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.
- 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
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 40 2ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carey Michele York Best in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 76970Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Estradiol29 claims
- Yuvafem21 claims
- Fluconazole16 claims
- 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
- Massachusetts General Physicians Organization IncBoston, MA
- 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.
All 1,127 in Massachusetts → Every provider in Waltham → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Maureen French, MDWaltham, MA 024511265821045
- Paul Goldstein, M.D.Waltham, MA 024511942325758
- Hee Man Chie, M.D.Waltham, MA 024521871712190
- Alan Pinshaw, M.D.Waltham, MA 024521588721245
- Sophia Yang, MDWaltham, MA 024521932604717
- Sudha Mehta, M.D.Waltham, MA 024531457467383
- Warren Becker, MDBrookline, MA 024461497859524
- 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.