KATHERINE MARIE NIEMEYER MD
NPI 1972007318
Ophthalmology in San Francisco, CA
About Katherine Marie Niemeyer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE MARIE NIEMEYER MD (NPI 1972007318) is an individual ophthalmology provider in San Francisco, California, licensed in California (A180010) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Icahn School Of Medicine At Mount Sinai (2018).
NPPES Registry Identity
Specialties & Licenses
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
Katherine Marie Niemeyer Md 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
5Medicare enrollment records show Katherine Niemeyer reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1760457816 (California)
- 842 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Katherine Niemeyer's NPI number?
The NPI number for Katherine Niemeyer is 1972007318. It was assigned to this individual provider in the NPPES registry on March 21, 2018.
Where is Katherine Niemeyer located?
Katherine Niemeyer practices at 490 Illinois St Fl 5, San Francisco, CA 94143. The listed phone number is (415) 476-1152.
What is Katherine Niemeyer's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Katherine Niemeyer enrolled in Medicare?
Yes. Katherine Niemeyer 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 Katherine Niemeyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Niemeyer reassigns Medicare benefits to 5 organizations: University Of California Sfgh Medical Group (San Francisco, CA), Regents Of The University Of California (San Francisco, CA), Permanente Medical Group Inc (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Katherine Niemeyer'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 Katherine Niemeyer was last updated on August 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Katherine Marie Niemeyer, MD · NPI 1972007318
Ophthalmology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 21, 2018.
## Identity
- **NPI:** 1972007318 (Entity type: Individual)
- **Enumerated:** March 21, 2018
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A180010 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 490 ILLINOIS ST FL 5, San Francisco, CA 94143-2510
- **Phone:** (415) 476-1152
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): University Of California Sfgh Medical Group (NPI 1174598296, San Francisco, CA); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2018
## Record status
- **NPPES last updated:** August 5, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1972007318) · Data from the CMS NPPES public registry.