Tamara M. Caithamer, M.D.
Internal Medicine Physician · New York, NY
Tamara M. Caithamer, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1063586089, issued on Nov 20, 2006. Check the license (New York 215661, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Tamara M. Caithamer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 215661 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1901 1St Ave, New York, NY 10029
- Phone
- (212) 423-7596
- Enumerated
- Nov 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 423-8912
- Medicare enrollment
- Enrolled (PECOS I20110207000960); 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 1901 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Aameish, MDStudent in an Organized Health Care Education/Training Program1508471889
- Edward Abayev, PHARMDPharmacist1962654434
- Bechoy Abdelmalak, M.DPsychiatry Physician1134526981
- Muhammad Abdul RehmanInternal Medicine Physician1881374528
- Jineth Abella, PA-CPhysician Assistant1760851141
- Ashraf Abuzahrieh, PT, DPTPhysical Therapist1073888111
Verify Tamara M. Caithamer 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 215661Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,153 Medicare Part D claims for 248 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium240 claims
- Albuterol Sulfate Hfa217 claims
- Amlodipine Besylate175 claims
- Metformin Hcl123 claims
- Lisinopril118 claims
- Fluticasone Propionate115 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
- Physician Affiliate Group OF New York PCNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tamara M. Caithamer among 12,067 internal medicine physician records in New York
Tamara M. Caithamer, 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
- Graduated1995 · median 2002 among the 7,221 with a school on file
- Record last updated2007 · 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
- Oluyemisi Ariyibi, M.D.New York, NY 100291639129612
- Priscilla Bresler, MDNew York, NY 100291770547291
- Muhammad Chaudhry, M.D.New York, NY 100291457391443
- Linda Decherrie, MDNew York, NY 100291982635579
- Maciej Domek, MDNew York, NY 100291598796013
- Mary FishmanNew York, NY 100291134127988
- Amrita Gupte, M.D.New York, NY 100291811957236
- Jaime Lopez-Santini, MDNew York, NY 100291295739944
Common questions
What is Tamara M. Caithamer, M.D.'s NPI number?
Tamara M. Caithamer, M.D.'s National Provider Identifier (NPI) is 1063586089, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tamara M. Caithamer, M.D. located?
The NPPES record lists a practice address at 1901 1St Ave, New York, NY, 10029. Phone: (212) 423-7596. Providers update this record themselves, so call before visiting.
How can I verify Tamara M. Caithamer, M.D.'s license?
NPPES lists New York license number 215661, 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 Tamara M. Caithamer, M.D. prescribe under Medicare Part D?
In 2024, Tamara M. Caithamer, M.D. had 3,153 Medicare Part D claims for 248 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.