Carla J. Williams, M.D.
Specialist · Greenwich, CT
Carla J. Williams, M.D. is a specialist with a practice address in Greenwich, Connecticut, and NPI 1073589396, issued on Feb 27, 2006. Check the license (Connecticut 031982, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carla J. Williams
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License numbers
- 031982 CT
203942-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 159 W Putnam Ave, Greenwich, CT 06830
- Phone
- (203) 869-7080
- Enumerated
- Feb 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 869-7034
- Entity
- Type 1 · individual
8 nearest specialist records → All 397 in Connecticut → Look up another NPI →
Also registered at 159 W Putnam Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheridan Culvahouse, M.D.Specialist1336114222
- Michele Rohr, M.D.Specialist1932113073
Verify Carla J. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 031982Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average specialist in 2024
287 Medicare Part D claims for 85 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Estradiol70 claims
- Progesterone35 claims
- Yuvafem32 claims
- Estradiol (Twice Weekly)25 claims
- Valacyclovir21 claims
- Clobetasol Propionate12 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.
Carla J. Williams among 397 specialist records in Connecticut
Carla J. Williams, M.D. is one of 397 specialist records with a practice address in Connecticut. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 55% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileNo · 15% of these records are
- Record last updated2007 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 specialist records list a practice address in Greenwich
They are 19 of the 1,184 NPPES records with a practice address in Greenwich, and 397 specialist records in Connecticut.
All 397 in Connecticut → Every provider in Greenwich → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Micheal Acocella, B.S., P.T.Greenwich, CT 068301992768303
- Joel Blumberg, M.D.Greenwich, CT 068301699718114
- James Borges, MDGreenwich, CT 068301073506705
- Sheridan Culvahouse, M.D.Greenwich, CT 068301336114222
- Richard Danehower, MDGreenwich, CT 068301750496683
- Leslie Donovan, M.D.Greenwich, CT 068301134194046
- Gaetane Francis, M.D.Greenwich, CT 068301750356648
- Judith Goldberg-Berman, M.D., PH.DGreenwich, CT 068301912986571
Common questions
What is Carla J. Williams, M.D.'s NPI number?
Carla J. Williams, M.D.'s National Provider Identifier (NPI) is 1073589396, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carla J. Williams, M.D. located?
The NPPES record lists a practice address at 159 W Putnam Ave, Greenwich, CT, 06830. Phone: (203) 869-7080. Providers update this record themselves, so call before visiting.
How can I verify Carla J. Williams, M.D.'s license?
NPPES lists Connecticut license number 031982, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Carla J. Williams, M.D. prescribe under Medicare Part D?
In 2024, Carla J. Williams, M.D. had 287 Medicare Part D claims for 85 beneficiaries; the average among specialist prescribers was 1,380. 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.