Kenneth A. Mercer, MD MPH
Geriatric Medicine (Internal Medicine) Physician · New York, NY
Kenneth A. Mercer, MD MPH is a geriatric medicine (internal medicine) physician with a practice address in New York, New York, and NPI 1538160395, issued on Aug 2, 2005. Check the license (New York 210817, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Kenneth A. Mercer
- Credential
- MD MPH
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 210817 NY
Self-reported in NPPES; status is on the state search - Practice location
- 422 2ND Ave, New York, NY 10010
- Phone
- (212) 684-6684
- Enumerated
- Aug 2, 2005
- Record last updated
- Jun 30, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 01893012 NY
- Medicare enrollment
- Enrolled (PECOS I20040831001584); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 508 in New York → Look up another NPI →
Verify Kenneth A. Mercer 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 210817Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
2,481 Medicare Part D claims for 46 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 428 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen162 claims
- Amlodipine Besylate109 claims
- Endocet97 claims
- Atorvastatin Calcium84 claims
- Gabapentin84 claims
- Metoprolol Succinate82 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: $63.58
2 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 1,004 providers of this specialty with any payment received $1,720.82 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.
Kenneth A. Mercer among 508 geriatric medicine (internal medicine) physician records in New York
Kenneth A. Mercer, MD MPH is one of 508 geriatric medicine (internal medicine) physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1994 · median 1998 among the 272 with a school on file
- Record last updated2016 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in New York
There are 508 geriatric medicine (internal medicine) physician records in New York.
All 508 in New York → Every provider in New York → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Jeffrey Levine, MDNew York, NY 100101669529186
- Sathya Maheswaran, MDNew York, NY 100101366489494
- Marie Sedlackova, M.D.New York, NY 100101578589164
- Smitha Shetty-Saigal, MDNew York, NY 100101316990617
- Joyce Fogel, MDNew York, NY 100111730280348
- Joseph Kessler, M.D.New York, NY 100111326146929
- Wendi Lovenvirth, DONew York, NY 100111346310489
- Monte Peterson, MDNew York, NY 100111346375284
Common questions
What is Kenneth A. Mercer, MD MPH's NPI number?
Kenneth A. Mercer, MD MPH's National Provider Identifier (NPI) is 1538160395, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth A. Mercer, MD MPH located?
The NPPES record lists a practice address at 422 2ND Ave, New York, NY, 10010. Phone: (212) 684-6684. Providers update this record themselves, so call before visiting.
How can I verify Kenneth A. Mercer, MD MPH's license?
NPPES lists New York license number 210817, 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 Kenneth A. Mercer, MD MPH prescribe under Medicare Part D?
In 2024, Kenneth A. Mercer, MD MPH had 2,481 Medicare Part D claims for 46 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.