Jennifer Diehn, MD
NPI 1295813798 · Ophthalmology Physician · Daly City, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Diehn, MD is a Ophthalmology Physician provider in Daly City, CA (NPI 1295813798).
Provider details
- NPI number
- 1295813798
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A84115 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 314 | 121 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 146 | 49 |
| Erythromycin Basebrand: Erythromycin | 77 | 47 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 68 | 55 |
| Timolol Maleate | 56 | 22 |
| Brimonidine Tartrate | 43 | 15 |
| Dexamethasone Sodium Phosphate | 37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-22
Frequently asked questions
- What is Jennifer Diehn's NPI number?
- Jennifer Diehn's National Provider Identifier (NPI) is 1295813798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Diehn's specialty?
- Jennifer Diehn is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Diehn located?
- Jennifer Diehn's practice location on file with NPPES is 395 Hickey Blvd, Daly City, CA 94015-2770.
- What is Jennifer Diehn's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Diehn is (650) 742-2000.
- Does Jennifer Diehn accept Medicare?
- Jennifer Diehn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Diehn's NPI active?
- Yes — Jennifer Diehn's NPI (1295813798) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.