W Marvin Day, PA
Physician Assistant · Granville, NY
W Marvin Day, PA is a physician assistant with a practice address in Granville, New York, and NPI 1174591796, issued on Mar 9, 2006. Check the license (New York 005618-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- W Marvin Day
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 005618-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 79 North St, Granville, NY 12832
- Phone
- (518) 642-0612
- Enumerated
- Mar 9, 2006
- Record last updated
- Feb 10, 2022
- Fax
- (518) 642-0693
- Medicare enrollment
- Enrolled (PECOS I20080125000380); 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 79 North St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Cook, M.D.Family Medicine Physician1720071095
- Mallory Edwards, PA-CPhysician Assistant1467876409
- Ragini Ganjoo, MDStudent in an Organized Health Care Education/Training Program1235824483
- Ann Gregory, FNPFamily Nurse Practitioner1487645826
- Cynthia Short, MDInternal Medicine Physician1306974845
- Gordon Thomas, D.O.Family Medicine Physician1083665582
Verify W Marvin Day 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 005618-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18.1 times the Medicare Part D claims of the average physician assistant in 2024
15,041 Medicare Part D claims for 1,005 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 862 claims were for opioids.
Most prescribed
- Atorvastatin Calcium715 claims
- Levothyroxine Sodium559 claims
- Omeprazole513 claims
- Rosuvastatin Calcium461 claims
- Amlodipine Besylate429 claims
- Lisinopril416 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: $1,549.74
69 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 64,719 providers of this specialty with any payment received $841.65 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
- Glens Falls Hospital IncWhitehall, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
W Marvin Day among 15,555 physician assistant records in New York
W Marvin Day, 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 updated2022 · 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).
4 physician assistant records list a practice address in Granville
They are 4 of the 50 NPPES records with a practice address in Granville, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Granville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Grace Deyoung, PA-CGranville, NY 128321912886755
- Mallory Edwards, PA-CGranville, NY 128321467876409
- Michelle ParbusGranville, NY 128321952873259
- Glen Anderson, PA-CGansevoort, NY 128311801061288
- Jacqueline Battista, PAGansevoort, NY 128311497384663
- Jacquelyn Buckley, PA-CGansevoort, NY 128311871500165
- Steven Clark, RPA-CWilton, NY 128311861498859
- Michelle Frey, P.A.Wilton, NY 128311538509237
Common questions
What is W Marvin Day, PA's NPI number?
W Marvin Day, PA's National Provider Identifier (NPI) is 1174591796, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is W Marvin Day, PA located?
The NPPES record lists a practice address at 79 North St, Granville, NY, 12832. Phone: (518) 642-0612. Providers update this record themselves, so call before visiting.
How can I verify W Marvin Day, PA's license?
NPPES lists New York license number 005618-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does W Marvin Day, PA prescribe under Medicare Part D?
In 2024, W Marvin Day, PA had 15,041 Medicare Part D claims for 1,005 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.