Keith Berkowitz, M.D.
Internal Medicine Physician · New York, NY
Keith Berkowitz, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1174532113, issued on Aug 7, 2006. Check the license (New York 204549, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Keith Berkowitz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 204549 NY
Self-reported in NPPES; status is on the state search - Practice location
- 7 W 51St St, New York, NY 10019
- Phone
- (212) 459-1700
- Enumerated
- Aug 7, 2006
- Record last updated
- Mar 7, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (212) 459-1727
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 7 W 51St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Keith Berkowitz 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 204549Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average internal medicine physician in 2024
796 Medicare Part D claims for 105 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Levothyroxine Sodium69 claims
- Armour Thyroid42 claims
- Liothyronine Sodium37 claims
- Azelastine Hcl35 claims
- Metformin Hcl30 claims
- Losartan Potassium28 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.
Industry payments in 2024: $498.37
24 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Keith Berkowitz among 12,067 internal medicine physician records in New York
Keith Berkowitz, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2017 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sandeep Bhat, M.D.New York, NY 100191548247638
- Mark Gorny, M.D.New York, NY 100191306839394
- David Kamlet, M.D.New York, NY 100191205839917
- Yelena Karasina, MDNew York, NY 100191326022666
- Steven Katz, MDNew York, NY 100191801871066
- John Lupiano, MDNew York, NY 100191881634954
- Martin Malachovsky, M.D, M.P.HNew York, NY 100191568402261
- Susan Minkowitz, M.D.New York, NY 100191487651238
Common questions
What is Keith Berkowitz, M.D.'s NPI number?
Keith Berkowitz, M.D.'s National Provider Identifier (NPI) is 1174532113, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith Berkowitz, M.D. located?
The NPPES record lists a practice address at 7 W 51St St, New York, NY, 10019. Phone: (212) 459-1700. Providers update this record themselves, so call before visiting.
How can I verify Keith Berkowitz, M.D.'s license?
NPPES lists New York license number 204549, 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 Keith Berkowitz, M.D. prescribe under Medicare Part D?
In 2024, Keith Berkowitz, M.D. had 796 Medicare Part D claims for 105 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.