IRA CARL CHAN M.D.
NPI 1972618866
Obstetrics & Gynecology in Sunnyvale, CA
About Ira Carl Chan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRA CARL CHAN M.D. (NPI 1972618866) is an individual obstetrics & gynecology provider in Sunnyvale, California, licensed in California (G133888) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 6
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
Ira Carl Chan 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 Reassignment
Medicare enrollment records show Ira Chan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mountain View, CA 94040
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1013950807 (California), NPI 1104067115 (California)
- 373 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 94086 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.
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 Ira Chan's NPI number?
The NPI number for Ira Chan is 1972618866. It was assigned to this individual provider in the NPPES registry on August 20, 2006.
Where is Ira Chan located?
Ira Chan practices at 301 Old San Francisco Rd, Sunnyvale, CA 94086. The listed phone number is (408) 730-4240.
What is Ira Chan's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ira Chan enrolled in Medicare?
Yes. Ira Chan 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 Ira Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ira Chan reassigns Medicare benefits to Sutter Bay Medical Foundation (Mountain View, 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 Ira Chan'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 Ira Chan was last updated on March 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.
# Ira Carl Chan, M.D. · NPI 1972618866
Obstetrics & Gynecology physician in Sunnyvale, California. Individual provider, active in the CMS NPPES registry since August 20, 2006.
## Identity
- **NPI:** 1972618866 (Entity type: Individual)
- **Enumerated:** August 20, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** G133888 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 OLD SAN FRANCISCO RD, Sunnyvale, CA 94086-6386
- **Phone:** (408) 730-4240
## 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:** Sutter Bay Medical Foundation (NPI 1982845186, Mountain View, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Stony Brook, School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** March 17, 2018
- **Other identifiers:** Other J31017 (MA); Other 603957 (MA); Other 34650 (MA); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1972618866) · Data from the CMS NPPES public registry.