Brian Block, MD
NPI 1407114044 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Block, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1407114044).
Provider details
- NPI number
- 1407114044
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A142233 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
1,008 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) |
|---|---|---|
| Test to Measure Expiratory Airflow and Volume94010 | 190 | $9 |
| 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 | 190 | $19 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 181 | $162 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 103 | $10 |
| Critical Care, First 30-74 Minutes99291 | 101 | $231 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 54 | 23 |
| Tiotropium Br/Olodaterol Hclbrand: Stiolto Respimat | 50 | 11 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 42 | — |
| Prednisone | 31 | 13 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 30 | — |
| Montelukast Sodium | 30 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-02
- Last updated
- 2018-10-17
Frequently asked questions
- What is Brian Block's NPI number?
- Brian Block's National Provider Identifier (NPI) is 1407114044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Block's specialty?
- Brian Block is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Block located?
- Brian Block's practice location on file with NPPES is 1001 Potrero Ave Rm 5k1, San Francisco, CA 94110-3518.
- What is Brian Block's phone number?
- The practice phone number listed in the NPPES registry for Brian Block is (415) 206-8494.
- Does Brian Block accept Medicare?
- Brian Block is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Block's NPI active?
- Yes — Brian Block's NPI (1407114044) is active in the NPPES registry as of the last update on 2018-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.