William Richard Gray, PA
- Part D claims, 2024
- 3,478
- Industry payments
- $1,570
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 8 Maple Ave, Bay Shore, NY 11706
- Practice phone
- Call (631) 664-4392
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Medical Care
Multi-specialty group site · Bay Shore, New York
Find William Gray's professional email, personal email and mobile number
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William Richard Gray is a physician assistant in Bay Shore, New York
William Gray practices at Quest Medical Care in Bay Shore, New York.
William Gray's NPI, 1649395229, was assigned on March 20, 2007. William Gray holds New York license 003709-1.
- NPI
- 1649395229NPI Registry (opens in a new tab)
- NPI enumeration date
- March 20, 2007
- NPI status
- Active
- Practice phone
- (631) 664-4392
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Richard Gray practices at 2 locations in Bay Shore, New York
William Gray's primary practice is Quest Medical Care, at 8 Maple Ave, Bay Shore, NY 11706. The practice phone is (631) 664-4392. The NPI Registry lists William Gray's practice address as 24 Brentwood Rd, Bay Shore, NY 11706.
- Quest Medical CarePrimary8 Maple Ave, Bay Shore, NY 11706Phone(631) 664-4392
- NPI Registry address24 Brentwood Rd, Bay Shore, NY 11706 · Suffolk County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
William Richard Gray is affiliated with 1 site of care and 1 medical group
William Gray's primary practice is Quest Medical Care in Bay Shore, New York. The medical group on file is Quest Medical Care, P.C.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at William Richard Gray's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Gray practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Medical Care | Available with a free account |
Source: Dmand AI Technology Install Data
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William Richard Gray is one of 2,670 physician assistants in New York
Medical is William Gray's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. William Gray is licensed in New York.
Specialties and state licenses
- Medical physician assistant, New YorkPrimary
Physician assistants near William Gray
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Richard Gray's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts William Gray's median patient age at 44, with 45% women.
William Gray's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women45%
- Men54%
Source: Dmand AI Patient Panel Data
William Richard Gray wrote 3,478 Medicare Part D claims in 2024
In 2024, William Gray wrote 3,478 Medicare Part D claims for 196 patients. 85% of them were for generic drugs. CMS names the drug for 2,928 of them, across 70 drugs with 11 or more claims each, at $304,239 in total drug cost.
William Gray's Part D claims by kind of drug, 2024
- Generic2,969 claims85%
- Brand-name and other509 claims15%
William Gray's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in William Gray's Part D claims, 2024
- Opioids7%246 of 3,478 claims
- Antibiotics2%82 of 3,478 claims
- Antipsychotics, patients 65 and over1%36 of 3,478 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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William Richard Gray received $1,570 in industry payments in 2025
CMS Open Payments shows 77 general payments to William Gray from 17 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $461.
Companies that paid William Gray the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William Richard Gray's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Richard Gray
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Richard Gray's NPI number?
William Richard Gray's NPI number is 1649395229. It was assigned on March 20, 2007, and it is active in the NPI Registry.
What does William Richard Gray specialize in?
William Richard Gray is a physician assistant in Bay Shore, New York. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does William Richard Gray practice?
William Gray practices at 8 Maple Ave, Bay Shore, NY 11706. William Gray also practices at 24 Brentwood Rd, Bay Shore, NY 11706. William Gray's primary practice is Quest Medical Care in Bay Shore, New York.
What is William Richard Gray's office phone number?
The practice phone on file for William Gray is (631) 664-4392.
What is William Richard Gray's medical license number?
William Gray holds New York license 003709-1.
What medical group is William Richard Gray part of?
William Gray is linked to Quest Medical Care, P.C.
What drugs does William Richard Gray prescribe most?
In 2024 Medicare Part D data, William Gray's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Oxycodone HCl.
Has William Richard Gray received payments from drug or device companies?
CMS Open Payments shows $1,570 in general payments to William Gray from 17 companies from 2025 to 2025. The largest total came from Pfizer Inc.
How long has William Richard Gray been practicing?
William Gray's NPI was assigned in 2007.
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