Joann Lin
NPI 1790438208 · Primary Care Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joann Lin is a Primary Care Nurse Practitioner provider in San Francisco, CA (NPI 1790438208).
Provider details
- NPI number
- 1790438208
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 2021083794 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 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
962 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 185 | $6 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 142 | $6 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 135 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 122 | $13 |
| Hemoglobin A1c Level83036 | 83 | $10 |
| Colorectal Cancer Screening; Fecal Occult Blood Test, Immunoassay, 1-3 SimultaneousG0328 | 53 | $18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 597 | 180 |
| Amlodipine Besylate | 375 | 113 |
| Losartan Potassium | 346 | 104 |
| Metformin Hcl | 189 | 57 |
| Empagliflozinbrand: Jardiance | 98 | 24 |
| Fluticasone Propionate | 94 | 46 |
| Simvastatin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-02-03
- Last updated
- 2023-03-08
- Certified
- 2023-03-08
Frequently asked questions
- What is Joann Lin's NPI number?
- Joann Lin's National Provider Identifier (NPI) is 1790438208, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joann Lin's specialty?
- Joann Lin is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joann Lin located?
- Joann Lin's practice location on file with NPPES is 1520 Stockton St, San Francisco, CA 94133-3354.
- What is Joann Lin's phone number?
- The practice phone number listed in the NPPES registry for Joann Lin is (415) 391-9686.
- Does Joann Lin accept Medicare?
- Joann Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joann Lin's NPI active?
- Yes — Joann Lin's NPI (1790438208) is active in the NPPES registry as of the last update on 2023-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.