Katherine Niemeyer, MD
NPI 1972007318 · Ophthalmology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Niemeyer, MD is a Ophthalmology Physician provider in San Francisco, CA (NPI 1972007318).
Provider details
- NPI number
- 1972007318
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A180010 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 165 | 105 |
| Latanoprost | 148 | 76 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 88 | 35 |
| Timolol Maleate | 83 | 30 |
| Brimonidine Tartrate | 59 | 30 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 46 | 36 |
| Erythromycin Basebrand: Erythromycin | 34 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$148 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1001 Potrero AvenueBuilding 5, 4mSan Francisco, CA 94110Phone: (415) 206-8304
Registry dates
- Enumerated
- 2018-03-21
- Last updated
- 2022-08-05
- Certified
- 2022-08-05
Frequently asked questions
- What is Katherine Niemeyer's NPI number?
- Katherine Niemeyer's National Provider Identifier (NPI) is 1972007318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Niemeyer's specialty?
- Katherine Niemeyer is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Niemeyer located?
- Katherine Niemeyer's practice location on file with NPPES is 490 Illinois St Fl 5, San Francisco, CA 94143-2510.
- What is Katherine Niemeyer's phone number?
- The practice phone number listed in the NPPES registry for Katherine Niemeyer is (415) 476-1152.
- Does Katherine Niemeyer accept Medicare?
- Katherine Niemeyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Niemeyer's NPI active?
- Yes — Katherine Niemeyer's NPI (1972007318) is active in the NPPES registry as of the last update on 2022-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.