Kristen M. Williams, M.D.
Pediatric Endocrinology Physician · New York, NY
Kristen M. Williams, M.D. is a pediatric endocrinology physician with a practice address in New York, New York, and NPI 1194959551, issued on May 13, 2009. Check the license (New York 261877, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Kristen M. Williams
- Credential
- M.D.
- Primary taxonomy
- Pediatric Endocrinology Physician 2080P0205X
- License number
- 261877 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1150 Saint Nicholas Ave, New York, NY 10032
- Phone
- (212) 851-5494
- Enumerated
- May 13, 2009
- Record last updated
- Jul 4, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (212) 851-5493
- Medicare enrollment
- Enrolled (PECOS I20160916001714); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest pediatric endocrinology physician records → All 177 in New York → Look up another NPI →
Also registered at 1150 Saint Nicholas Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Magdalena Bogun, MDEndocrinology, Diabetes & Metabolism Physician1356615520
- Matthew Freeby, M.D.Endocrinology, Diabetes & Metabolism Physician1013189646
- Mary GallagherPediatric Endocrinology Physician1194792291
- Rachelle Gandica, M.D.Pediatric Endocrinology Physician1285836379
- Patricia Garnica, NPAdult Health Nurse Practitioner1629383203
- Robin Goland, M.D.Endocrinology, Diabetes & Metabolism Physician1174549760
Verify Kristen M. 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 261877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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).
Kristen M. Williams among 177 pediatric endocrinology physician records in New York
Kristen M. Williams, M.D. is one of 177 pediatric endocrinology physician records with a practice address in New York. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 31% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 22% of these records are
- Graduated2009 · median 2003 among the 39 with a school on file
- Record last updated2016 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Endocrinology Physician providers in New York
There are 177 pediatric endocrinology physician records in New York.
All 177 in New York → Every provider in New York → Pediatric Endocrinology Physician nationwide →
The 8 pediatric endocrinology physician records with the nearest ZIP codes
- Gaya Aranoff, MDNew York, NY 100321194708255
- Ilene Fennoy, MDNew York, NY 100321770575862
- Ann Marie Francisco, M.D.New York, NY 100321598715773
- Mary GallagherNew York, NY 100321194792291
- Rachelle Gandica, M.D.New York, NY 100321285836379
- Jee-Young Ham, M.D.New York, NY 100321023033222
- Abeer Hassoun, MDNew York, NY 100321538142500
- Mary HorlickNew York, NY 100321265416143
Common questions
What is Kristen M. Williams, M.D.'s NPI number?
Kristen M. Williams, M.D.'s National Provider Identifier (NPI) is 1194959551, issued on May 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Kristen M. Williams, M.D. located?
The NPPES record lists a practice address at 1150 Saint Nicholas Ave, New York, NY, 10032. Phone: (212) 851-5494. Providers update this record themselves, so call before visiting.
How can I verify Kristen M. Williams, M.D.'s license?
NPPES lists New York license number 261877, 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.
What is Kristen M. 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.