Royal Dean, M.D.
General Practice Physician · Simi Valley, CA
Royal Dean, M.D. is a general practice physician with a practice address in Simi Valley, California, and NPI 1417976945, issued on Jul 18, 2006. Check the license (California G063880, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Royal Dean
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- G063880 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1687 Erringer RD Ste 217, Simi Valley, CA 93065
- Phone
- (805) 577-0059
- Enumerated
- Jul 18, 2006
- Record last updated
- Mar 8, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101112000098); accepts Medicare assignment
- Medical or professional school
- Oral Roberts University School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Verify Royal Dean in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G063880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average general practice physician in 2024
8,451 Medicare Part D claims for 442 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 128 claims were for opioids.
Most prescribed
- Levothyroxine Sodium456 claims
- Pantoprazole Sodium289 claims
- Losartan Potassium210 claims
- Azithromycin201 claims
- Atorvastatin Calcium197 claims
- Ozempic193 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): 97.1 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).
Royal Dean among 1,956 general practice physician records in California
Royal Dean, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1987 · median 1994 among the 520 with a school on file
- Record last updated2017 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Simi Valley → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Rong Yang, M.DSun Valley, CA 930651497783773
- Jason Jung, DOPort Hueneme, CA 930431528766680
- Andrew Sullivan, D.O.Port Hueneme, CA 930431932470291
- Kristof Siciarz, MDOxnard, CA 930351609316538
- Paduvilan Narayanan, M.D.Oxnard, CA 930331851437511
- Alan KratzOxnard, CA 930301316461866
- Robert Oldt, MDOxnard, CA 930301689858490
- Michael Repik, D.O.Santa Barbara, CA 931011134284383
Common questions
What is Royal Dean, M.D.'s NPI number?
Royal Dean, M.D.'s National Provider Identifier (NPI) is 1417976945, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Royal Dean, M.D. located?
The NPPES record lists a practice address at 1687 Erringer RD Ste 217, Simi Valley, CA, 93065. Phone: (805) 577-0059. Providers update this record themselves, so call before visiting.
How can I verify Royal Dean, M.D.'s license?
NPPES lists California license number G063880, 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 Royal Dean, M.D. prescribe under Medicare Part D?
In 2024, Royal Dean, M.D. had 8,451 Medicare Part D claims for 442 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
What is Royal Dean, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.1 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.