Bertrand Tuan, M.D.
NPI 1578632980 · Specialist · San Francisco, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bertrand Tuan, M.D. is a Specialist provider in San Francisco, CA (NPI 1578632980).
Provider details
- NPI number
- 1578632980
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G78339 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
4,026 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 946 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 845 | $153 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 402 | $18 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 323 | $175 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 192 | $36 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 187 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyurea | 142 | 31 |
| Darbepoetin Alfa in Polysorbatbrand: Aranesp | 137 | 30 |
| Apixabanbrand: Eliquis | 122 | 22 |
| Acalabrutinib Maleatebrand: Calquence | 80 | — |
| Acyclovir | 76 | 16 |
| Romiplostimbrand: Nplate | 71 | — |
| Daratumumab-Hyaluronidase-Fihjbrand: Darzalex Faspro | 58 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,051 across 79 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
- 2006-11-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Bertrand Tuan's NPI number?
- Bertrand Tuan's National Provider Identifier (NPI) is 1578632980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bertrand Tuan's specialty?
- Bertrand Tuan is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Bertrand Tuan located?
- Bertrand Tuan's practice location on file with NPPES is 2100 Webster St Ste 225, San Francisco, CA 94115-2376.
- What is Bertrand Tuan's phone number?
- The practice phone number listed in the NPPES registry for Bertrand Tuan is (415) 923-3012.
- Does Bertrand Tuan accept Medicare?
- Bertrand Tuan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bertrand Tuan's NPI active?
- Yes — Bertrand Tuan's NPI (1578632980) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.