Doctor profile · Federal record

Dr. Richard Gregory, Mpsa, PA-C

Physician Assistant · Agoura Hills, CA

  • NPI 1649496274
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
29039 Hollow Oak CT
Agoura Hills, CA 91301
(818) 438-7882

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
January 16, 2020
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #15519

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649496274. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
881
Distinct HCPCS
10
Medicare allowed
$67,761
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 201 194 $116
99213 Established patient office or other outpatient visit, 20-29 minutes 168 163 $83
99204 New patient office or other outpatient visit, 45-59 minutes 107 107 $152
99203 New patient office or other outpatient visit, 30-44 minutes 78 78 $103
81001 Manual urinalysis test with examination using microscope, automated 42 42 $3
87804 Detection test by immunoassay with direct visual observation for influenza virus 38 19 $16
71046 X-ray of chest, 2 views 37 37 $33
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 32 32 $35
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 29 29 $16
36415 Insertion of needle into vein for collection of blood sample 26 26 $8

In context: peer comparison

Among 2 peers in this city , average services per provider: 49. This provider delivers 18× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
391
Patients
371
Total drug cost
$4,859
Drug Type Claims Patients Total cost
Azithromycin Generic 55 54 $317
Methylprednisolone Generic 53 53 $505
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 41 40 $1,212
Cephalexin Generic 41 41 $542
Amoxicillin Generic 32 30 $143
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 31 31 $413
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 29 29 $320
Ciprofloxacin Hcl Generic 29 29 $282
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 26 26 $266
Triamcinolone Acetonide Generic 26 26 $296

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Gregory's medical specialty?
Dr. Richard Gregory practices Physician Assistant in Agoura Hills, CA.
Where does Dr. Richard Gregory practice?
Dr. Richard Gregory practices at 29039 Hollow Oak CT, Agoura Hills, CA 91301. Office phone: 8184387882.
What is Dr. Richard Gregory's NPI?
Dr. Richard Gregory's National Provider Identifier (NPI) is 1649496274, issued by NPPES.
Does Dr. Richard Gregory accept Medicare assignment?
Yes. Dr. Richard Gregory accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Gregory commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.