DR. EUGENE THOMAS RICHARDSON IV MD
NPI 1003122722
Internal Medicine - Infectious Disease in San Diego, CA
About Dr. Eugene Thomas Richardson Iv Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EUGENE THOMAS RICHARDSON IV MD (NPI 1003122722) is an individual infectious disease provider in San Diego, California, licensed in California (A113277) and active in the NPI registry since August 2010. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
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. Eugene Thomas Richardson Iv 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 Eugene Richardson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician 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.
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
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 Eugene Richardson's NPI number?
The NPI number for Eugene Richardson is 1003122722. It was assigned to this individual provider in the NPPES registry on August 19, 2010.
Where is Eugene Richardson located?
Eugene Richardson practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Eugene Richardson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Eugene Richardson enrolled in Medicare?
Yes. Eugene Richardson 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 Eugene Richardson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eugene Richardson reassigns Medicare benefits to Brigham & Womens Physicians Organization Inc (Boston, MA). 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 Eugene Richardson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eugene Richardson accept?
Health plans from Taro Health list Eugene Richardson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Eugene Richardson affiliated with any hospitals?
According to CMS data, Eugene Richardson is affiliated with Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Eugene Richardson was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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. Eugene Thomas Richardson IV, MD · NPI 1003122722
Infectious Disease physician in San Diego, California. Individual provider, active in the CMS NPPES registry since August 19, 2010.
## Identity
- **NPI:** 1003122722 (Entity type: Individual)
- **Enumerated:** August 19, 2010
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** A113277 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (800) 926-8273 · **Fax:** (888) 539-8781
## 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:** Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Js Weill Medical College, Cornell University, class of 2009
## Record status
- **NPPES last updated:** October 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1003122722) · Data from the CMS NPPES public registry.