Youning Zhang, M.D.
NPI 1881057222 · Ophthalmology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Youning Zhang, M.D. is a Ophthalmology Physician provider in San Francisco, CA (NPI 1881057222).
Provider details
- NPI number
- 1881057222
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- #BLANK (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 67 | 30 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 30 | 12 |
| Ketorolac Tromethamine | 30 | 14 |
| Brimonidine Tartrate | 29 | 11 |
| Latanoprost | 27 | — |
| Cyclosporine | 19 | — |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 19 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$436 across 5 records (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)
- 1200 N State StLos Angeles, CA 90089-1001Phone: (323) 226-7556Fax: (323) 226-2657
Registry dates
- Enumerated
- 2016-04-02
- Last updated
- 2023-09-26
- Certified
- 2023-02-28
Frequently asked questions
- What is Youning Zhang's NPI number?
- Youning Zhang's National Provider Identifier (NPI) is 1881057222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Youning Zhang's specialty?
- Youning Zhang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Youning Zhang located?
- Youning Zhang's practice location on file with NPPES is 8 Koret Way, San Francisco, CA 94143-2218.
- What is Youning Zhang's phone number?
- The practice phone number listed in the NPPES registry for Youning Zhang is (415) 514-6920.
- Does Youning Zhang accept Medicare?
- Youning Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Youning Zhang's NPI active?
- Yes — Youning Zhang's NPI (1881057222) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.