Journal profile · Surgery
Obesity Surgery
ISSN 0960-8923 · eISSN 1708-0428 · Springer US · CANADA · Monthly · Founded 1991
Obesity Surgery: CAS Zone 3 · Medicine (2025 upgraded edition); impact factor 3.35; hybrid open access; APC about USD 4,590; median 108 days to acceptance (127 articles, last 24 months); community-reported acceptance: fairly hard; 800 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Obesity Surgery is published by Springer US and is in Zone 3 of Medicine in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Bariatric Surgery and Outcomes, Body Contouring and Surgery and Obesity and Health Practices, together about 52.3% of its articles. Its main subfields are Surgery. (generated from OpenAlex topic counts and CAS ranking data)
Obesity Surgery is the official journal of the International Federation for the Surgery of Obesity & Metabolic Disorders (IFSO) and an official journal of British Obesity & Metabolic Surgery Society (BOMSS). The journal represents one of the premier forums for the dissemination of research and clinical knowledge within the international community of bariatric/metabolic treatment providers of all disciplines. Obesity Surgery communicates the latest research, surgical and endoscopic techniques, and most recent advances in the integrated health care for the treatment of obesity and metabolic disorders. The journal publishes highly selective invited and unsolicited peer-reviewed articles involving all aspects of the management and care of patients suffering from obesity. Though there is an emphasis on bariatric/metabolic surgery, the journal is comprehensive in covering the medical management of obesity, general surgery, endoscopy, nutritional science, behavioral science, anesthesia, plastic surgery after weight loss, exercise physiology, endocrinology, diabetology, treatment for eating disorders, and medicolegal issues. Obesity Surgery features thought leaders from around the world in each of the key disciplines involved in the treatment of obesity, who conduct completely blind reviews of submissions. Article types include: research articles, review articles, brief reports, editorials, and video or multimedia reports.
From the journal's Aims & Scope
Research area (LetPub): Surgery
Editor-in-chief Scott ShikoraPublisher website
Editorial board by country: none in mainland China; most named United States 36, Brazil 11, United Kingdom 10, Italy 8, Australia 6 (131 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Bariatric Surgery and OutcomesMedicine37%
- Body Contouring and SurgeryMedicine9.9%
- Obesity and Health PracticesHealth Professions5.4%
- Esophageal and GI PathologyMedicine4.6%
- Enhanced Recovery After SurgeryMedicine4.2%
- Minimally Invasive Surgical TechniquesMedicine4.1%
- Cardiovascular Function and Risk FactorsMedicine3.8%
- Diet and metabolism studiesMedicine3.7%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 3 |
| Minor | Surgery | Zone 3 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 3 |
| Minor | Surgery | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Medicine Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 3 |
| Minor | Surgery | Zone 3 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
MEDLINEEmbaseCurrent ContentsPublisher website
Other: Google Scholar, EBSCO, ProQuest, Dimensions, CNKI, Baidu, Naver, OCLC, Portico, CLOCKSS, Semantic Scholar
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 3.35LetPub ·
- Impact factor (publisher) 2025
- 3.4Publisher website ·
- 5-year impact factor (publisher) 2025
- 3.2Publisher website ·
- CiteScore 2026-06
- 5.3LetPub ·
- SJR 2026-06
- 1.06LetPub ·
- SNIP 2026-06
- 1.14LetPub ·
- h-index
- 128LetPub ·
- h-index
- 196OpenAlex ·
- i10-index
- 6,472OpenAlex ·
- 2-year mean citedness
- 2.86OpenAlex ·
- Self-citation rate
- 26.5%LetPub ·
- Share of gold OA articles
- 30.56%LetPub ·
Volume
- Articles per year
- 553LetPub ·
- Downloads per year (publisher) 2025
- 2,100,000Publisher website ·
Articles by year OpenAlex count · 12,277 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 509 | 232 | 135 |
| 2025 | 800 | 337 | 1,758 |
| 2024 | 624 | 221 | 3,639 |
| 2023 | 570 | 193 | 5,070 |
| 2022 | 610 | 229 | 7,231 |
| 2021 | 676 | 210 | 9,983 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Review time from article dates manuscript dates registered with Crossref · to
108 daysMedian, submission to acceptance · P25–P75 70 days – 160 days
- Acceptance to online
- median 10 days (127 articles)
- Submission to online
- median 117 days
- Sample
- 127 articles with submission and acceptance dates (1,426 in the window); the latest was accepted on
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Other sources
- Average review time (community reports)
- 3–6 weeksLetPub ·
- Average acceptance (community reports)
- Fairly hardLetPub ·
- Submission to first decision
- 14 daysPublisher website ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Hybrid open accessLetPub
A subscription journal in which authors can pay to publish their article open access.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 4,590 / EUR 3,590 / GBP 2,890 | — | — |
A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Open calls for papers1, by deadline
- Cardiometabolic SurgeryDeadline
What to prepare1 items from the author guidelines
- Graphical abstract
- Required
Policy excerpts from the journal's websiteOpen access
- Open access Open access publishing
To find out more about publishing your work Open Access in Obesity Surgery, including information on fees, funding and licences, visit our Open access publishing page.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Springer US
- Country or region
- CANADA
- Language
- English
- Frequency
- Monthly
- Founded
- 1991
- ISSN
- 0960-8923
- Electronic ISSN
- 1708-0428
- Society / sponsor
- International Federation for the Surgery of Obesity and Metabolic Disorders
- Latest issue on the website
- Volume 36, Issue 9 (September 2026)
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Special issues ↗Publisher website
FAQ
Frequently asked questions about Obesity Surgery
What CAS zone is Obesity Surgery in?
In the 2025 upgraded edition of the CAS Journal Ranking, Obesity Surgery is in Zone 3 of Medicine, and in Zone 3 of the minor category Surgery. In the 2026 Xinrui edition it is in Zone 3 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Obesity Surgery?
The latest impact factor listed by LetPub is 3.35; CiteScore 5.3, h-index 196.
How long does peer review take at Obesity Surgery?
Based on the dates recorded on 127 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 108 days (interquartile range 70–160 days); authors report an average review time of 3–6 weeks; the community-reported acceptance is “Fairly hard”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Where are the editorial board members of Obesity Surgery based?
Of the 131 board members whose country the journal's board page names, none are in mainland China; the countries named most often are United States (36), Brazil (11) and United Kingdom (10). Counted from the institutions listed on the board page; for reference only.
Which databases index Obesity Surgery?
According to LetPub and DOAJ records, Obesity Surgery is indexed in SCIE and Scopus. The journal's website also lists MEDLINE, Embase and Current Contents; that list has not been checked against each database.
Is Obesity Surgery open access, and what is the APC?
Obesity Surgery is a hybrid journal. For open-access publication: APC about USD 4,590.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .