Janet L. Hwang, MD
Ophthalmology Physician · Richmond, CA
Janet L. Hwang, MD is an ophthalmology physician with a practice address in Richmond, California, and NPI 1528143286, issued on Oct 25, 2006. Check the license (California A73404, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janet L. Hwang
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A73404 CA
Self-reported in NPPES; status is on the state search - Practice location
- 901 Nevin Ave, Richmond, CA 94801
- Phone
- (510) 307-1500
- Enumerated
- Oct 25, 2006
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A734040 CA
- Medicare enrollment
- Enrolled (PECOS I20041229000748); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 901 Nevin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samina Agha, MDHospitalist Physician1548345200
- Jessica Alfonso, RRTRegistered Respiratory Therapist1295507598
Verify Janet L. Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A73404Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average ophthalmology physician in 2024
1,686 Medicare Part D claims for 484 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Latanoprost415 claims
- Dorzolamide-Timolol224 claims
- Timolol Maleate196 claims
- Brimonidine Tartrate145 claims
- Prednisolone Acetate113 claims
- Erythromycin91 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.
Bills Medicare through one group practice
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janet L. Hwang among 2,899 ophthalmology physician records in California
Janet L. Hwang, MD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1999 · median 2001 among the 1,907 with a school on file
- Record last updated2021 · 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 Richmond → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ra-Chel Jordan-Moore, MDRichmond, CA 948011649355314
- Hester Lee, MDRichmond, CA 948011538111026
- Eddy Tamura, MDRichmond, CA 948011790860450
- John Gilman, MDBerkeley, CA 947071215279567
- Rebecca Janik, M.D.Berkeley, CA 947051518223080
- Myron Lee, M.D.Berkeley, CA 947051215023395
- Robert Sorenson, M.D.Berkeley, CA 947051235220799
- Andrew Sorenson, M.D.Berkeley, CA 947051326139981
Common questions
What is Janet L. Hwang, MD's NPI number?
Janet L. Hwang, MD's National Provider Identifier (NPI) is 1528143286, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janet L. Hwang, MD located?
The NPPES record lists a practice address at 901 Nevin Ave, Richmond, CA, 94801. Phone: (510) 307-1500. Providers update this record themselves, so call before visiting.
How can I verify Janet L. Hwang, MD's license?
NPPES lists California license number A73404, 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 Janet L. Hwang, MD prescribe under Medicare Part D?
In 2024, Janet L. Hwang, MD had 1,686 Medicare Part D claims for 484 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.