Mason Harper, MD
NPI 1447839170 · Internal Medicine Physician · Little Rock, AR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mason Harper, MD is a Internal Medicine Physician provider in Little Rock, AR (NPI 1447839170).
Provider details
- NPI number
- 1447839170
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
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 tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 49 | 15 |
| Allopurinol | 25 | — |
| Metoprolol Succinate | 25 | — |
| Losartan Potassium | 19 | — |
| Amlodipine Besylate | 18 | — |
| Lisinopril | 17 | — |
| Duloxetine Hcl | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-08
- Last updated
- 2024-07-08
- Certified
- 2024-07-08
Frequently asked questions
- What is Mason Harper's NPI number?
- Mason Harper's National Provider Identifier (NPI) is 1447839170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mason Harper's specialty?
- Mason Harper is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mason Harper located?
- Mason Harper's practice location on file with NPPES is 4301 W Markham St # 641, Little Rock, AR 72205-7101.
- What is Mason Harper's phone number?
- The practice phone number listed in the NPPES registry for Mason Harper is (501) 686-8000.
- Does Mason Harper accept Medicare?
- Mason Harper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mason Harper's NPI active?
- Yes — Mason Harper's NPI (1447839170) is active in the NPPES registry as of the last update on 2024-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.