Doctor profile · Federal record

Dr. Christopher Diaz, PA-C

Medical Physician Assistant · Physician Assistant · Philadelphia, PA

  • NPI 1821594391
  • 8 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1233 Locust St
Philadelphia, PA 191075453
(215) 985-4448

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
November 10, 2023
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Pennsylvania #MA059723

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821594391. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,398
Transactions
41
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 13 $605.96
ViiV Healthcare Company 16 $543.07
Merck Sharp & Dohme LLC 6 $114.77
Theratechnologies INC. 3 $64.34
Indivior INC. 1 $29.08
Abbvie INC. 1 $22.45
Novartis Pharmaceuticals Corporation 1 $18.43

By nature of payment

Food and Beverage
$1,398

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
321
Patients
93
Total drug cost
$72,792
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 57 26 $556
Amlodipine Besylate Generic 47 17 $210
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 29 13 $430
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 26 14 $936
Alprazolam Generic 23 0 $101
Fluticasone Propionate Generic 18 0 $189
Metformin Hcl Generic 18 12 $120
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 16 0 $65,301
Hydrochlorothiazide Generic 14 0 $89
Losartan Potassium Generic 14 0 $78

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Diaz's medical specialty?
Dr. Christopher Diaz practices Medical Physician Assistant in Philadelphia, PA.
Where does Dr. Christopher Diaz practice?
Dr. Christopher Diaz practices at 1233 Locust St, Philadelphia, PA 191075453. Office phone: 2159854448.
What is Dr. Christopher Diaz's NPI?
Dr. Christopher Diaz's National Provider Identifier (NPI) is 1821594391, issued by NPPES.