Roy Macgregor, MD
NPI 1144483223 · Internal Medicine Physician · Chesapeake, VA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy Macgregor, MD is a Internal Medicine Physician provider in Chesapeake, VA (NPI 1144483223).
Provider details
- NPI number
- 1144483223
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101250274 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,413 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 642 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 451 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 222 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 52 | $163 |
| Critical Care, First 30-74 Minutes99291 | 46 | $202 |
Typical Medicare-allowed amounts for these services range $75–$202 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 45 | 16 |
| Metoprolol Succinate | 44 | 18 |
| Apixabanbrand: Eliquis | 34 | 15 |
| Quetiapine Fumarate | 30 | — |
| Atorvastatin Calcium | 27 | 17 |
| Furosemide | 24 | 15 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-08
- Last updated
- 2025-10-07
- Certified
- 2025-10-07
Frequently asked questions
- What is Roy Macgregor's NPI number?
- Roy Macgregor's National Provider Identifier (NPI) is 1144483223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Macgregor's specialty?
- Roy Macgregor is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roy Macgregor located?
- Roy Macgregor's practice location on file with NPPES is 736 Battlefield Blvd N, Chesapeake, VA 23320-4941.
- What is Roy Macgregor's phone number?
- The practice phone number listed in the NPPES registry for Roy Macgregor is (757) 967-8622.
- Does Roy Macgregor accept Medicare?
- Roy Macgregor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roy Macgregor's NPI active?
- Yes — Roy Macgregor's NPI (1144483223) is active in the NPPES registry as of the last update on 2025-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.