Roy Johnson, M.D
Family Medicine Physician · Valley Center, CA
Roy Johnson, M.D is a family medicine physician with a practice address in Valley Center, California, and NPI 1568487973, issued on Jul 13, 2006. Check the license (California G34973, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Roy Johnson
- Credential
- M.D
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G34973 CA
Self-reported in NPPES; status is on the state search - Practice location
- 28743 Valley Center RD Ste B, Valley Center, CA 92082
- Phone
- (760) 749-0824
- Enumerated
- Jul 13, 2006
- Record last updated
- Feb 22, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (760) 749-2189
- Medicare enrollment
- Enrolled (PECOS I20050915001109); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1976
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Roy Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G34973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average family medicine physician in 2024
7,182 Medicare Part D claims for 338 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 362 claims were for opioids.
Most prescribed
- Levothyroxine Sodium420 claims
- Atorvastatin Calcium411 claims
- Amlodipine Besylate304 claims
- Rosuvastatin Calcium247 claims
- Hydrocodone-Acetaminophen229 claims
- Fluoxetine Hcl199 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 80.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $44.94
3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Arch Health Partners IncPoway, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy Johnson among 17,133 family medicine physician records in California
Roy Johnson, M.D is one of 17,133 family 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1976 · median 2005 among the 10,652 with a school on file
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Valley Center
They are 4 of the 126 NPPES records with a practice address in Valley Center, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Valley Center → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Elaine Davidson, M.D.Valley Center, CA 920821972534691
- Thomas Dwyer, MDValley Center, CA 920821659359727
- David Greb, M.D.Valley Center, CA 920821881676955
- Hala Amr, MDVista, CA 920831891700258
- Mark Bibler, M.D.Vista, CA 920811427048487
- Joseph Castrejon, MDVista, CA 920831568486710
- Deryien Chen, MDVista, CA 920831902820103
- Rensa Chen, DOVista, CA 920811457988073
Common questions
What is Roy Johnson, M.D's NPI number?
Roy Johnson, M.D's National Provider Identifier (NPI) is 1568487973, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roy Johnson, M.D located?
The NPPES record lists a practice address at 28743 Valley Center RD Ste B, Valley Center, CA, 92082. Phone: (760) 749-0824. Providers update this record themselves, so call before visiting.
How can I verify Roy Johnson, M.D's license?
NPPES lists California license number G34973, 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.
How much does Roy Johnson, M.D prescribe under Medicare Part D?
In 2024, Roy Johnson, M.D had 7,182 Medicare Part D claims for 338 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Roy Johnson, M.D's MIPS final score?
The 2023 MIPS final score is 80.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.