William Penny, M.D.
NPI 1689069478 · Anatomic Pathology & Clinical Pathology Physician · Fort Smith, AR
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Penny, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Fort Smith, AR (NPI 1689069478).
Provider details
- NPI number
- 1689069478
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- E-11963 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,433 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,027 | $35 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 449 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 351 | $33 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 133 | $78 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 88 | $11 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 67 | $40 |
Practice location
Mailing address
Additional practice locations (2)
- 411 E Matthews AveJonesboro, AR 72401Phone: (870) 930-3518
- 4301 W Markham St # 517Little Rock, AR 72205-7101Phone: (501) 686-5356
Registry dates
- Enumerated
- 2015-03-30
- Last updated
- 2020-02-18
- Certified
- 2020-02-18
Frequently asked questions
- What is William Penny's NPI number?
- William Penny's National Provider Identifier (NPI) is 1689069478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Penny's specialty?
- William Penny is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is William Penny located?
- William Penny's practice location on file with NPPES is 7301 Rogers Ave, Fort Smith, AR 72903-4100.
- What is William Penny's phone number?
- The practice phone number listed in the NPPES registry for William Penny is (479) 452-9416.
- Does William Penny accept Medicare?
- William Penny is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Penny's NPI active?
- Yes — William Penny's NPI (1689069478) is active in the NPPES registry as of the last update on 2020-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.