Peter Humphrey, MD
NPI 1225056922 · Anatomic Pathology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Humphrey, MD is a Anatomic Pathology Physician provider in Saint Louis, MO (NPI 1225056922).
Provider details
- NPI number
- 1225056922
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 100219 (MO)
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
19 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
1,067 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) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 227 | $28 |
| Special Stained Specimen Slides to Examine Tissue, Each Multiplex Procedure88344 | 213 | $38 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 178 | $37 |
| Surgical Pathology, Gross and Microscopic Examinations, for Prostate Needle Biopsy, Any MethodG0416 | 125 | $175 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 119 | $81 |
| Pathology Examination of Tissue Using a Microscope, Limited Examination88300 | 107 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2018-11-29
Frequently asked questions
- What is Peter Humphrey's NPI number?
- Peter Humphrey's National Provider Identifier (NPI) is 1225056922, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Humphrey's specialty?
- Peter Humphrey is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Humphrey located?
- Peter Humphrey's practice location on file with NPPES is 216 S Kingshighway Blvd, Saint Louis, MO 63110-1026.
- What is Peter Humphrey's phone number?
- The practice phone number listed in the NPPES registry for Peter Humphrey is (314) 362-5641.
- Does Peter Humphrey accept Medicare?
- Peter Humphrey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Humphrey's NPI active?
- Yes — Peter Humphrey's NPI (1225056922) is active in the NPPES registry as of the last update on 2018-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.