Gail S. Williams, M.D.
Nephrology Physician · New York, NY
Gail S. Williams, M.D. is a nephrology physician with a practice address in New York, New York, and NPI 1215964648, issued on Jun 28, 2006. Check the license (New York 104534, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gail S. Williams
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 104534 NY
Self-reported in NPPES; status is on the state search - Practice location
- 180 Fort Washington Ave, New York, NY 10032
- Phone
- (212) 305-5376
- Enumerated
- Jun 28, 2006
- Record last updated
- Apr 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (212) 305-5155
- Medicaid ID
- 01001156 NY
- Medicare enrollment
- Enrolled (PECOS I20110303000515); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1968
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,049 in New York → Look up another NPI →
Also registered at 180 Fort Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hana Azizi, M.D.Physical Medicine & Rehabilitation Physician1124394101
- Jennifer Bain, M.D., PH.D.Neurology with Special Qualifications in Child Neurology Physician1942599154
Verify Gail S. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 104534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average nephrology physician in 2024
44 Medicare Part D claims for 15 beneficiaries, against an average of 1,465 among the 10,986 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Trustees OF Columbia University IN The City OF New YorkNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gail S. Williams among 1,049 nephrology physician records in New York
Gail S. Williams, M.D. is one of 1,049 nephrology physician records with a practice address in New York. 85% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1968 · median 1999 among the 764 with a school on file
- Record last updated2016 · 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 207RN0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in New York
There are 1,049 nephrology physician records in New York.
All 1,049 in New York → Every provider in New York → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Gerald Appel, M.D.New York, NY 100321306918651
- Jonathan Barasch, M.D.New York, NY 100321407903271
- David Cohen, M.D.New York, NY 100321881768158
- Russell Crew, MDNew York, NY 100321760564710
- Geoffrey Dube, M.D.New York, NY 100321750334926
- Ali Gharavi, M.D.New York, NY 100321144396268
- Donald Landry, M.D.New York, NY 100321033286273
- Sumit Mohan, MDNew York, NY 100321275682213
Common questions
What is Gail S. Williams, M.D.'s NPI number?
Gail S. Williams, M.D.'s National Provider Identifier (NPI) is 1215964648, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gail S. Williams, M.D. located?
The NPPES record lists a practice address at 180 Fort Washington Ave, New York, NY, 10032. Phone: (212) 305-5376. Providers update this record themselves, so call before visiting.
How can I verify Gail S. Williams, M.D.'s license?
NPPES lists New York license number 104534, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gail S. Williams, M.D. prescribe under Medicare Part D?
In 2024, Gail S. Williams, M.D. had 44 Medicare Part D claims for 15 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Gail S. Williams, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.