Registry data as of Aug 27, 2026

Mark Foster, MD

Internal Medicine Physician · Wappingers Falls, NY

Mark Foster, MD is an internal medicine physician with a practice address in Wappingers Falls, New York, and NPI 1245294040, issued on Apr 17, 2006. Check the license (New York 174350, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1245294040
Name
Mark Foster
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
174350 NY
Self-reported in NPPES; status is on the state search
Practice location
1323 Route 9, Wappingers Falls, NY 12590
Phone
(845) 298-7022
Enumerated
Apr 17, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1323 Route 9

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Isabelle Brunetti-Pai, D.D.S.Endodontics1073719936
  2. Lawrence Grodin, D.D.S.General Practice Dentistry1144208133
  3. Amy Kelly, CFNPFamily Nurse Practitioner1467486811
  4. Mangala Rajan, M.D.Diagnostic Radiology Physician1679519722
  5. Adam Rubinstein, MDPediatrics Physician1174588909
  6. Niraj Sharma, M.D.Interventional Pain Medicine Physician1689630972

Verify Mark Foster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 174350
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

55% more Medicare Part D claims than the average internal medicine physician in 2024

4,934 Medicare Part D claims for 634 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 92 claims were for opioids.

  1. Mark Foster4,934
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium366 claims
  2. Amlodipine Besylate208 claims
  3. Levothyroxine Sodium180 claims
  4. Rosuvastatin Calcium149 claims
  5. Metoprolol Succinate140 claims
  6. Hydrochlorothiazide131 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: $416.25

23 payments, mostly food and beverage; the largest payer was Pfizer Inc. 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.

  1. Mark Foster$416.25
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Hudson Valley Primary Medical CareWappingers Falls, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

6 internal medicine physician records list a practice address in Wappingers Falls

They are 6 of the 508 NPPES records with a practice address in Wappingers Falls, and 12,067 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Ahmad AbadiPoughkeepsie, NY1780258517
  5. Jamsheed Abadi, MDBrooklyn, NY1477537496
  6. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  7. Zurab Abayev, M.D.Brooklyn, NY1841283058
  8. Ehab Abaza, MDNew York, NY1114507555
  9. Vaidarshi Abbagoni, MDNew York, NY1871237495
  10. Muhammad AbbasRichmond Hill, NY1053996587

Common questions

What is Mark Foster, MD's NPI number?

Mark Foster, MD's National Provider Identifier (NPI) is 1245294040, issued on Apr 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Foster, MD located?

The NPPES record lists a practice address at 1323 Route 9, Wappingers Falls, NY, 12590. Phone: (845) 298-7022. Providers update this record themselves, so call before visiting.

How can I verify Mark Foster, MD's license?

NPPES lists New York license number 174350, 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 Mark Foster, MD prescribe under Medicare Part D?

In 2024, Mark Foster, MD had 4,934 Medicare Part D claims for 634 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), loaded Aug 27, 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) 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 27, 2026.