Francis Contreras, M.D.
NPI 1659868354 · Internal Medicine Physician · St. Louis, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Francis Contreras, M.D. is a Internal Medicine Physician provider in St. Louis, MO (NPI 1659868354).
Provider details
- NPI number
- 1659868354
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 13811A (WY)
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
8 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
801 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 282 | $165 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 267 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 165 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 61 | $110 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 13 | $124 |
| Critical Care, First 30-74 Minutes99291 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-18
- Last updated
- 2022-09-22
- Certified
- 2022-09-22
Frequently asked questions
- What is Francis Contreras's NPI number?
- Francis Contreras's National Provider Identifier (NPI) is 1659868354, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Francis Contreras's specialty?
- Francis Contreras is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Francis Contreras located?
- Francis Contreras's practice location on file with NPPES is 6420 Clayton Road Department of Internal Medicine, St. Louis, MO 63117.
- What is Francis Contreras's phone number?
- The practice phone number listed in the NPPES registry for Francis Contreras is (314) 768-8778.
- Does Francis Contreras accept Medicare?
- Francis Contreras is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Francis Contreras's NPI active?
- Yes — Francis Contreras's NPI (1659868354) is active in the NPPES registry as of the last update on 2022-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.