Cell DifferentiationCell DivisionCells, Cultured
Dr. David Roy Miller, MD
NPI1912958257PAC ID8022019934
- Medicare services, 2024
- 386
- Medicare patients, 2024
- 199
- Part D claims, 2024
- 5,865
- Publications
- 3
- Industry payments
- $2,065
- Practice address
- 2929 Theresa Drive, Newbury Park, CA 91320
- Practice phone
- Call (805) 498-3644
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mary Health of the Sick
Skilled Nursing Facility · Newbury Park, California
Find Dr. Miller's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. David Roy Miller is a family medicine physician in Newbury Park, California
Dr. Miller practices at Mary Health of the Sick in Newbury Park, California.
Dr. Miller's NPI, 1912958257, was assigned on May 12, 2006. Dr. Miller graduated from UTMB Health in 1993. Dr. Miller holds California license A54820.
NPI and contact details
- NPI
- 1912958257NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022019934
- NPI enumeration date
- May 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (805) 498-3644
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Roy Miller practices at Mary Health of the Sick in Newbury Park, California
Dr. Miller's primary practice is Mary Health of the Sick, at 2929 Theresa Drive, Newbury Park, CA 91320 in Ventura County. The practice phone is (805) 498-3644.
- Mary Health of the Sick2929 Theresa Drive, Newbury Park, CA 91320 · Ventura CountyPhone(805) 498-3644
Source: Dmand AI Affiliation Data
Dr. David Roy Miller is affiliated with 4 sites of care and 1 medical group
Dr. Miller's primary practice is Mary Health of the Sick in Newbury Park, California. The medical group on file is Miller Medical and Wellness Clinic. Dmand AI also links Dr. Miller to 2 more home health agencies and 1 group practice or clinic, each named with a free account.
Mary Health of the SickPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Roy Miller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Miller practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mary Health of the Sick | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Roy Miller is one of 15,680 family medicine physicians in California
Family medicine is Dr. Miller's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Miller's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Texas license
Clinical focus
Dmand AI lists acid reflux, acute kidney failure, acute mini-stroke (TIA), acute sinusitis, acute skin infection, aneurysm, ankle or foot injury and anxiety among the conditions Dr. Miller treats.
Family medicine physicians near Dr. Miller
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
15,680family medicine physicians in California
4family medicine physicians in Newbury Park
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Roy Miller billed Medicare for 386 services in 2024
CMS data shows 386 Medicare services from Dr. Miller across 8 procedure codes in 2024, for 199 Medicare patients. Medicare paid $24,966 for them.
Medicare services, 2024386
Medicare patients199
Paid by Medicare$24,966
Procedure codes8
Dr. Miller's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2612024: 33873%
- Other services
- 2023: 1702024: 3281%
- Lab and pathology
- 2023: 1352024: 1688%
- Drugs given in the office
- 2023: 1372024: 0100%
- Tests and treatments
- 2023: 1402024: 0100%
- Surgery
- 2023: 232024: 0100%
Where Dr. Miller's Medicare services took place, 2024
- In an office34389%
- In a facility4311%
Dr. Miller compared with the California median for family medicine physicians, 2024
- Dr. Miller
- California median
- Medicare services
- 386vs 24657% above
- Medicare patients
- 199vs 11869% above
- Part D claims
- 5,172vs 8336.2 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Miller'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Roy Miller treated 199 Medicare patients in 2024, average age 79
CMS counts 199 Medicare patients who saw Dr. Miller in 2024. The largest group is 75 to 84, with 82 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Miller's median patient age at 79, with 58% women.
Medicare patients, 2024199
Average age79
Average risk score1.11
Dr. Miller's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Miller's Medicare patients by sex, 2024
- Women12261%
- Men7739%
Chronic conditions among Dr. Miller's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis57%
- Ischemic heart disease33%
- Atrial fibrillation29%
- Osteoporosis25%
- Chronic kidney disease24%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Miller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
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. David Roy Miller wrote 5,865 Medicare Part D claims in 2024
In 2024, Dr. Miller wrote 5,865 Medicare Part D claims for 308 patients. 86% of them were for generic drugs. CMS names the drug for 5,172 of them, across 139 drugs with 11 or more claims each, at $377,489 in total drug cost. In 2023, CMS named 5,763 claims across 138 drugs.
