Doctor profile · Federal record

Dr. Peter Marshall, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Los Angeles, CA

  • NPI 1740252626
  • Accepts Medicare
  • 31 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1520 San Pablo St Ste 1000
Los Angeles, CA 900335312
(323) 442-5100
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
November 27, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (2)
California #C161689 · Pennsylvania #MD426543
Medicaid
PA #1014069990001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740252626. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
178
Distinct HCPCS
3
Medicare allowed
$28,553
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 83 44 $126
99291 Critical care, first 30-74 minutes 72 28 $224
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 23 17 $84

In context: peer comparison

Among 45 peers in Los Angeles Pulmonary Disease Physician, average services per provider: 206. This provider delivers 0.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Marshall's medical specialty?
Dr. Peter Marshall practices Pulmonary Disease Physician in Los Angeles, CA.
Where does Dr. Peter Marshall practice?
Dr. Peter Marshall practices at 1520 San Pablo St Ste 1000, Los Angeles, CA 900335312. Office phone: 3234425100.
What is Dr. Peter Marshall's NPI?
Dr. Peter Marshall's National Provider Identifier (NPI) is 1740252626, issued by NPPES.
Does Dr. Peter Marshall accept Medicare assignment?
Yes. Dr. Peter Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Marshall commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.