MISS SHIRLEY ITING LOUIE F.N.P.
NPI 1619365384
Nurse Practitioner - Family in San Francisco, CA
About Miss Shirley Iting Louie F.n.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MISS SHIRLEY ITING LOUIE F.N.P. (NPI 1619365384) is an individual family provider in San Francisco, California, licensed in California (NP95001877) and active in the NPI registry since January 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Mill Valley, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Miss Shirley Iting Louie F.n.p. 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 Shirley Louie 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 94111
- Reassigned Medicare billing, California enrollment
- 291 clinicians in this Medicare group
Lancaster, CA 93535
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of Los Angeles
- 1,939 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94114 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94114
SAN FRANCISCO, CA 94114
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 Shirley Louie's NPI number?
The NPI number for Shirley Louie is 1619365384. It was assigned to this individual provider in the NPPES registry on January 5, 2015. The provider is also known as Miss Shirley I-Ting Hsu F.N.P..
Where is Shirley Louie located?
Shirley Louie practices at 2175 Market St, San Francisco, CA 94114. The listed phone number is (888) 663-6331.
What is Shirley Louie's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Shirley Louie enrolled in Medicare?
Yes. Shirley Louie 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 Shirley Louie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shirley Louie reassigns Medicare benefits to 2 organizations: One Medical Group, Inc. (San Francisco, CA) and County Of Los Angeles Auditor Controller (Lancaster, 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 Shirley Louie'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 Shirley Louie was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Miss Shirley Iting Louie, F.N.P. · NPI 1619365384
Family physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since January 5, 2015.
## Identity
- **NPI:** 1619365384 (Entity type: Individual)
- **Enumerated:** January 5, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** NP95001877 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2175 MARKET ST, San Francisco, CA 94114-1474
- **Phone:** (888) 663-6331 · **Fax:** (415) 252-7176
## 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): One Medical Group, Inc. (NPI 1467781641, San Francisco, CA); County Of Los Angeles Auditor Controller (NPI 1366453045, Lancaster, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** March 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1619365384) · Data from the CMS NPPES public registry.