Peter Warner, D.O.
NPI 1093756017 · Hospitalist Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Warner, D.O. is a Hospitalist Physician provider in Saint Louis, MO (NPI 1093756017).
Provider details
- NPI number
- 1093756017
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2002007117 (MO)
Specialties & taxonomies
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
20 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
786 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 35 Minutes99232 | 281 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 230 | $114 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 160 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 49 | $166 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 36 | $125 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 52 | 27 |
| Cefdinir | 42 | 42 |
| Pantoprazole Sodium | 35 | 22 |
| Atorvastatin Calcium | 27 | 18 |
| Doxycycline Hyclate | 27 | 27 |
| Metoprolol Tartrate | 26 | 19 |
| Carvedilol | 25 | 16 |
Practice location
Mailing address
Additional practice locations (1)
- 12655 Olive Blvd Fl 4Saint Louis, MO 63141-6291Phone: (314) 851-1000
Registry dates
- Enumerated
- 2006-06-09
- Last updated
- 2024-06-26
- Certified
- 2024-06-26
Frequently asked questions
- What is Peter Warner's NPI number?
- Peter Warner's National Provider Identifier (NPI) is 1093756017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Warner's specialty?
- Peter Warner is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Warner located?
- Peter Warner's practice location on file with NPPES is 10010 Kennerly Rd, Saint Louis, MO 63128-2106.
- What is Peter Warner's phone number?
- The practice phone number listed in the NPPES registry for Peter Warner is (314) 525-1328.
- Does Peter Warner accept Medicare?
- Peter Warner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Warner's NPI active?
- Yes — Peter Warner's NPI (1093756017) is active in the NPPES registry as of the last update on 2024-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.