Doctor profile · Federal record

Dr. Brian Block, MD

Internal Medicine Physician (CMS: Pulmonary Disease) · San Francisco, CA

  • NPI 1407114044
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1001 Potrero Ave Rm 5K1
San Francisco, CA 941103518
(415) 206-8494
Mailing address
513 Parnassus Ave, Hse 1314
San Francisco, CA 941433720

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
October 17, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A142233

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407114044. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
987
Distinct HCPCS
10
Medicare allowed
$79,971
HCPCS Description Services Patients Avg allowed
94010 Test to measure expiratory airflow and volume 284 259 $9
94729 Test to examine how well the lungs exchange gases 165 162 $10
99215 Established patient office or other outpatient visit, 40-54 minutes 150 89 $161
99291 Critical care, first 30-74 minutes 116 57 $237
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 69 38 $35
99205 New patient office or other outpatient visit, 60-74 minutes 48 48 $203
94618 Test for exercise-induced lung stress 37 37 $25
99214 Established patient office or other outpatient visit, 30-39 minutes 34 33 $110
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 22 15 $135
99292 Critical care, each additional 30 minutes 18 11 $119

In context: peer comparison

Among 236 peers in this city , average services per provider: 93. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
222
Patients
22
Total drug cost
$131,058
Drug Type Claims Patients Total cost
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 38 0 $21,957
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 33 11 $31,166
Xolair (Omalizumab) Brand 22 0 $46,845
Prednisone Generic 20 0 $170
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 11 $233
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 13 0 $8,960
Ventolin Hfa (Albuterol Sulfate) Brand 13 0 $789
Eliquis (Apixaban) Brand 12 0 $7,241
Incruse Ellipta (Umeclidinium Bromide) Brand 12 0 $5,921
Symbicort (Budesonide/Formoterol Fumarate) Brand 12 0 $5,395

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Block's medical specialty?
Dr. Brian Block practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Brian Block practice?
Dr. Brian Block practices at 1001 Potrero Ave Rm 5K1, San Francisco, CA 941103518. Office phone: 4152068494.
What is Dr. Brian Block's NPI?
Dr. Brian Block's National Provider Identifier (NPI) is 1407114044, issued by NPPES.
Does Dr. Brian Block accept Medicare assignment?
Yes. Dr. Brian Block accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Block commonly perform?
Top Medicare-reported procedures in 2023: Test to measure expiratory airflow and volume (HCPCS 94010); Test to examine how well the lungs exchange gases (HCPCS 94729); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.