Thu Lewin, FNP
NPI 1356692958 · Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thu Lewin, FNP is a Nurse Practitioner provider in San Francisco, CA (NPI 1356692958).
Provider details
- NPI number
- 1356692958
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95018271 (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 tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
250 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 87 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $92 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 45 | $16 |
| Admn Sarscov2 Vacc 1 Dose90480 | 19 | $52 |
| Administration of Influenza Virus VaccineG0008 | 16 | $39 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 47 | 20 |
| Atorvastatin Calcium | 43 | 16 |
| Losartan Potassium | 24 | — |
| Diclofenac Sodium | 22 | — |
| Hydrochlorothiazide | 16 | — |
| Metformin Hcl | 15 | — |
| Clindamycin Phosphate | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$282 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-09-24
- Last updated
- 2025-11-20
- Certified
- 2025-11-20
Frequently asked questions
- What is Thu Lewin's NPI number?
- Thu Lewin's National Provider Identifier (NPI) is 1356692958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thu Lewin's specialty?
- Thu Lewin is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Thu Lewin located?
- Thu Lewin's practice location on file with NPPES is 1580 Valencia St, San Francisco, CA 94110-4423.
- What is Thu Lewin's phone number?
- The practice phone number listed in the NPPES registry for Thu Lewin is (415) 600-5400.
- Does Thu Lewin accept Medicare?
- Thu Lewin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thu Lewin's NPI active?
- Yes — Thu Lewin's NPI (1356692958) is active in the NPPES registry as of the last update on 2025-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.