Katherine Johnson
Obstetrics & Gynecology Physician · Newton, MA
Katherine Johnson is an obstetrics & gynecology physician with a practice address in Newton, Massachusetts, and NPI 1831621531, issued on Mar 31, 2017. Check the license (Massachusetts 288171, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katherine Johnson
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 288171 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2000 Washington St Ste 764, Newton, MA 02462
- Phone
- (617) 965-7800
- Enumerated
- Mar 31, 2017
- Record last updated
- Sep 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 2000 Washington St Ste 764
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abigail Bliss, WHNP-BCWomen's Health Nurse Practitioner1013707843
Verify Katherine Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 288171Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
52 Medicare Part D claims for 29 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.
Katherine Johnson among 1,127 obstetrics & gynecology physician records in Massachusetts
Katherine Johnson is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 85% of them.
- NPI issued2017 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2021 · 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 Massachusetts 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 Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Newton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Heidi Angle, M.D.Newton, MA 024621164479952
- Cara Attanucci, M.D.Newton, MA 024621326095142
- Thomas BeattyNewton, MA 024621689658379
- Kathryn Davis, M.D.Newton, MA 024621144304593
- Karie Devries, MDNewton, MA 024621528043999
- Marna Dolinger, MDNewton, MA 024621710967518
- Ann Dolloff, M.D.Newton, MA 024621164480117
- Shay Erisson, M.DNewton, MA 024621700141793
Common questions
What is Katherine Johnson's NPI number?
Katherine Johnson's National Provider Identifier (NPI) is 1831621531, issued on Mar 31, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Johnson located?
The NPPES record lists a practice address at 2000 Washington St Ste 764, Newton, MA, 02462. Phone: (617) 965-7800. Providers update this record themselves, so call before visiting.
How can I verify Katherine Johnson's license?
NPPES lists Massachusetts license number 288171, 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.
How much does Katherine Johnson prescribe under Medicare Part D?
In 2024, Katherine Johnson had 52 Medicare Part D claims for 29 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.