KENSHO IWANAGA MD, MS
NPI 1710146543
Pediatrics in San Francisco, CA
About Kensho Iwanaga Md, Ms NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KENSHO IWANAGA MD, MS (NPI 1710146543) is an individual pediatrics provider in San Francisco, California, licensed in California (A102487) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Kensho Iwanaga Md, Ms 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
3Medicare enrollment records show Kensho Iwanaga reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 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 94143 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 94143
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 Kensho Iwanaga's NPI number?
The NPI number for Kensho Iwanaga is 1710146543. It was assigned to this individual provider in the NPPES registry on June 6, 2008.
Where is Kensho Iwanaga located?
Kensho Iwanaga practices at 521 Parnassus Ave C344, San Francisco, CA 94143. The listed phone number is (415) 476-2072.
What is Kensho Iwanaga's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Kensho Iwanaga enrolled in Medicare?
Yes. Kensho Iwanaga 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 Kensho Iwanaga's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kensho Iwanaga reassigns Medicare benefits to 3 organizations: Ucsf Pediatrics Associates (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Of California San Francisco (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 Kensho Iwanaga'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 Kensho Iwanaga was last updated on September 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Kensho Iwanaga, MD, MS · NPI 1710146543
Pediatrics physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 6, 2008.
## Identity
- **NPI:** 1710146543 (Entity type: Individual)
- **Enumerated:** June 6, 2008
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A102487 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 521 PARNASSUS AVE, C344, San Francisco, CA 94143-0632
- **Phone:** (415) 476-2072 · **Fax:** (415) 476-9278
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 2006
## Record status
- **NPPES last updated:** September 13, 2013
- **Other identifiers:** Other HE363Y (CA); Medicaid 1710146543 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1710146543) · Data from the CMS NPPES public registry.