Dr. Royal Edward Dean, MD

  • Simi Valley, CA
  • General practice physician
NPI1417976945PAC ID7810182110
Medicare services, 2024
2,565
Medicare patients, 2024
430
Part D claims, 2024
8,451
MIPS score, 2024
96
Hospital affiliations
2
Practice address
1129 Red Tail Way, Simi Valley, CA 93065
Practice phone
Call (805) 577-1515
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Royal E Dean MD Medical Corporation

Simi Valley, California

See all 9 affiliations

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Dr. Royal Edward Dean is a general practice physician in Simi Valley, California

Dr. Dean practices at Royal E Dean MD Medical Corporation in Simi Valley, California.

Dr. Dean's NPI, 1417976945, was assigned on July 18, 2006. Dr. Dean graduated from Oral Roberts University School of Medicine in 1987. Dr. Dean holds California license G063880.

NPI and contact details
Medicare PAC ID
7810182110
NPI enumeration date
July 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(805) 577-1515
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Royal Edward Dean practices at Royal E Dean MD Medical Corporation in Simi Valley, California

Dr. Dean's primary practice is Royal E Dean MD Medical Corporation, at 1129 Red Tail Way, Simi Valley, CA 93065 in Ventura County. The practice phone is (805) 577-1515.

  • Royal E Dean MD Medical Corporation
    1129 Red Tail Way, Simi Valley, CA 93065 · Ventura CountyPhone(805) 577-1515

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Royal Edward Dean is affiliated with 9 sites of care

Dr. Dean's primary practice is Royal E Dean MD Medical Corporation in Simi Valley, California. Dr. Dean is also affiliated with Adventist Health Simi Valley. Dmand AI also links Dr. Dean to 1 more hospital, 4 home health agencies, 1 physician office and 1 skilled nursing facility, each named with a free account.

See all 9 affiliations for Dr. Dean

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Royal Edward Dean's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dean practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Royal E Dean MD Medical CorporationAvailable with a free account
+8 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Royal Edward Dean is one of 1,526 general practice physicians in California

General practice is Dr. Dean's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Dean is board certified in internal medicine by the American Board of Internal Medicine. Dr. Dean is licensed in California.

Specialties and state licenses

  • General practice, CaliforniaPrimaryLicense G063880 · 1988 to 2026 · taxonomy 208D00000X

Clinical focus

Dmand AI lists acid reflux, acute respiratory failure, acute skin infection, ADHD, anxiety, arteritis, arthritis and asthma among the conditions Dr. Dean treats.

General practice physicians near Dr. Dean

Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Royal Edward Dean billed Medicare for 2,565 services in 2024

CMS data shows 2,565 Medicare services from Dr. Dean across 16 procedure codes in 2024, for 430 Medicare patients. Medicare paid $233,432 for them. Every service was in an office.

Medicare services, 20242,565
Medicare patients430
Paid by Medicare$233,432
Procedure codes16

Dr. Dean's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2,0242024: 1,62220%
Other services
2023: 5772024: 5505%
Tests and treatments
2023: 3052024: 18739%
Surgery
2023: 1142024: 1238%
Drugs given in the office
2023: 882024: 836%

Dr. Dean compared with the California median for general practice physicians, 2024

  • Dr. Dean
  • California median
Medicare services
2,565vs 2629.8 times
Medicare patients
430vs 1363.2 times
Part D claims
7,591vs 19239.5 times

Medians across 1,114 general practice physicians in California with Dmand AI profiles that report each measure.

Dr. Dean's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Dean

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Royal Edward Dean treated 430 Medicare patients in 2024, average age 75

CMS counts 430 Medicare patients who saw Dr. Dean in 2024. The largest group is 65 to 74, with 208 patients. 74% of them have high cholesterol, and 62% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Dean's median patient age at 70, with 58% women.

Medicare patients, 2024430
Average age75
Average risk score0.98
Also on Medicaid3%

Dr. Dean's Medicare patients by age, 2024

Dr. Dean's Medicare patients by sex, 2024

  • Women24256%
  • Men18844%

Chronic conditions among Dr. Dean's Medicare patients, 2024

  1. High cholesterol74%
  2. High blood pressure62%
  3. Arthritis55%
  4. Diabetes27%
  5. Ischemic heart disease24%
  6. Mood disorders21%
  7. Depression20%
  8. Anxiety18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Dean's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women58%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Royal Edward Dean wrote 8,451 Medicare Part D claims in 2024

In 2024, Dr. Dean wrote 8,451 Medicare Part D claims for 442 patients. 85% of them were for generic drugs. CMS names the drug for 7,591 of them, across 148 drugs with 11 or more claims each, at $550,072 in total drug cost. In 2023, CMS named 7,717 claims across 153 drugs.

