PETER HAHN MD
NPI 1952742744
Orthopaedic Surgery in San Diego, CA
About Peter Hahn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER HAHN MD (NPI 1952742744) is an individual orthopaedic surgery provider in San Diego, California, licensed in California (A131717) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Peter Hahn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Peter Hahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ontario, CA 91762
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Premier Orthopaedic Trauma Specialists Pmc
- 32 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
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 92123 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.
Reported Quality Measures
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.
SAN DIEGO, CA 92123
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 Hahn's NPI number?
The NPI number for Peter Hahn is 1952742744. It was assigned to this individual provider in the NPPES registry on July 10, 2013.
Where is Peter Hahn located?
Peter Hahn practices at 3030 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-6789.
What is Peter Hahn's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Peter Hahn enrolled in Medicare?
Yes. Peter Hahn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Peter Hahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Hahn reassigns Medicare benefits to Upland Outpatient Surgery Center LP (Ontario, CA). 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 Hahn'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 Hahn was last updated on July 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.
# Peter Hahn, MD · NPI 1952742744
Orthopaedic Surgery physician in San Diego, California. Individual provider, active in the CMS NPPES registry since July 10, 2013.
## Identity
- **NPI:** 1952742744 (Entity type: Individual)
- **Enumerated:** July 10, 2013
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** A131717 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3030 CHILDRENS WAY, San Diego, CA 92123
- **Phone:** (858) 966-6789
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Upland Outpatient Surgery Center LP (NPI 1710945787, Ontario, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 2013
## Record status
- **NPPES last updated:** July 3, 2018
---
Source: [NPI Profile](https://npiprofile.com/npi/1952742744) · Data from the CMS NPPES public registry.