NATHALIE CALLAHAN EGAN P.A.
NPI 1770583262
Physician Assistant in San Diego, CA
About Nathalie Callahan Egan P.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATHALIE CALLAHAN EGAN P.A. (NPI 1770583262) is an individual physician assistant in San Diego, California, licensed in California (PA16315) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Francisco.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Nathalie Callahan Egan P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
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 92103 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.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Nathalie Egan's NPI number?
The NPI number for Nathalie Egan is 1770583262. It was assigned to this individual provider in the NPPES registry on July 26, 2005. The provider is also known as Nathalie K. Callahan P.A..
Where is Nathalie Egan located?
Nathalie Egan practices at 4077 Fifth Ave, San Diego, CA 92103. The listed phone number is (616) 686-3800.
What is Nathalie Egan's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Nathalie Egan enrolled in Medicare?
Yes. Nathalie Egan is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Nathalie Egan was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Nathalie Callahan Egan, P.A. · NPI 1770583262
Physician Assistant physician in San Diego, California. Individual provider, active in the CMS NPPES registry since July 26, 2005.
## Identity
- **NPI:** 1770583262 (Entity type: Individual)
- **Enumerated:** July 26, 2005
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** PA16315 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4077 FIFTH AVE, San Diego, CA 92103-2105
- **Phone:** (616) 686-3800
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
## Record status
- **NPPES last updated:** January 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1770583262) · Data from the CMS NPPES public registry.