Doctor profile · Federal record

Dr. Daniel Chrobak

Internal Medicine Physician · San Francisco, CA

  • NPI 1053638106
  • 16 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4900 California St
San Francisco, CA 941181115
(415) 750-9894

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
May 25, 2014
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A119356

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053638106. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
1
Medicare allowed
$8,647
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 44 43 $197

In context: peer comparison

Among 236 peers in this city , average services per provider: 93. This provider delivers 0.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Chrobak's medical specialty?
Dr. Daniel Chrobak practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Daniel Chrobak practice?
Dr. Daniel Chrobak practices at 4900 California St, San Francisco, CA 941181115. Office phone: 4157509894.
What is Dr. Daniel Chrobak's NPI?
Dr. Daniel Chrobak's National Provider Identifier (NPI) is 1053638106, issued by NPPES.
What procedures does Dr. Daniel Chrobak commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.