MITCHELL M. ADACHI MD
NPI 1720166366
Pathology - Anatomic Pathology in San Francisco, CA
About Mitchell M. Adachi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MITCHELL M. ADACHI MD (NPI 1720166366) is an individual anatomic pathology provider in San Francisco, California, licensed in California (G80647) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mitchell M. Adachi Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mitchell Adachi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94115 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 FRANCISCO, CA 94115
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 Mitchell Adachi's NPI number?
The NPI number for Mitchell Adachi is 1720166366. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Mitchell Adachi located?
Mitchell Adachi practices at 2200 Ofarrell St, San Francisco, CA 94115. The listed phone number is (415) 833-2000.
What is Mitchell Adachi's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.
Is Mitchell Adachi enrolled in Medicare?
Yes. Mitchell Adachi is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mitchell Adachi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mitchell Adachi reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, CA). 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 Mitchell Adachi'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 Mitchell Adachi was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mitchell M. Adachi, MD · NPI 1720166366
Anatomic Pathology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1720166366 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Pathology - Anatomic Pathology · taxonomy 207ZP0101X
- **State license:** G80647 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2200 OFARRELL ST, San Francisco, CA 94115-3357
- **Phone:** (415) 833-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 13, 2021
- **Other identifiers:** Medicaid 00G806470 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1720166366) · Data from the CMS NPPES public registry.