Joseph Demarco
Physician Assistant · Buffalo, NY
Joseph Demarco is a physician assistant with a practice address in Buffalo, New York, and NPI 1861933665, issued on Mar 13, 2017. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph Demarco
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- Elm And Carlton Streets, Buffalo, NY 14263
- Phone
- (716) 845-2300
- Enumerated
- Mar 13, 2017
- Record last updated
- Jan 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (716) 845-2293
- Medicare enrollment
- Enrolled (PECOS I20170828002133); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at Elm And Carlton Streets
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph Demarco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average physician assistant in 2024
446 Medicare Part D claims for 117 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Venclexta56 claims
- Calquence55 claims
- Acyclovir49 claims
- Sulfamethoxazole-Trimethoprim27 claims
- Prednisone25 claims
- Brukinsa24 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
- Roswell Park Cancer InstituteBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Demarco among 15,555 physician assistant records in New York
Joseph Demarco is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 47% of them.
- NPI issued2017 · 47% of these records are older, 49% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2017 · median 2018 among the 8,158 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
488 physician assistant records list a practice address in Buffalo
They are 488 of the 13,287 NPPES records with a practice address in Buffalo, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Buffalo → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kimberly Celotto, RPA-CBuffalo, NY 142631447233101
- Beverly Close, PABuffalo, NY 142631932174729
- Leayn Flaherty, PABuffalo, NY 142631659377976
- Jamie Fraas, PABuffalo, NY 142631508831397
- Keryn Gauch, P.A.Buffalo, NY 142631063486561
- Dawn Green, PABuffalo, NY 142631407847064
- Kimberly Klein, PABuffalo, NY 142631720085665
- Michelle Lichtenthal, PABuffalo, NY 142631952386484
Common questions
What is Joseph Demarco's NPI number?
Joseph Demarco's National Provider Identifier (NPI) is 1861933665, issued on Mar 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Demarco located?
The NPPES record lists a practice address at Elm And Carlton Streets, Buffalo, NY, 14263. Phone: (716) 845-2300. Providers update this record themselves, so call before visiting.
How can I verify Joseph Demarco's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph Demarco prescribe under Medicare Part D?
In 2024, Joseph Demarco had 446 Medicare Part D claims for 117 beneficiaries; the average among physician assistant prescribers was 830. 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.