Lily Zhang
Ophthalmology Physician · Walnut Creek, CA
Lily Zhang is an ophthalmology physician with a practice address in Walnut Creek, California, and NPI 1043771850, issued on Mar 26, 2019. Check the license (California A196991, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lily Zhang
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A196991 CA
Self-reported in NPPES; status is on the state search - Practice location
- 365 Lennon LN Ste 210, Walnut Creek, CA 94598
- Phone
- (925) 947-0888
- Enumerated
- Mar 26, 2019
- Record last updated
- Jan 7, 2026
- Medicare enrollment
- Enrolled (PECOS I20241015002167); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 365 Lennon LN Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shaily Shah, M.D.Ophthalmology Physician1518386663
Verify Lily Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A196991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average ophthalmology physician in 2024
747 Medicare Part D claims for 308 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Prednisolone Acetate156 claims
- Moxifloxacin85 claims
- Ketorolac Tromethamine54 claims
- Dorzolamide-Timolol52 claims
- Latanoprost46 claims
- Polymyxin B Sul-Trimethoprim45 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $954.73
16 payments; by number, the most common kind was food and beverage; the largest payer was Ani Pharmaceuticals, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northern California Cornea Associates IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lily Zhang among 2,899 ophthalmology physician records in California
Lily Zhang is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2001 among the 1,907 with a school on file
- Record last updated2026 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Walnut Creek → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- David Demartini, M.D.Walnut Creek, CA 945981437134855
- James Dowling, M.D.Walnut Creek, CA 945981891757506
- Vahid Feiz, M.D.Walnut Creek, CA 945981083698732
- David Gilbert, MDWalnut Creek, CA 945981033297536
- Jenny Jacq, MDWalnut Creek, CA 945981477508927
- Ethan Kutzscher, MDWalnut Creek, CA 945981700881661
- Michelle Nee, MDWalnut Creek, CA 945981093893182
- Stephanie Po, MDWalnut Creek, CA 945981003994187
Common questions
What is Lily Zhang's NPI number?
Lily Zhang's National Provider Identifier (NPI) is 1043771850, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Lily Zhang located?
The NPPES record lists a practice address at 365 Lennon LN Ste 210, Walnut Creek, CA, 94598. Phone: (925) 947-0888. Providers update this record themselves, so call before visiting.
How can I verify Lily Zhang's license?
NPPES lists California license number A196991, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lily Zhang prescribe under Medicare Part D?
In 2024, Lily Zhang had 747 Medicare Part D claims for 308 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.