Daniel P. Klein, M.D.
Internal Medicine Physician · New York, NY
Daniel P. Klein, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1306924519, issued on Nov 2, 2006. Check the license (New York 172225, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Daniel P. Klein
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 172225 NY
Self-reported in NPPES; status is on the state search - Practice location
- 229 E 79TH St, New York, NY 10021
- Phone
- (212) 737-2000
- Enumerated
- Nov 2, 2006
- Record last updated
- Jul 1, 2026
- Fax
- (212) 737-2936
- Medicaid ID
- 01112789 NY
- Medicare enrollment
- Enrolled (PECOS I20090512000396); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 229 E 79TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel P. Klein 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 172225Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average internal medicine physician in 2024
5,311 Medicare Part D claims for 404 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 67 claims were for opioids.
Most prescribed
- Atorvastatin Calcium298 claims
- Amlodipine Besylate286 claims
- Rosuvastatin Calcium181 claims
- Gabapentin173 claims
- Lisinopril162 claims
- Metoprolol Succinate148 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 MIPS final score for 2023 (Medicare payment program): 91.3 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).
Industry payments in 2024: $197.24
5 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.
Daniel P. Klein among 12,067 internal medicine physician records in New York
Daniel P. Klein, 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 fileYes · 60% of these records are
- Graduated1981 · median 2002 among the 7,221 with a school on file
- Record last updated2026 · 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 →
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Common questions
What is Daniel P. Klein, M.D.'s NPI number?
Daniel P. Klein, M.D.'s National Provider Identifier (NPI) is 1306924519, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel P. Klein, M.D. located?
The NPPES record lists a practice address at 229 E 79TH St, New York, NY, 10021. Phone: (212) 737-2000. Providers update this record themselves, so call before visiting.
How can I verify Daniel P. Klein, M.D.'s license?
NPPES lists New York license number 172225, 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 Daniel P. Klein, M.D. prescribe under Medicare Part D?
In 2024, Daniel P. Klein, M.D. had 5,311 Medicare Part D claims for 404 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Daniel P. Klein, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.3 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.