DR. PETER A HUMPHREY MD
NPI 1225056922
Pathology - Anatomic Pathology in Saint Louis, MO
About Dr. Peter A Humphrey Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER A HUMPHREY MD (NPI 1225056922) is an individual anatomic pathology provider in Saint Louis, Missouri, licensed in Missouri (100219) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Peter A Humphrey Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Peter Humphrey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Peter Humphrey's NPI number?
The NPI number for Peter Humphrey is 1225056922. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Peter Humphrey located?
Peter Humphrey practices at 216 S Kingshighway Blvd, Saint Louis, MO 63110. The listed phone number is (314) 362-5641.
What is Peter Humphrey's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.
Is Peter Humphrey enrolled in Medicare?
Yes. Peter Humphrey is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Peter Humphrey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Humphrey reassigns Medicare benefits to Yale University (New Haven, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Humphrey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Peter Humphrey was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Peter A Humphrey, MD · NPI 1225056922
Anatomic Pathology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 18, 2006.
## Identity
- **NPI:** 1225056922 (Entity type: Individual)
- **Enumerated:** July 18, 2006
- **Primary specialty:** Pathology - Anatomic Pathology · taxonomy 207ZP0101X
- **State license:** 100219 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 216 S KINGSHIGHWAY BLVD, Saint Louis, MO 63110-1026
- **Phone:** (314) 362-5641 · **Fax:** (314) 362-0369
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for durable medical equipment, power mobility devices
- **Bills Medicare through:** Yale University (NPI 1124148887, New Haven, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 29, 2026
- **Other identifiers:** Medicaid 023010176 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1225056922) · Data from the CMS NPPES public registry.