Doctor profile · Federal record

Dr. Ramon Johnson, M.D.

Emergency Medicine Physician · Mission Viejo, CA

  • NPI 1861426629
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
27700 Medical Center RD
Mission Viejo, CA 926916426
(949) 364-1400
fax (949) 365-4941
Mailing address
Po Box 660099
Arcadia, CA 910660099

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 27, 2008
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #G43212
Medicaid
CA #00G432120

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861426629. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,440
Transactions
8
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
National Marrow Donor Program 8 $3,440.45

By nature of payment

Travel and Lodging
$3,229
Food and Beverage
$211

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramon Johnson's medical specialty?
Dr. Ramon Johnson practices Emergency Medicine Physician in Mission Viejo, CA.
Where does Dr. Ramon Johnson practice?
Dr. Ramon Johnson practices at 27700 Medical Center RD, Mission Viejo, CA 926916426. Office phone: 9493641400.
What is Dr. Ramon Johnson's NPI?
Dr. Ramon Johnson's National Provider Identifier (NPI) is 1861426629, issued by NPPES.