DR. CURTIS YOSHIHIRO MAEHARA MD
NPI 1669000139
Internal Medicine - Critical Care Medicine in San Francisco, CA
About Dr. Curtis Yoshihiro Maehara Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CURTIS YOSHIHIRO MAEHARA MD (NPI 1669000139) is an individual critical care medicine provider in San Francisco, California, licensed in California (A186827) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth University, School Of Medicine (2020).
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. Curtis Yoshihiro Maehara 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
2Medicare enrollment records show Curtis Maehara reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 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 94109 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
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 Curtis Maehara's NPI number?
The NPI number for Curtis Maehara is 1669000139. It was assigned to this individual provider in the NPPES registry on March 31, 2020.
Where is Curtis Maehara located?
Curtis Maehara practices at 1100 Van Ness Ave Ste 1005, San Francisco, CA 94109. The listed phone number is (415) 923-3421.
What is Curtis Maehara's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Curtis Maehara enrolled in Medicare?
Yes. Curtis Maehara 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 Curtis Maehara's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Curtis Maehara reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (San Francisco, CA) and Sutter Bay Medical Foundation (Orinda, 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 Curtis Maehara'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 Curtis Maehara was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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. Curtis Yoshihiro Maehara, MD · NPI 1669000139
Critical Care Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 31, 2020.
## Identity
- **NPI:** 1669000139 (Entity type: Individual)
- **Enumerated:** March 31, 2020
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** A186827 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 VAN NESS AVE STE 1005, San Francisco, CA 94109-6980
- **Phone:** (415) 923-3421
## 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): Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA); Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Virginia Commonwealth University, School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** August 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1669000139) · Data from the CMS NPPES public registry.