Joseph Anthony Gualtieri, M.D.
Internal Medicine Physician · Williamsville, NY
Joseph Anthony Gualtieri, M.D. is an internal medicine physician with a practice address in Williamsville, New York, and NPI 1053572883, issued on Jun 24, 2008. Check the license (New York 248995, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Joseph Anthony Gualtieri
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 248995 NY
Self-reported in NPPES; status is on the state search - Practice location
- 400 International Dr, Williamsville, NY 14221
- Phone
- (716) 631-3555
- Enumerated
- Jun 24, 2008
- Record last updated
- Nov 7, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (716) 631-9525
- Medicare enrollment
- Enrolled (PECOS I20080724000347); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 400 International Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mark Anderson, PTPhysical Therapist1477700466
- Jessica Bennett, MS, RDRegistered Dietitian1548718646
- Gina Boldt, L.M.TMassage Therapist1942598107
- Nora BrowningFamily Nurse Practitioner1760370118
Verify Joseph Anthony Gualtieri 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 248995Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
381 Medicare Part D claims for 208 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Prednisone33 claims
- Cefpodoxime Proxetil21 claims
- Potassium Chloride19 claims
- Cephalexin16 claims
- Furosemide16 claims
- Azithromycin12 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: $15.59
1 payment: food and beverage; the largest payer was Abbvie 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.
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
- General Physician PCBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Anthony Gualtieri among 12,067 internal medicine physician records in New York
Joseph Anthony Gualtieri, 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2005 · median 2002 among the 7,221 with a school on file
- Record last updated2019 · 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).
64 internal medicine physician records list a practice address in Williamsville
They are 64 of the 3,530 NPPES records with a practice address in Williamsville, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Williamsville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Burnett, MDWilliamsville, NY 142211679559934
- Jeffrey Burnett, DOWilliamsville, NY 142211346226271
- Lynn Cieslak, M.D.Williamsville, NY 142211518951011
- Peter Elkin, M.D.Williamsville, NY 142211568432656
- Shuman Hua, M.D.Williamsville, NY 142211245219229
- Bonnie McMichael, M.D.Williamsville, NY 142211881692267
- Larisa Meras, M.D.Buffalo, NY 142211962474262
- Margaret Mitchell, M.D.Williamsville, NY 142211477551331
Common questions
What is Joseph Anthony Gualtieri, M.D.'s NPI number?
Joseph Anthony Gualtieri, M.D.'s National Provider Identifier (NPI) is 1053572883, issued on Jun 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Anthony Gualtieri, M.D. located?
The NPPES record lists a practice address at 400 International Dr, Williamsville, NY, 14221. Phone: (716) 631-3555. Providers update this record themselves, so call before visiting.
How can I verify Joseph Anthony Gualtieri, M.D.'s license?
NPPES lists New York license number 248995, 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 Joseph Anthony Gualtieri, M.D. prescribe under Medicare Part D?
In 2024, Joseph Anthony Gualtieri, M.D. had 381 Medicare Part D claims for 208 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.