Doctor profile · Federal record

Dr. Catherine Firestein, MD, MPH

Hospitalist Physician (CMS: Hospitalist) · San Diego, CA

  • NPI 1427348382
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039000
(800) 926-8273
Mailing address
Po Box 232410
San Diego, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
August 22, 2019
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A143013
Medicaid (2)
MS #00780010 · LA #2146742

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427348382. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
408
Distinct HCPCS
5
Medicare allowed
$43,129
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 185 85 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 149 74 $123
99239 Hospital discharge day management, more than 30 minutes 38 38 $119
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $179
99238 Hospital discharge day management, 30 minutes or less 14 14 $84

In context: peer comparison

Among 58 peers in San Diego Hospitalist Physician, average services per provider: 101. This provider delivers 4.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Firestein's medical specialty?
Dr. Catherine Firestein practices Hospitalist Physician in San Diego, CA.
Where does Dr. Catherine Firestein practice?
Dr. Catherine Firestein practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 8009268273.
What is Dr. Catherine Firestein's NPI?
Dr. Catherine Firestein's National Provider Identifier (NPI) is 1427348382, issued by NPPES.
Does Dr. Catherine Firestein accept Medicare assignment?
Yes. Dr. Catherine Firestein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Firestein commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.