DR. AMELIA JEAN SIMPSON M.D.
NPI 1538484084
Surgery - Trauma Surgery in San Diego, CA
About Dr. Amelia Jean Simpson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AMELIA JEAN SIMPSON M.D. (NPI 1538484084) is an individual trauma surgery provider in San Diego, California, licensed in California (A135624) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2010).
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
Dr. Amelia Jean Simpson M.d. 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 Reassignments
4Medicare enrollment records show Amelia Simpson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 218 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 14 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 248 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 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 5
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.
Other Providers at the Same Location NPPES 9
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
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 Amelia Simpson's NPI number?
The NPI number for Amelia Simpson is 1538484084. It was assigned to this individual provider in the NPPES registry on March 27, 2010.
Where is Amelia Simpson located?
Amelia Simpson practices at 550 Washington St Ste 641, San Diego, CA 92103. The listed phone number is (619) 298-3100.
What is Amelia Simpson's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.
Is Amelia Simpson enrolled in Medicare?
Yes. Amelia Simpson 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 organizations bill Medicare for Amelia Simpson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amelia Simpson reassigns Medicare benefits to 4 organizations: On Call Specialists Medical Group Of San Diego, Inc. (San Diego, CA), Trauma Team Medical Group Incorporated (San Diego, CA), Regents Of The University Of California (San Diego, CA) and Emergency And Acute Care Medical Corporation (San Diego, CA). Each 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 Amelia Simpson'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 Amelia Simpson was last updated on October 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Amelia Jean Simpson, M.D. · NPI 1538484084
Trauma Surgery physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 27, 2010.
## Identity
- **NPI:** 1538484084 (Entity type: Individual)
- **Enumerated:** March 27, 2010
- **Primary specialty:** Surgery - Trauma Surgery · taxonomy 2086S0127X
- **State license:** A135624 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 550 WASHINGTON ST STE 641, San Diego, CA 92103-2229
- **Phone:** (619) 298-3100 · **Fax:** (619) 299-3923
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): On Call Specialists Medical Group Of San Diego, Inc. (NPI 1962175836, San Diego, CA); Trauma Team Medical Group Incorporated (NPI 1417907510, San Diego, CA); Regents Of The University Of California (NPI 1740382993, San Diego, CA); Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** October 26, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1538484084) · Data from the CMS NPPES public registry.