Seema Nayak, M.D.
Obstetrics & Gynecology Physician · Ukiah, CA
Seema Nayak, M.D. is an obstetrics & gynecology physician with a practice address in Ukiah, California, and NPI 1215108642, issued on Mar 13, 2008. Check the license (California A123134, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Seema Nayak
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- A123134 CA
11013634A IN
Self-reported in NPPES; status is on the state search - Practice location
- 413 W Standley St, Ukiah, CA 95482
- Phone
- (707) 462-3300
- Enumerated
- Mar 13, 2008
- Record last updated
- Apr 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (707) 462-3303
- Medicare enrollment
- Enrolled (PECOS I20121126000180); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Seema Nayak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
20 Medicare Part D claims for 12 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Mendocino Community Health Clinic IncUkiah, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Seema Nayak among 5,088 obstetrics & gynecology physician records in California
Seema Nayak, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1999 · median 2004 among the 2,700 with a school on file
- Record last updated2019 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Ukiah → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Karen Crabtree, M.D.Ukiah, CA 954821629276472
- German Cuadra, D.O.Ukiah, CA 954821215450739
- Winston Eddy, M.D.Ukiah, CA 954821497739338
- John Sanchez, M.D.Ukiah, CA 954821972551844
- Dominic Amara, M.D.Sonoma, CA 954761518958313
- Cherrie Andersen, M.D.Eureka, CA 955031780672089
- William Koch, M.D.Eureka, CA 955031821063686
- Eric Lieberman, M.D.Eureka, CA 955031124094834
Common questions
What is Seema Nayak, M.D.'s NPI number?
Seema Nayak, M.D.'s National Provider Identifier (NPI) is 1215108642, issued on Mar 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Seema Nayak, M.D. located?
The NPPES record lists a practice address at 413 W Standley St, Ukiah, CA, 95482. Phone: (707) 462-3300. Providers update this record themselves, so call before visiting.
How can I verify Seema Nayak, M.D.'s license?
NPPES lists California license number A123134, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Seema Nayak, M.D. prescribe under Medicare Part D?
In 2024, Seema Nayak, M.D. had 20 Medicare Part D claims for 12 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.