R. Preston Harrison
NPI 1467564195 · Internal Medicine Physician · Birmingham, AL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
R. Preston Harrison is a Internal Medicine Physician provider in Birmingham, AL (NPI 1467564195).
Provider details
- NPI number
- 1467564195
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 21636 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
432 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 271 | $94 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 67 | $117 |
| Administration of Influenza Virus VaccineG0008 | 30 | $5 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $62 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 135 | 19 |
| Losartan Potassium | 114 | 32 |
| Rosuvastatin Calcium | 101 | 26 |
| Atorvastatin Calcium | 94 | 31 |
| Amlodipine Besylate | 91 | 29 |
| Levothyroxine Sodium | 79 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$79 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2022-12-16
Frequently asked questions
- What is R. Preston Harrison's NPI number?
- R. Preston Harrison's National Provider Identifier (NPI) is 1467564195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is R. Preston Harrison's specialty?
- R. Preston Harrison is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is R. Preston Harrison located?
- R. Preston Harrison's practice location on file with NPPES is 1717 6th Ave S, Birmingham, AL 35233-1801.
- What is R. Preston Harrison's phone number?
- The practice phone number listed in the NPPES registry for R. Preston Harrison is (800) 822-8816.
- Does R. Preston Harrison accept Medicare?
- R. Preston Harrison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is R. Preston Harrison's NPI active?
- Yes — R. Preston Harrison's NPI (1467564195) is active in the NPPES registry as of the last update on 2022-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.