Florence Tso, MD
NPI 1821176611 · Internal Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Florence Tso, MD is a Internal Medicine Physician provider in Oakland, CA (NPI 1821176611).
Provider details
- NPI number
- 1821176611
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A60665 (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 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 429 | 76 |
| Furosemide | 278 | 37 |
| Amlodipine Besylate | 207 | 41 |
| Levothyroxine Sodium | 161 | 23 |
| Potassium Chloride | 160 | 28 |
| Gabapentin | 142 | 31 |
| Famotidine | 139 | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-13
Frequently asked questions
- What is Florence Tso's NPI number?
- Florence Tso's National Provider Identifier (NPI) is 1821176611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Florence Tso's specialty?
- Florence Tso is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Florence Tso located?
- Florence Tso's practice location on file with NPPES is 275 W Macarthur Blvd, Oakland, CA 94611-5641.
- What is Florence Tso's phone number?
- The practice phone number listed in the NPPES registry for Florence Tso is (510) 752-1000.
- Does Florence Tso accept Medicare?
- Florence Tso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Florence Tso's NPI active?
- Yes — Florence Tso's NPI (1821176611) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.