Gregory S. Donaldson, PA-C
- Medicare patients, 2024
- 348
- Part D claims, 2024
- 405
- MIPS score, 2024
- 95
- Hospital affiliations
- 2
- Medical groups
- 2
- Practice address
- 1500 Commonwealth Avenue, Williamsburg, VA 23185
- Practice phone
- Call (757) 585-2010
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregory Donaldson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Gregory S. Donaldson is a physician assistant in Williamsburg, Virginia
Gregory Donaldson practices at Riverside Doctors' Hospital Williamsburg in Williamsburg, Virginia, part of Riverside Health System.
Gregory Donaldson's NPI, 1386704716, was assigned on December 8, 2006. Gregory Donaldson holds Virginia license 0110001684.
- NPI
- 1386704716NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042279663
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (757) 585-2010
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory S. Donaldson practices at Riverside Doctors' Hospital Williamsburg in Williamsburg, Virginia
Gregory Donaldson's primary practice is Riverside Doctors' Hospital Williamsburg, at 1500 Commonwealth Avenue, Williamsburg, VA 23185 in James City. The practice phone is (757) 585-2010.
- Riverside Doctors' Hospital Williamsburg1500 Commonwealth Avenue, Williamsburg, VA 23185 · James CityPhone(757) 585-2010
Source: Dmand AI Affiliation Data
Gregory S. Donaldson is affiliated with 3 sites of care and 2 medical groups
Gregory Donaldson's primary practice is Riverside Doctors' Hospital Williamsburg in Williamsburg, Virginia, part of Riverside Health System. Gregory Donaldson is also affiliated with Select Specialty Hospital - Hampton Roads. The medical group on file is Riverside Gastroenterology Specialists. Dmand AI also links Gregory Donaldson to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory S. Donaldson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Donaldson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Doctors' Hospital Williamsburg | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Riverside Health System and 6.2K+ hospitals, with verified contacts in the same login.
Gregory S. Donaldson is one of 3,636 physician assistants in Virginia
Physician assistant is Gregory Donaldson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Gregory Donaldson is licensed in Virginia.
Specialties and state licenses
- Physician assistant, VirginiaPrimary
Physician assistants near Gregory Donaldson
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
Gregory S. Donaldson treated 348 Medicare patients in 2024, average age 76
CMS counts 348 Medicare patients who saw Gregory Donaldson in 2024. The largest group is 75 to 84, with 135 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Donaldson's median patient age at 41, with 56% women.
Gregory Donaldson's Medicare patients by age, 2024
Gregory Donaldson's Medicare patients by sex, 2024
- Women20759%
- Men14141%
Chronic conditions among Gregory Donaldson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Mood disorders34%
- Anxiety33%
- Depression32%
- Ischemic heart disease29%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Gregory Donaldson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory S. Donaldson wrote 405 Medicare Part D claims in 2024
In 2024, Gregory Donaldson wrote 405 Medicare Part D claims for 266 patients. 94% of them were for generic drugs.
Gregory Donaldson's Part D claims by kind of drug, 2024
- Generic380 claims94%
- Brand-name and other25 claims6%
Drug classes CMS tracks in Gregory Donaldson's Part D claims, 2024
- Opioids16%65 of 405 claims
- Antibiotics33%135 of 405 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Gregory S. Donaldson scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Gregory Donaldson for performance year 2024, reported through an alternative payment model (APM). Gregory Donaldson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Gregory Donaldson's MIPS scores, performance year 2024
- 95of 100Final score
- 92.9of 100Quality
- 95of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Gregory S. Donaldson'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Gregory S. Donaldson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory S. Donaldson's NPI number?
Gregory S. Donaldson's NPI number is 1386704716. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What does Gregory S. Donaldson specialize in?
Gregory S. Donaldson is a physician assistant in Williamsburg, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Gregory S. Donaldson practice?
Gregory Donaldson practices at 1500 Commonwealth Avenue, Williamsburg, VA 23185. Gregory Donaldson's primary practice is Riverside Doctors' Hospital Williamsburg in Williamsburg, Virginia, part of Riverside Health System. Dmand AI also links Gregory Donaldson to 1 group practice or clinic and 1 medical group.
What is Gregory S. Donaldson's office phone number?
The practice phone on file for Gregory Donaldson is (757) 585-2010.
What is Gregory S. Donaldson's medical license number?
Gregory Donaldson holds Virginia license 0110001684.
Which hospitals is Gregory S. Donaldson affiliated with?
Gregory Donaldson practices at Riverside Doctors' Hospital Williamsburg in Williamsburg, Virginia. Gregory Donaldson is also affiliated with Select Specialty Hospital - Hampton Roads.
What medical group is Gregory S. Donaldson part of?
Gregory Donaldson is linked to Riverside Gastroenterology Specialists. Dmand AI links Gregory Donaldson to 1 more medical group.
Does Gregory S. Donaldson accept Medicare?
Yes. CMS lists Gregory Donaldson as accepting Medicare assignment.
What is Gregory S. Donaldson's MIPS score?
Gregory Donaldson's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Gregory S. Donaldson see?
CMS counts 348 Medicare patients who saw Gregory Donaldson in 2024, with an average age of 76.
How long has Gregory S. Donaldson been practicing?
Gregory Donaldson graduated from medical school in 1996, 30 years ago.
Selling to physician assistant practices?
See physician assistants in Virginia by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card