Janet Chen, M.D,
Ophthalmology Physician · Pismo Beach, CA
Janet Chen, M.D, is an ophthalmology physician with a practice address in Pismo Beach, California, and NPI 1366404469, issued on Apr 4, 2006. Check the license (California G69459, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janet Chen
- Credential
- M.D,
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G69459 CA
Self-reported in NPPES; status is on the state search - Practice location
- 921 Oak Park Blvd, Pismo Beach, CA 93449
- Phone
- (805) 489-8286
- Enumerated
- Apr 4, 2006
- Record last updated
- Jul 6, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (805) 489-7376
- Medicaid ID
- 00G694590 CA
- Medicare enrollment
- Enrolled (PECOS I20120514000161); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1989
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 921 Oak Park Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clifford Gelman, MDSurgery Physician1083688782
- Terry Kaiura, M.D.Ophthalmology Physician1619924933
- Michael Laird, M.D.Orthopaedic Surgery Physician1609953892
- Farah Mansuri, M.D.Surgery Physician1154580702
- Eric Salinger, MDSurgery Physician1700038536
Verify Janet Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G69459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,006 Medicare Part D claims for 201 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Latanoprost208 claims
- Dorzolamide-Timolol185 claims
- Prednisolone Acetate90 claims
- Timolol Maleate63 claims
- Moxifloxacin60 claims
- Brimonidine Tartrate54 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Hayashi Medical CorporationPismo Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janet Chen among 2,899 ophthalmology physician records in California
Janet Chen, M.D, 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
- Graduated1989 · median 2001 among the 1,907 with a school on file
- Record last updated2017 · 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).
4 ophthalmology physician records list a practice address in Pismo Beach
They are 4 of the 240 NPPES records with a practice address in Pismo Beach, and 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Pismo Beach → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Terry Kaiura, M.D.Pismo Beach, CA 934491619924933
- Craig Merrill, M.D.Pismo Beach, CA 934491528060746
- Sharon Theodore, M.D.Pismo Beach, CA 934491831145739
- Ahmad Amir, M.D.Santa Maria, CA 934541851393086
- Stephen Bylsma, M.D.Santa Maria, CA 934541265435325
- John Cotter, MDSanta Maria, CA 934541124021746
- Andrew Goldstein, MDSanta Maria, CA 934541841812575
- Randall Goodman, MDSanta Maria, CA 934541891788436
Common questions
What is Janet Chen, M.D,'s NPI number?
Janet Chen, M.D,'s National Provider Identifier (NPI) is 1366404469, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janet Chen, M.D, located?
The NPPES record lists a practice address at 921 Oak Park Blvd, Pismo Beach, CA, 93449. Phone: (805) 489-8286. Providers update this record themselves, so call before visiting.
How can I verify Janet Chen, M.D,'s license?
NPPES lists California license number G69459, 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 Chen, M.D, prescribe under Medicare Part D?
In 2024, Janet Chen, M.D, had 1,006 Medicare Part D claims for 201 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Janet Chen, M.D,'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.