Janet Chen, M.D,
NPI 1366404469 · Ophthalmology Physician · Pismo Beach, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janet Chen, M.D, is a Ophthalmology Physician provider in Pismo Beach, CA (NPI 1366404469).
Provider details
- NPI number
- 1366404469
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D,
- Sex
- Female
- Sole proprietor
- No
- License
- G69459 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,392 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 873 | $133 |
| Imaging of Optic Nerve92133 | 276 | $38 |
| Imaging of Retina92134 | 253 | $43 |
| Established Patient Problem Focused Exam of Visual System92012 | 220 | $94 |
| Exam of the Internal Drainage System of Eye92020 | 194 | $28 |
| Exam of Visual Field With Extended Testing92083 | 172 | $68 |
| Ultrasound Scan of Cornea to Determine Thickness76514 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 208 | 52 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 185 | 75 |
| Prednisolone Acetate | 90 | 39 |
| Timolol Maleate | 63 | 25 |
| Moxifloxacin Hclbrand: Moxifloxacin | 60 | 47 |
| Brimonidine Tartrate | 54 | 19 |
| Difluprednate | 37 | 25 |
| Cyclosporine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-04
- Last updated
- 2017-07-06
Frequently asked questions
- What is Janet Chen's NPI number?
- Janet Chen's National Provider Identifier (NPI) is 1366404469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Chen's specialty?
- Janet Chen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Janet Chen located?
- Janet Chen's practice location on file with NPPES is 921 Oak Park Blvd, Pismo Beach, CA 93449-3264.
- What is Janet Chen's phone number?
- The practice phone number listed in the NPPES registry for Janet Chen is (805) 489-8286.
- Does Janet Chen accept Medicare?
- Janet Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janet Chen's NPI active?
- Yes — Janet Chen's NPI (1366404469) is active in the NPPES registry as of the last update on 2017-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.