Doctor profile · Federal record

Dr. Paul Simpson, M.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Fullerton, CA

  • NPI 1104169978
  • Accepts Medicare
  • MIPS 6.6 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2501 E Chapman Ave Ste 225
Fullerton, CA 928313187
(714) 481-0172
fax (562) 445-4140

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
May 26, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
California #A167694

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104169978. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,731
Distinct HCPCS
9
Medicare allowed
$692,107
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 5,165 519 $83
99291 Critical care, first 30-74 minutes 573 134 $222
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 353 162 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 344 301 $182
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 170 14 $79
99292 Critical care, each additional 30 minutes 50 37 $111
99213 Established patient office or other outpatient visit, 20-29 minutes 32 21 $98
99214 Established patient office or other outpatient visit, 30-39 minutes 29 17 $139
31622 Diagnostic exam of lung airway using an endoscope 15 13 $136

In context: peer comparison

Among 8 peers in this city , average services per provider: 317. This provider delivers 21× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
0
Total drug cost
$23,391
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 21 0 $16,132
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 0 $574
Incruse Ellipta (Umeclidinium Bromide) Brand 13 0 $6,685

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Simpson's medical specialty?
Dr. Paul Simpson practices Pulmonary Disease Physician in Fullerton, CA.
Where does Dr. Paul Simpson practice?
Dr. Paul Simpson practices at 2501 E Chapman Ave Ste 225, Fullerton, CA 928313187. Office phone: 7144810172.
What is Dr. Paul Simpson's NPI?
Dr. Paul Simpson's National Provider Identifier (NPI) is 1104169978, issued by NPPES.
Does Dr. Paul Simpson accept Medicare assignment?
Yes. Dr. Paul Simpson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Simpson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.