Ramon Waddell Johnson, M.D.
Emergency Medicine Physician · Mission Viejo, CA
Ramon Waddell Johnson, M.D. is an emergency medicine physician with a practice address in Mission Viejo, California, and NPI 1861426629, issued on Jul 10, 2006. Check the license (California G43212, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ramon Waddell Johnson
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G43212 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27700 Medical Center RD, Mission Viejo, CA 92691
- Phone
- (949) 364-1400
- Enumerated
- Jul 10, 2006
- Record last updated
- Jun 27, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (949) 365-4941
- Medicaid ID
- 00G432120 CA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 27700 Medical Center RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ali Al-HilfiPharmacist1427948769
- Mehdi Amiri, PHARM. D.Pharmacist1528586799
- Ivan Babin, M.D.Vascular & Interventional Radiology Physician1134461486
- Danniella BermanPhysician Assistant1740849363
- Michael Blumenfeld, M.D.Anatomic Pathology & Clinical Pathology Physician1578679882
- Emily Brady, MD, MPHAnesthesiology Physician1801107669
Verify Ramon Waddell Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G43212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $3,440.45
8 payments; by number, the most common kind was travel and lodging; the largest payer was National Marrow Donor Program. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ramon Waddell Johnson among 7,751 emergency medicine physician records in California
Ramon Waddell Johnson, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Mission Viejo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Mohammad Al-Sayyad, MDMission Viejo, CA 926911538109418
- Jon Cline, M.D.Mission Viejo, CA 926911679505622
- Peter Czuleger, M.D.Mission Viejo, CA 926911043265580
- Matthew Kaplan, M.D.Mission Viejo, CA 926911518991322
- James Keany, M.D.Mission Viejo, CA 926911598799330
- Richard Kozak, M.D.Mission Viejo, CA 926911457380107
- Gregory Lampe, M.D.Mission Viejo, CA 926911902839863
- Andrew Lawson, M.D.Mission Viejo, CA 926911750314621
Common questions
What is Ramon Waddell Johnson, M.D.'s NPI number?
Ramon Waddell Johnson, M.D.'s National Provider Identifier (NPI) is 1861426629, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ramon Waddell Johnson, M.D. located?
The NPPES record lists a practice address at 27700 Medical Center RD, Mission Viejo, CA, 92691. Phone: (949) 364-1400. Providers update this record themselves, so call before visiting.
How can I verify Ramon Waddell Johnson, M.D.'s license?
NPPES lists California license number G43212, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.