Samuel Brondfield, M.D.
NPI 1063754448 · Hematology & Oncology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Brondfield, M.D. is a Hematology & Oncology Physician provider in San Francisco, CA (NPI 1063754448).
Provider details
- NPI number
- 1063754448
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A132415 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
139 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 52 | $132 |
| Telephone, Internet, Or Electronic Health Record Assessment and Management With Written Report By Consulting Physician, at Least 5 Minutes99451 | 45 | $39 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 42 | $192 |
Typical Medicare-allowed amounts for these services range $39–$192 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-23
- Last updated
- 2025-01-29
- Certified
- 2025-01-29
Frequently asked questions
- What is Samuel Brondfield's NPI number?
- Samuel Brondfield's National Provider Identifier (NPI) is 1063754448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Brondfield's specialty?
- Samuel Brondfield is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Brondfield located?
- Samuel Brondfield's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-2204.
- What is Samuel Brondfield's phone number?
- The practice phone number listed in the NPPES registry for Samuel Brondfield is (415) 476-9000.
- Does Samuel Brondfield accept Medicare?
- Samuel Brondfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Brondfield's NPI active?
- Yes — Samuel Brondfield's NPI (1063754448) is active in the NPPES registry as of the last update on 2025-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.