Karen Melissa Tam, M.D.
Family Medicine Physician · New Square, NY
Karen Melissa Tam, M.D. is a family medicine physician with a practice address in New Square, New York, and NPI 1477847085, issued on Jun 1, 2011. Check the license (New York 275120, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Karen Melissa Tam
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 275120 NY
Self-reported in NPPES; status is on the state search - Practice location
- 728 N Main St, New Square, NY 10977
- Phone
- (845) 354-9300
- Enumerated
- Jun 1, 2011
- Record last updated
- Aug 14, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (845) 517-1975
- Medicare enrollment
- Enrolled (PECOS I20140731001685); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2011
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Also registered at 728 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Abraitis, CMMidwife1710312152
- Eli Adler, LMSWClinical Social Worker1902628993
- Yehoshua BachrachDentist1508556952
- Talia BardashPhysician Assistant1861136145
- Katherine BecerraStudent in an Organized Health Care Education/Training Program1417701459
- Nadiuska BencosmeFamily Nurse Practitioner1285452078
Verify Karen Melissa Tam 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 275120Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
528 Medicare Part D claims for 100 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium31 claims
- Naproxen22 claims
- Famotidine21 claims
- Pregabalin20 claims
- Lisinopril19 claims
- Pantoprazole Sodium18 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
- Open Door Family Medical Center IncPort Chester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Melissa Tam among 6,417 family medicine physician records in New York
Karen Melissa Tam, M.D. is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2011 · median 2007 among the 4,188 with a school on file
- Record last updated2014 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family medicine physician records list a practice address in New Square
They are 3 of the 70 NPPES records with a practice address in New Square, and 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in New Square → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Haldorsen, M.D.Spring Valley, NY 109771427122464
- Tamir Katz, M.D.Spring Valley, NY 109771710901715
- Ernsta PierreSpring Valley, NY 109771548825649
- Ariella Stahl, MDNew Square, NY 109771649698853
- Jemps Stfleur, MSN, FNP-BCNew Square, NY 109771740107358
- Hema Dave, D.O.Stony Point, NY 109801265437339
- Edward Klein, D.O.Slate Hill, NY 109731609814714
- Sherin Philip, MDSlate Hill, NY 109731952530636
Common questions
What is Karen Melissa Tam, M.D.'s NPI number?
Karen Melissa Tam, M.D.'s National Provider Identifier (NPI) is 1477847085, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Karen Melissa Tam, M.D. located?
The NPPES record lists a practice address at 728 N Main St, New Square, NY, 10977. Phone: (845) 354-9300. Providers update this record themselves, so call before visiting.
How can I verify Karen Melissa Tam, M.D.'s license?
NPPES lists New York license number 275120, 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 Karen Melissa Tam, M.D. prescribe under Medicare Part D?
In 2024, Karen Melissa Tam, M.D. had 528 Medicare Part D claims for 100 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.