Karin Alexandra Katz, M.D.
Endocrinology, Diabetes & Metabolism Physician · New York, NY
Karin Alexandra Katz, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in New York, New York, and NPI 1467712554, issued on May 22, 2012. Check the license (New York 273051, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Karin Alexandra Katz
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 273051 NY
Self-reported in NPPES; status is on the state search - Practice location
- 530 1St Ave Ste 5F, New York, NY 10016
- Phone
- (212) 481-1350
- Enumerated
- May 22, 2012
- Record last updated
- Apr 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (212) 481-1355
- Medicare enrollment
- Enrolled (PECOS I20180720000675); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Also registered at 530 1St Ave Ste 5F
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ira Goldberg, M.D.Endocrinology, Diabetes & Metabolism Physician1821145905
- Roshney Jacob, M.D.Endocrinology, Diabetes & Metabolism Physician1710151584
Verify Karin Alexandra Katz 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 273051Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
374 Medicare Part D claims for 101 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Levothyroxine Sodium50 claims
- Synthroid37 claims
- Metformin Hcl29 claims
- Metformin Hcl Er29 claims
- Hydrocortisone21 claims
- Methimazole18 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karin Alexandra Katz among 970 endocrinology, diabetes & metabolism physician records in New York
Karin Alexandra Katz, M.D. is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2008 · median 2004 among the 694 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in New York → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Recaredo Berbano, MDNew York, NY 100161942275748
- Veronica CataneseNew York, NY 100161750491759
- Loren Greene, M.D.New York, NY 100161881607810
- Gillian Katz, MDNew York, NY 100161386643625
- Sanjiv Kinkhabwala, MDNew York, NY 100161154320067
- Valerie Peck, MDNew York, NY 100161730103011
- Julie Probst-Riordan, M.D.New York, NY 100161548278609
- Stephen Richardson, MDNew York, NY 100161144328261
Common questions
What is Karin Alexandra Katz, M.D.'s NPI number?
Karin Alexandra Katz, M.D.'s National Provider Identifier (NPI) is 1467712554, issued on May 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Karin Alexandra Katz, M.D. located?
The NPPES record lists a practice address at 530 1St Ave Ste 5F, New York, NY, 10016. Phone: (212) 481-1350. Providers update this record themselves, so call before visiting.
How can I verify Karin Alexandra Katz, M.D.'s license?
NPPES lists New York license number 273051, 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 Karin Alexandra Katz, M.D. prescribe under Medicare Part D?
In 2024, Karin Alexandra Katz, M.D. had 374 Medicare Part D claims for 101 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Karin Alexandra Katz, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. 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.