Part D claims, 20245,865
Drugs named by CMS139
Total drug cost$377,489
Part D patients308
Dr. Miller's Part D claims by kind of drug, 2024
- Generic5,065 claims86%
- Brand-name764 claims13%
- Other36 claims1%
Dr. Miller'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. Miller's Part D claims, 2024
- Opioids2%127 of 5,865 claims
- Antibiotics5%297 of 5,865 claims
- Antipsychotics, patients 65 and over1%48 of 5,865 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: 5,7632024: 5,17210%
Drugs named by CMS: 139 in 2024, 138 in 2023.
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. David Roy Miller offers telehealth to Medicare patients
Dr. Miller accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Miller as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
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)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. David Roy Miller has 3 publications on record
Dmand AI links 3 papers to Dr. Miller. The most frequent topics are Cell Differentiation, 9,10-Dimethyl-1,2-benzanthracene and Cells, Cultured.
Papers3
Topics Dr. Miller writes about most
- Cell Differentiation
- 9,10-Dimethyl-1,2-benzanthracene
- Cells, Cultured
- Epidermal Cells
- Methylnitronitrosoguanidine
- Skin Neoplasms
- Tetradecanoylphorbol Acetate
Recent publications by Dr. Miller
9,10-Dimethyl-1,2-benzanthraceneCell DifferentiationEpidermal Cells
Carcinog Compr Surv
9,10-Dimethyl-1,2-benzanthraceneCell DifferentiationCell Line, Transformed
See who Dr. Miller researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Miller works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David Roy Miller received $2,065 in industry payments from 2016 to 2025
CMS Open Payments shows 96 general payments to Dr. Miller from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $297.
General payments to Dr. Miller by program year, 2016 to 2025
Companies that paid Dr. Miller the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Roy Miller graduated from UTMB Health
Dr. Miller graduated from UTMB Health in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. David Roy Miller accepts plans from 1 insurance carrier
Dr. Miller is in network with 1 carrier, including Excellus BlueCross BlueShield. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
Plan types Dr. Miller accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. David Roy Miller's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David Roy Miller
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. David Roy Miller's NPI number?
Dr. David Roy Miller's NPI number is 1912958257. It was assigned on May 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Roy Miller?
Dr. David Roy Miller is a family medicine physician in Newbury Park, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. David Roy Miller practice?
Dr. Miller practices at 2929 Theresa Drive, Newbury Park, CA 91320. Dr. Miller's primary practice is Mary Health of the Sick in Newbury Park, California. Dmand AI also links Dr. Miller to 2 home health agencies and 1 group practice or clinic.
What is Dr. David Roy Miller's office phone number?
The practice phone on file for Dr. Miller is (805) 498-3644.
What is Dr. David Roy Miller's medical license number?
Dr. Miller holds California license A54820, one of the licenses on file in 2 states.
Which states has Dr. David Roy Miller been licensed in?
Dmand AI has state licenses on file for Dr. Miller in California (1995 to 2027) and Texas (1994 to 1996).
What medical group is Dr. David Roy Miller part of?
Dr. Miller is linked to Miller Medical and Wellness Clinic.
Does Dr. David Roy Miller accept Medicare?
Yes. CMS data shows Dr. Miller billed Medicare for 386 services in 2024, and Dr. Miller accepts Medicare assignment.
Does Dr. David Roy Miller offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Miller as offering telehealth services.
How many Medicare patients does Dr. David Roy Miller see?
CMS counts 199 Medicare patients who saw Dr. Miller in 2024, with an average age of 79.
Show 7 more questionsShow fewer questions
What services does Dr. David Roy Miller bill to Medicare?
In 2024, Dr. Miller's most billed Medicare services were office visit, established patient (99213), nursing facility care (99308) and office visit, established patient (99212).
Where did Dr. David Roy Miller go to medical school?
Dr. Miller graduated from UTMB Health in 1993.
What drugs does Dr. David Roy Miller prescribe most?
In 2024 Medicare Part D data, Dr. Miller's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. David Roy Miller received payments from drug or device companies?
CMS Open Payments shows $2,065 in general payments to Dr. Miller from 23 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. David Roy Miller been practicing?
Dr. Miller graduated from medical school in 1993, 33 years ago.
Does Dr. David Roy Miller do research?
Dmand AI links 3 publications to Dr. Miller.
What insurance does Dr. David Roy Miller accept?
Dr. Miller is in network with 1 carrier, including Excellus BlueCross BlueShield. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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