Michael Demarest, PA
Physician Assistant · New York, NY
Michael Demarest, PA is a physician assistant with a practice address in New York, New York, and NPI 1841248747, issued on May 4, 2006. Check the license (New York 005865, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Demarest
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 005865 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 E 77TH St, New York, NY 10021
- Phone
- (212) 434-2650
- Enumerated
- May 4, 2006
- Record last updated
- Oct 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (212) 434-4512
- Medicaid ID
- 01868506 NY
- Medicare enrollment
- Enrolled (PECOS I20090305000447); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 100 E 77TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Demarest in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 005865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average physician assistant in 2024
662 Medicare Part D claims for 338 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate134 claims
- Doxycycline Hyclate71 claims
- Albuterol Sulfate Hfa64 claims
- Amoxicillin44 claims
- Promethazine Hcl36 claims
- Cephalexin30 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.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- North Shore Lij Urgent Care PCStaten Island, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Demarest among 15,555 physician assistant records in New York
Michael Demarest, PA 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1996 · median 2018 among the 8,158 with a school on file
- Record last updated2010 · 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).
3,108 physician assistant records list a practice address in New York
They are 3,108 of the 98,468 NPPES records with a practice address in New York, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in New York → Physician Assistant nationwide →
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Common questions
What is Michael Demarest, PA's NPI number?
Michael Demarest, PA's National Provider Identifier (NPI) is 1841248747, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Demarest, PA located?
The NPPES record lists a practice address at 100 E 77TH St, New York, NY, 10021. Phone: (212) 434-2650. Providers update this record themselves, so call before visiting.
How can I verify Michael Demarest, PA's license?
NPPES lists New York license number 005865, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Demarest, PA prescribe under Medicare Part D?
In 2024, Michael Demarest, PA had 662 Medicare Part D claims for 338 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Michael Demarest, PA's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.