DR. MICHAEL J A REID MD
NPI 1912137951
Internal Medicine - Infectious Disease in San Francisco, CA
About Dr. Michael J A Reid Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL J A REID MD (NPI 1912137951) is an individual infectious disease provider in San Francisco, California, licensed in California (C130942) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses 2
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. Michael J A Reid 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 Reassignments
5Medicare enrollment records show Michael Reid reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1366417933 (California), NPI 1073836060 (California)
- 78 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 94110 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.
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 Michael Reid's NPI number?
The NPI number for Michael Reid is 1912137951. It was assigned to this individual provider in the NPPES registry on July 24, 2009.
Where is Michael Reid located?
Michael Reid practices at Zuckerburg General Hospital 1001 Protero Avenue, San Francisco, CA 94110. The listed phone number is (415) 206-2403.
What is Michael Reid's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Michael Reid enrolled in Medicare?
Yes. Michael Reid 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 Michael Reid's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Reid reassigns Medicare benefits to 5 organizations: City & County Of San Francisco (San Francisco, CA), University Of California Sfgh Medical Group (San Francisco, CA), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Michael Reid'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 Michael Reid was last updated on July 17, 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.
# Dr. Michael J A Reid, MD · NPI 1912137951
Infectious Disease physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since July 24, 2009.
## Identity
- **NPI:** 1912137951 (Entity type: Individual)
- **Enumerated:** July 24, 2009
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** C130942 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** ZUCKERBURG GENERAL HOSPITAL, 1001 PROTERO AVENUE, San Francisco, CA 94110
- **Phone:** (415) 206-2403
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): City & County Of San Francisco (NPI 1083648810, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1326013442, San Francisco, CA); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** July 17, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1912137951) · Data from the CMS NPPES public registry.