Allopathic & Osteopathic Physicians / 207V00000X
Individual · classification · Medicare specialty 16
207V00000X Obstetrics & Gynecology Physician
207V00000X is the taxonomy code for Obstetrics & Gynecology, in the NUCC group “Allopathic & Osteopathic Physicians”. It is a code for individual providers — the kind used on a Type 1 NPI. Medicare maps it to specialty 16, Physician/Obstetrics & Gynecology, under which 42,323 practitioners are enrolled.
- 1Taxonomy code 207V00000X
- 2Level Classification
- 3Medicare specialty 16 Physician/Obstetrics & Gynecology
- 4Codes in this group 238
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
— NUCC Health Care Provider Taxonomy, version 26.1
Where 207V00000X sits
- Group: Allopathic & Osteopathic Physicians — code 88 of 238 in the group
- Classification: Obstetrics & Gynecology 207V00000X
This is the general code for Obstetrics & Gynecology. 10 more specific codes sit beneath it; pick one of those when the provider's training or certification matches it, and this one otherwise. A provider may report more than one taxonomy code on an NPI but marks one as primary.
Medicare
CMS's taxonomy crosswalk links 207V00000X to Medicare specialty 16 (Physician/Obstetrics & Gynecology). That specialty — not the taxonomy code itself — is what Medicare enrollment records and uses for payment. 42,323 practitioners are enrolled under it nationally, and 10 other taxonomy codes map to the same specialty.
Other codes under the same Medicare specialty: 207VB0002X Obesity Medicine (Obstetrics & Gynecology) Physician; 207VC0200X Critical Care Medicine (Obstetrics & Gynecology) Physician; 207VC0300X Complex Family Planning Physician; 207VE0102X Reproductive Endocrinology Physician; 207VF0040X Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician; 207VG0400X Gynecology Physician; 207VH0002X Hospice and Palliative Medicine (Obstetrics & Gynecology) Physician; 207VM0101X Maternal & Fetal Medicine Physician; and 2 more.
Related codes
| Code | Obstetrics & Gynecology — specializations |
|---|---|
| 207VC0300X | Complex Family Planning |
| 207VC0200X | Critical Care Medicine |
| 207VF0040X | Urogynecology and Reconstructive Pelvic Surgery |
| 207VX0201X | Gynecologic Oncology |
| 207VG0400X | Gynecology |
| 207VH0002X | Hospice and Palliative Medicine |
| 207VM0101X | Maternal & Fetal Medicine |
| 207VB0002X | Obesity Medicine |
| 207VX0000X | Obstetrics |
| 207VE0102X | Reproductive Endocrinology |
History of 207V00000X
NUCC's earliest recorded change to 207V00000X is from 2007 (definition added, source added), and has been revised 1 time since.
- 2007-07-01 — definition added, source added
- 2011-07-01 — modified source
Similar codes in other groups
If 207V00000X is not quite right, these codes in other groups share a word with it — often the same field practised by a different kind of provider:
- 363LX0001X Obstetrics & Gynecology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers)
Find providers with 207V00000X
Using 207V00000X
The code goes in the taxonomy field of the NPI application in NPPES, and on claims where a payer asks for it — box 24J (shaded) or 33b on the CMS-1500 with the ZZ qualifier, or the PRV segment of an 837 electronic claim. Payers match it against the taxonomy on the NPI record and, for Medicare, against the specialty on the enrollment, so all three should agree. To see which code a provider uses, search their NPI in the lookup.
Sources: NUCC Health Care Provider Taxonomy code set, version 26.1 (CSV); CMS Medicare Provider and Supplier Taxonomy Crosswalk, August 2026; CMS Medicare Fee-For-Service Public Provider Enrollment, extract of 2026-09-29. Checked 2026-10-24. Methodology.