Part D claims, 20248,451
Drugs named by CMS148
Total drug cost$550,072
Part D patients442

Dr. Dean's Part D claims by kind of drug, 2024

  • Generic7,208 claims85%
  • Brand-name1,152 claims14%
  • Other91 claims1%

Dr. Dean's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Dean's Part D claims, 2024

  • Opioids2%128 of 8,451 claims
  • Antibiotics6%530 of 8,451 claims
  • Antipsychotics, patients 65 and over1%75 of 8,451 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7,7172024: 7,5912%

Drugs named by CMS: 148 in 2024, 153 in 2023.

See all prescribing by Dr. Dean

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Royal Edward Dean scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Dean for performance year 2024, reported through an alternative payment model (APM). Dr. Dean accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dean as offering telehealth. CMS counts 23 procedures of removal of skin lesions by Dr. Dean, more than 66% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Dean's MIPS scores, performance year 2024

  • 96of 100Final score
  • 81.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Dean ranks in Medicare procedure volume

Removal of skin lesions
66th percentile23 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Royal Edward Dean received $1,707 in industry payments from 2016 to 2022

CMS Open Payments shows 66 general payments to Dr. Dean from 17 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 93% of the total. Janssen Pharmaceuticals, Inc paid the most, $383.

General payments to Dr. Dean by program year, 2016 to 2022

General payments to Dr. Dean by kind, 2016 to 2022

$1.7Kin total
  • Food and beverage$1,58893%
  • Education$1197%

Companies that paid Dr. Dean the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Dean

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Royal Edward Dean has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Dean, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Dean

  1. 2013
    • CMS Stage 1 EHR
  2. 2011
    • Compassionate Doctors

Source: Dmand AI Professional Profile Data

Dr. Royal Edward Dean graduated from Oral Roberts University School of Medicine

Dr. Dean graduated from Oral Roberts University School of Medicine in 1987.

  1. Medical schoolOral Roberts University School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Royal Edward Dean accepts plans from 13 insurance carriers

Dr. Dean is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Regence Health Plans
  • Alliant Health Plans
  • Aspirus Health Plan
  • +5 more carriersWith a free account

Plan types Dr. Dean accepts, by number of carriers

  1. PPO8
  2. HMO6
  3. Medicare6
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Royal Edward Dean's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Royal Edward Dean

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Royal Edward Dean's NPI number?

Dr. Royal Edward Dean's NPI number is 1417976945. It was assigned on July 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Royal Edward Dean?

Dr. Royal Edward Dean is a general practice physician in Simi Valley, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. Royal Edward Dean practice?

Dr. Dean practices at 1129 Red Tail Way, Simi Valley, CA 93065. Dr. Dean's primary practice is Royal E Dean MD Medical Corporation in Simi Valley, California. Dmand AI also links Dr. Dean to 1 hospital, 4 home health agencies, 1 physician office and 1 skilled nursing facility.

What is Dr. Royal Edward Dean's office phone number?

The practice phone on file for Dr. Dean is (805) 577-1515.

What is Dr. Royal Edward Dean's medical license number?

Dr. Dean holds California license G063880.

Which hospitals is Dr. Royal Edward Dean affiliated with?

Dr. Dean is affiliated with Adventist Health Simi Valley. Dmand AI links Dr. Dean to 1 more hospital.

Does Dr. Royal Edward Dean accept Medicare?

Yes. CMS data shows Dr. Dean billed Medicare for 2,565 services in 2024, and Dr. Dean accepts Medicare assignment.

Does Dr. Royal Edward Dean offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Dean as offering telehealth services.

What is Dr. Royal Edward Dean's MIPS score?

Dr. Dean's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Royal Edward Dean see?

CMS counts 430 Medicare patients who saw Dr. Dean in 2024, with an average age of 75.

Show 7 more questionsShow fewer questions

Is Dr. Royal Edward Dean board certified?

Yes. Dr. Dean is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Royal Edward Dean bill to Medicare?

In 2024, Dr. Dean's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).

Where did Dr. Royal Edward Dean go to medical school?

Dr. Dean graduated from Oral Roberts University School of Medicine in 1987.

What drugs does Dr. Royal Edward Dean prescribe most?

In 2024 Medicare Part D data, Dr. Dean's most prescribed drugs by claims were Levothyroxine Sodium, Pantoprazole Sodium and Losartan Potassium.

Has Dr. Royal Edward Dean received payments from drug or device companies?

CMS Open Payments shows $1,707 in general payments to Dr. Dean from 17 companies from 2016 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Royal Edward Dean been practicing?

Dr. Dean graduated from medical school in 1987, 39 years ago.

What insurance does Dr. Royal Edward Dean accept?

Dr. Dean is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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