Doctor profile · Federal record

Dr. Christopher John, PA-C

Physician Assistant · Physician Assistant · Warren, PA

  • NPI 1902996903
  • Accepts Medicare
  • MIPS 82.1 / 100 · 2023
  • 20 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
103 W Saint Clair St, Suite 1D
Warren, PA 163652197
(814) 726-1921
fax (814) 726-7881
Mailing address
220 Hallock St
Jamestown, NY 147014630

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
June 30, 2023
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
Pennsylvania #MA052688 · New York #12086

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902996903. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
324
Distinct HCPCS
4
Medicare allowed
$32,067
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 133 123 $98
99283 Emergency department visit with low level of medical decision making 98 90 $59
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 51 51 $142
99285 Emergency department visit with high level of medical decision making 42 41 $144

In context: peer comparison

Among 9 peers in this city , average services per provider: 83. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$234
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $110.73
Stryker Corporation 1 $108.04
AstraZeneca Pharmaceuticals LP 1 $14.93

By nature of payment

Food and Beverage
$234

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
60
Patients
60
Total drug cost
$582
Drug Type Claims Patients Total cost
Methylprednisolone Generic 29 29 $241
Cefdinir Generic 19 19 $222
Cephalexin Generic 12 12 $119

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher John's medical specialty?
Dr. Christopher John practices Physician Assistant in Warren, PA.
Where does Dr. Christopher John practice?
Dr. Christopher John practices at 103 W Saint Clair St, Warren, PA 163652197. Office phone: 8147261921.
What is Dr. Christopher John's NPI?
Dr. Christopher John's National Provider Identifier (NPI) is 1902996903, issued by NPPES.
Does Dr. Christopher John accept Medicare assignment?
Yes. Dr. Christopher John accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher John commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.