Katherine L. Armstrong, MD
Obstetrics & Gynecology Physician · Boston, MA
Katherine L. Armstrong, MD is an obstetrics & gynecology physician with a practice address in Boston, Massachusetts, and NPI 1104188853, issued on Jun 8, 2012. Check the license (Massachusetts 252754, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine L. Armstrong
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 252754 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Avenue, Boston, MA 02215
- Phone
- (617) 667-3736
- Enumerated
- Jun 8, 2012
- Record last updated
- Jun 8, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (617) 667-7493
- Entity
- Type 1 · individual
Also registered at 330 Brookline Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine L. Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 252754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other obstetrics & gynecology physician records in Massachusetts
- Mary Kathryn Abel, ABBoston, MA1699415778
- Marie Elise Abi Antoun, MDBoston, MA1356042626
- Ashley Ackerman, MDBrookline, MA1205930625
- Christina Acocella, M.D.Framingham, MA1487090023
- Kirsten AdamsBoston, MA1477203446
- Tejumola Adegoke, MDBoston, MA1356768600
- David Adelstein, D.O.Wareham, MA1619994290
- William Agel, MDHyannis, MA1871560375
- Agnes Ahn, DONorwood, MA1508848722
- Tracey Akanbi, M.D.Boston, MA1649686874
Common questions
What is Katherine L. Armstrong, MD's NPI number?
Katherine L. Armstrong, MD's National Provider Identifier (NPI) is 1104188853, issued on Jun 8, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Katherine L. Armstrong, MD located?
The NPPES record lists a practice address at 330 Brookline Avenue, Boston, MA, 02215. Phone: (617) 667-3736. Providers update this record themselves, so call before visiting.
How can I verify Katherine L. Armstrong, MD's license?
NPPES lists Massachusetts license number 252754, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. 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. 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.