Karan Singh, MD
Internal Medicine Physician · New York, NY
Karan Singh, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1588282362, issued on Jul 8, 2020. Check the license (New York 324018, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Karan Singh
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 324018 NY
2025-03781 NC
Self-reported in NPPES; status is on the state search - Practice location
- 22 W 15TH St, New York, NY 10011
- Phone
- (646) 975-3700
- Enumerated
- Jul 8, 2020
- Record last updated
- Apr 12, 2026
- Medicare enrollment
- Enrolled (PECOS I20230911002650); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 22 W 15TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Pegah Shahbazi, NPFamily Nurse Practitioner1972289577
Verify Karan Singh 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 324018Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
902 Medicare Part D claims for 171 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Rosuvastatin Calcium74 claims
- Losartan Potassium52 claims
- Atorvastatin Calcium47 claims
- Albuterol Sulfate Hfa35 claims
- Amlodipine Besylate35 claims
- Levothyroxine Sodium35 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.
Bills Medicare through one group practice
- North Shore-Lij Medical PCNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karan Singh among 12,067 internal medicine physician records in New York
Karan Singh, MD 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 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · 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 →
The 8 internal medicine physician records with the nearest ZIP codes
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- Dennis Karter, MDNew York, NY 100111639142714
- Fredric Kellogg, MDNew York, NY 100111053341735
- William Mandell, MDNew York, NY 100111770555088
- Gal Mayer, MDNew York, NY 100111518942069
- Nancy Mellow, MDNew York, NY 100111538151576
Common questions
What is Karan Singh, MD's NPI number?
Karan Singh, MD's National Provider Identifier (NPI) is 1588282362, issued on Jul 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Karan Singh, MD located?
The NPPES record lists a practice address at 22 W 15TH St, New York, NY, 10011. Phone: (646) 975-3700. Providers update this record themselves, so call before visiting.
How can I verify Karan Singh, MD's license?
NPPES lists New York license number 324018, 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 Karan Singh, MD prescribe under Medicare Part D?
In 2024, Karan Singh, MD had 902 Medicare Part D claims for 171 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.