Doctor profile · Federal record

Dr. Clay Johnson

Physician Assistant · Physician Assistant · Flemington, NJ

  • NPI 1164021713
  • Accepts Medicare
  • MIPS 93.2 / 100 · 2023
  • 6 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8100 Wescott Dr
Flemington, NJ 088224671
(908) 264-5993
Additional location
100 E Lancaster Ave
Wynnewood, PA 190963450
(484) 476-2000
Mailing address
19 Riverhill Apt B
New Hope, PA 189381262

Credentials & registration

NPPES · NUCC
NPI registered
October 2020 — 6 yrs on file
Profile last updated
March 31, 2022
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
New Jersey #25MP00676700 · Pennsylvania #MA061958

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164021713. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
35
Distinct HCPCS
2
Medicare allowed
$6,701
HCPCS Description Services Patients Avg allowed
27130 Replacement of thigh bone and hip joint with prosthesis 22 22 $192
27447 Replacement of knee joint, both sides of knee 13 13 $191

In context: peer comparison

Among 5 peers in Flemington Physician Assistant, average services per provider: 22. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$145
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 1 $124.63
Abbvie INC. 1 $20.45

By nature of payment

Food and Beverage
$145

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
80
Patients
80
Total drug cost
$391
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 69 69 $352
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 11 11 $39

Frequently asked questions

Auto-generated from federal data
What is Dr. Clay Johnson's medical specialty?
Dr. Clay Johnson practices Physician Assistant in Flemington, NJ.
Where does Dr. Clay Johnson practice?
Dr. Clay Johnson practices at 8100 Wescott Dr, Flemington, NJ 088224671. Office phone: 9082645993.
What is Dr. Clay Johnson's NPI?
Dr. Clay Johnson's National Provider Identifier (NPI) is 1164021713, issued by NPPES.
Does Dr. Clay Johnson accept Medicare assignment?
Yes. Dr. Clay Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clay Johnson commonly perform?
Top Medicare-reported procedures in 2023: Replacement of thigh bone and hip joint with prosthesis (HCPCS 27130); Replacement of knee joint, both sides of knee (HCPCS 27447). Source: CMS Medicare Physician & Other Practitioners file.