HEYMAN OO
NPI 1285052514
Pediatrics in San Francisco, CA
About Heyman Oo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEYMAN OO (NPI 1285052514) is an individual pediatrics provider in San Francisco, California, licensed in California (A139832) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS.
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 (PECOS)
Heyman Oo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Heyman Oo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 637 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94143
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 Heyman Oo's NPI number?
The NPI number for Heyman Oo is 1285052514. It was assigned to this individual provider in the NPPES registry on April 3, 2014.
Where is Heyman Oo located?
Heyman Oo practices at 505 Parnassus Box 0110, San Francisco, CA 94143. The listed phone number is (510) 449-1644.
What is Heyman Oo's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Heyman Oo enrolled in Medicare?
Yes. Heyman Oo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Heyman Oo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heyman Oo reassigns Medicare benefits to University Of California Sfgh Medical Group (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 Heyman Oo'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 Heyman Oo was last updated on June 27, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.