NPPES file of Aug 9, 2026

Carey Michele York Best, MD

Obstetrics & Gynecology Physician · Waltham, MA

Carey Michele York Best, MD is an obstetrics & gynecology physician with a practice address in Waltham, Massachusetts, and NPI 1194707836, issued on Nov 17, 2005. Check the license (Massachusetts 76970, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1194707836
Name
Carey Michele York Best
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
76970 MA
Self-reported in NPPES; status is on the state search
Practice location
40 2ND Ave, Waltham, MA 02451
Phone
(781) 697-2000
Enumerated
Nov 17, 2005
Record last updated
Dec 9, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(781) 697-2010
Medicaid ID
3109372 MA
Medicare enrollment
Enrolled (PECOS I20040624000369); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1989
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.
Download card Updates feed

Also registered at 40 2ND Ave

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

  1. Abdul Asmal, MD PHDEndocrinology, Diabetes & Metabolism Physician1144210832
  2. Linda Bresette, NPAdult Health Nurse Practitioner1396027330
  3. Stuart Brink, MDPediatric Endocrinology Physician1588677090
  4. Elizabeth Cole, PT CLT-LANAPhysical Therapist1922143205
  5. Molly Deisroth-Kim, MSClinical Exercise Physiologist1427323625
  6. Thomas Fry, MDInternal Medicine Physician1588763908

Verify Carey Michele York Best in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 76970
    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 Massachusetts 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

8% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

178 Medicare Part D claims for 49 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Carey York Best178
  2. Specialty average165

Most prescribed

  1. Estradiol29 claims
  2. Yuvafem21 claims
  3. Fluconazole16 claims
  4. Estradiol (Twice Weekly)11 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.

Bills Medicare through 2 group practices

  1. Massachusetts General Physicians Organization IncBoston, MA
  2. The General Hospital CorporationBoston, MA

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

Carey Michele York Best among 1,127 obstetrics & gynecology physician records in Massachusetts

Carey Michele York Best, MD 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1989 · median 2004 among the 715 with a school on file
  • Record last updated2010 · 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.

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

  1. Maureen French, MDWaltham, MA 024511265821045
  2. Paul Goldstein, M.D.Waltham, MA 024511942325758
  3. Hee Man Chie, M.D.Waltham, MA 024521871712190
  4. Alan Pinshaw, M.D.Waltham, MA 024521588721245
  5. Sophia Yang, MDWaltham, MA 024521932604717
  6. Sudha Mehta, M.D.Waltham, MA 024531457467383
  7. Warren Becker, MDBrookline, MA 024461497859524
  8. Nicole Boudreau, MDBrookline, MA 024461275568305

Common questions

What is Carey Michele York Best, MD's NPI number?

Carey Michele York Best, MD's National Provider Identifier (NPI) is 1194707836, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Carey Michele York Best, MD located?

The NPPES record lists a practice address at 40 2ND Ave, Waltham, MA, 02451. Phone: (781) 697-2000. Providers update this record themselves, so call before visiting.

How can I verify Carey Michele York Best, MD's license?

NPPES lists Massachusetts license number 76970, 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 Carey Michele York Best, MD prescribe under Medicare Part D?

In 2024, Carey Michele York Best, MD had 178 Medicare Part D claims for 49 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.