Clarence Steels, M.D.
NPI 1871858985 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clarence Steels, M.D. is a Internal Medicine Physician provider in San Antonio, TX (NPI 1871858985).
Provider details
- NPI number
- 1871858985
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD-17738 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
776 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 50 Minutes99233 | 322 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 201 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 140 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 113 | $165 |
Typical Medicare-allowed amounts for these services range $75–$165 (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.
Practice location
Mailing address
Additional practice locations (1)
- 91-2141 Fort Weaver RdEwa Beach, HI 96706-1993Phone: (808) 691-3000
Registry dates
- Enumerated
- 2012-07-05
- Last updated
- 2023-12-04
- Certified
- 2023-12-04
Frequently asked questions
- What is Clarence Steels's NPI number?
- Clarence Steels's National Provider Identifier (NPI) is 1871858985, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarence Steels's specialty?
- Clarence Steels is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clarence Steels located?
- Clarence Steels's practice location on file with NPPES is 520 Madison Oak Dr, San Antonio, TX 78258-3913.
- What is Clarence Steels's phone number?
- The practice phone number listed in the NPPES registry for Clarence Steels is (210) 297-4000.
- Does Clarence Steels accept Medicare?
- Clarence Steels is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clarence Steels's NPI active?
- Yes — Clarence Steels's NPI (1871858985) is active in the NPPES registry as of the last update on 2023-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.