Hal Clark, D.O.
NPI 1083934467 · Diagnostic Radiology Physician · Mobile, AL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hal Clark, D.O. is a Diagnostic Radiology Physician provider in Mobile, AL (NPI 1083934467).
Provider details
- NPI number
- 1083934467
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 1256 (AL)
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
16 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
3,772 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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 513 | $26 |
| Screening Mammography77067 | 511 | $33 |
| X-Ray of Chest, 1 View71045 | 416 | $8 |
| Screening Mammography77067 | 270 | $33 |
| Screening 3d Breast Mammography77063 | 269 | $26 |
| Ct Scan Head Or Brain Without Contrast70450 | 176 | $36 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066) |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-08
- Last updated
- 2015-11-03
Frequently asked questions
- What is Hal Clark's NPI number?
- Hal Clark's National Provider Identifier (NPI) is 1083934467, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hal Clark's specialty?
- Hal Clark is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Hal Clark located?
- Hal Clark's practice location on file with NPPES is 5 Mobile Infirmary Cir, Mobile, AL 36607-3513.
- What is Hal Clark's phone number?
- The practice phone number listed in the NPPES registry for Hal Clark is (251) 460-0326.
- Does Hal Clark accept Medicare?
- Hal Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hal Clark's NPI active?
- Yes — Hal Clark's NPI (1083934467) is active in the NPPES registry as of the last update on 2015-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.