NPPES file of Aug 9, 2026

Abigail Anne Armstrong, M.D.

Obstetrics & Gynecology Physician · Santa Monica, CA

Abigail Anne Armstrong, M.D. is an obstetrics & gynecology physician with a practice address in Santa Monica, California, and NPI 1316309172, issued on Mar 22, 2016. Check the license (California A152126, 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
1316309172
Name
Abigail Anne Armstrong
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
A152126 CA
MD216591 OR
MD61468328 WA
Self-reported in NPPES; status is on the state search
Practice location
500 Broadway Ste 7, Santa Monica, CA 90401
Phone
(323) 410-1291
Enumerated
Mar 22, 2016
Record last updated
May 14, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 500 Broadway Ste 7

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kristin Bendikson, M.D.Reproductive Endocrinology Physician1609081140
  2. Lisa Greenacre, WHNPWomen's Health Nurse Practitioner1376781013
  3. Anupama Kathiresan, M.D.Reproductive Endocrinology Physician1194927285

Verify Abigail Anne Armstrong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A152126
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $236.64

9 payments; by number, the most common kind was food and beverage; the largest payer was Organon 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. Abigail Armstrong$236.64
  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.

Abigail Anne Armstrong among 5,088 obstetrics & gynecology physician records in California

Abigail Anne Armstrong, 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 2016, is newer than 85% of them.

  • NPI issued2016 · 85% of these records are older, 13% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2024 · 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. Banafsheh Bayati, M.D.Santa Monica, CA 904011477669745
  2. Allyson Gonzalez, M.D.Santa Monica, CA 904011720131501
  3. Lisa Masterson, MDSanta Monica, CA 904011497843692
  4. Glenn Miller, M.D.Santa Monica, CA 904011902108764
  5. Karen Blanchard, M.D.Santa Monica, CA 904031700925401
  6. Marki Knox, M.D.Santa Monica, CA 904031518006188
  7. Allison Leong, M.D.Santa Monica, CA 904031952440562
  8. Adel Samaan, MDSanta Monica, CA 904031386664233

Common questions

What is Abigail Anne Armstrong, M.D.'s NPI number?

Abigail Anne Armstrong, M.D.'s National Provider Identifier (NPI) is 1316309172, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Abigail Anne Armstrong, M.D. located?

The NPPES record lists a practice address at 500 Broadway Ste 7, Santa Monica, CA, 90401. Phone: (323) 410-1291. Providers update this record themselves, so call before visiting.

How can I verify Abigail Anne Armstrong, M.D.'s license?

NPPES lists California license number A152126, 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.

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.