MICHELLE RYBKA
NPI 1093169336
Pediatrics in San Francisco, CA
About Michelle Rybka NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE RYBKA (NPI 1093169336) is an individual pediatrics provider in San Francisco, California, licensed in California (A156824) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of University Of Colorado School Of Medicine, Denver (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Michelle Rybka 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
4Medicare enrollment records show Michelle Rybka reassigns Medicare billing to 4 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 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 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
SAN FRANCISCO, CA 94143
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 Michelle Rybka's NPI number?
The NPI number for Michelle Rybka is 1093169336. It was assigned to this individual provider in the NPPES registry on April 22, 2016.
Where is Michelle Rybka located?
Michelle Rybka practices at 550 16th St 4th Floor, 4551, Box 0110, San Francisco, CA 94143. The listed phone number is (415) 476-6245.
What is Michelle Rybka's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Michelle Rybka enrolled in Medicare?
Yes. Michelle Rybka 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 Michelle Rybka's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Rybka reassigns Medicare benefits to 4 organizations: Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Michelle Rybka'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 Michelle Rybka was last updated on December 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Michelle Rybka · NPI 1093169336
Pediatrics physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 22, 2016.
## Identity
- **NPI:** 1093169336 (Entity type: Individual)
- **Enumerated:** April 22, 2016
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A156824 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 550 16TH ST, 4TH FLOOR, 4551, BOX 0110, San Francisco, CA 94143-2549
- **Phone:** (415) 476-6245
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Denver, class of 2016
## Record status
- **NPPES last updated:** December 2, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1093169336) · Data from the CMS NPPES public registry.