DR. ANTHONY JAMES ALARCON M.D.
NPI 1972745370
Anesthesiology in San Diego, CA
About Dr. Anthony James Alarcon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANTHONY JAMES ALARCON M.D. (NPI 1972745370) is an individual anesthesiology provider in San Diego, California, licensed in California (A112820) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2006).
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. Anthony James Alarcon 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
2Medicare enrollment records show Anthony Alarcon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 269 clinicians in this Medicare group
Columbia, MD 21046
- Reassigned Medicare billing, Maryland enrollment
- 734 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 11
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.
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.
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 Anthony Alarcon's NPI number?
The NPI number for Anthony Alarcon is 1972745370. It was assigned to this individual provider in the NPPES registry on March 31, 2009.
Where is Anthony Alarcon located?
Anthony Alarcon practices at 3626 Ruffin Rd, San Diego, CA 92123. The listed phone number is (858) 565-9666.
What is Anthony Alarcon's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Anthony Alarcon enrolled in Medicare?
Yes. Anthony Alarcon 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 Anthony Alarcon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Alarcon reassigns Medicare benefits to 2 organizations: Anesthesia Service Medical Group (San Diego, CA) and First Colonies Anesthesia Associates, LLC (Columbia, MD). 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 Anthony Alarcon'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 Anthony Alarcon was last updated on January 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Anthony James Alarcon, M.D. · NPI 1972745370
Anesthesiology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 31, 2009.
## Identity
- **NPI:** 1972745370 (Entity type: Individual)
- **Enumerated:** March 31, 2009
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A112820 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3626 RUFFIN RD, San Diego, CA 92123-1810
- **Phone:** (858) 565-9666 · **Fax:** (858) 565-9441
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Anesthesia Service Medical Group (NPI 1053354233, San Diego, CA); First Colonies Anesthesia Associates, LLC (NPI 1740218767, Columbia, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** January 29, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1972745370) · Data from the CMS NPPES public registry.