NPPES file of Aug 9, 2026

Nilima H. Mamtora, MD

Obstetrics & Gynecology Physician · Anaheim, CA

Nilima H. Mamtora, MD is an obstetrics & gynecology physician with a practice address in Anaheim, California, and NPI 1629019286, issued on Jun 8, 2006. Check the license (California 00A505820, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629019286
Name
Nilima H. Mamtora
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
00A505820 CA
Self-reported in NPPES; status is on the state search
Practice location
531 S Harbor Blvd, Anaheim, CA 92805
Phone
(714) 956-3535
Enumerated
Jun 8, 2006
Record last updated
Apr 28, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120222000240); may accept Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Nilima H. Mamtora in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 00A505820
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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2.8 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

461 Medicare Part D claims for 95 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Nilima Mamtora461
  2. Specialty average165

Most prescribed

  1. Estradiol54 claims
  2. Premarin43 claims
  3. Medroxyprogesterone Acetate42 claims
  4. Clindamycin Phosphate40 claims
  5. Imipramine Hcl26 claims
  6. Fluconazole20 claims

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.

Industry payments in 2024: $84.59

5 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nilima Mamtora$84.59
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Obhg California PCRiverside, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nilima H. Mamtora among 5,088 obstetrics & gynecology physician records in California

Nilima H. Mamtora, MD 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1982 · median 2004 among the 2,700 with a school on file
  • Record last updated2011 · 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.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. George Ahad, MDAnaheim, CA 928051932421559
  2. Amin Fawwaz, MDAnaheim, CA 928041134271380
  3. Yung Tae Kim, MDAnaheim, CA 928041477695393
  4. Sang Kim, MDAnaheim, CA 928041205885217
  5. Amanda Michael, M.D.Anaheim, CA 928061437470788
  6. Doosa Sobouti-Yanes, MDAnaheim, CA 928061295922987
  7. Jay Yoo, M.D.Anaheim, CA 928041275623340
  8. Bel Barker, MDAnaheim, CA 928071376614354

Common questions

What is Nilima H. Mamtora, MD's NPI number?

Nilima H. Mamtora, MD's National Provider Identifier (NPI) is 1629019286, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nilima H. Mamtora, MD located?

The NPPES record lists a practice address at 531 S Harbor Blvd, Anaheim, CA, 92805. Phone: (714) 956-3535. Providers update this record themselves, so call before visiting.

How can I verify Nilima H. Mamtora, MD's license?

NPPES lists California license number 00A505820, 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 Nilima H. Mamtora, MD prescribe under Medicare Part D?

In 2024, Nilima H. Mamtora, MD had 461 Medicare Part D claims for 95 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.