Roland Manuel Dimaya

  • Woodland Hills, CA
  • Emergency medicine physician
NPI1164817946PAC ID3870806383
Medicare services, 2024
55
Medicare patients, 2024
60
Part D claims, 2024
378
Publications
1
Hospital affiliations
2
Practice address
5601 De Soto Avenue, Woodland Hills, CA 91367
Practice phone
Call (818) 719-3800
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Kaiser Permanente Woodland Hills Medical Center

Hospital · Woodland Hills, California

See all 7 affiliations

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Roland Manuel Dimaya is an emergency medicine physician in Woodland Hills, California

Roland Dimaya practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente.

Roland Dimaya's NPI, 1164817946, was assigned on March 30, 2015. Roland Dimaya graduated from Pcom in 2015. Roland Dimaya holds Texas license S6159.

NPI and contact details
Medicare PAC ID
3870806383
NPI enumeration date
March 30, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(818) 719-3800
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
37
Medical school graduation
2015

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

Roland Manuel Dimaya practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California

Roland Dimaya's primary practice is Kaiser Permanente Woodland Hills Medical Center, at 5601 De Soto Avenue, Woodland Hills, CA 91367 in Los Angeles County. The practice phone is (818) 719-3800.

Source: Dmand AI Affiliation Data

Roland Manuel Dimaya is affiliated with 4 sites of care and 3 medical groups

Roland Dimaya's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. Roland Dimaya is also affiliated with Sherman Oaks Hospital. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Roland Dimaya to 2 more medical groups, 1 dialysis center and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Roland Dimaya

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Roland Manuel Dimaya's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Roland Dimaya practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente Woodland Hills Medical CenterAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Roland Manuel Dimaya is one of 7,423 emergency medicine physicians in California

Emergency medicine is Roland Dimaya's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Roland Dimaya is board certified in 2025 - 2025 by the AL State License. Roland Dimaya is licensed in Texas.

Specialties and state licenses

  • Emergency medicine, TexasPrimaryLicense S6159 · taxonomy 207P00000X

Emergency medicine physicians near Roland Dimaya

Counts of emergency medicine 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

Roland Manuel Dimaya billed Medicare for 55 services in 2024

CMS data shows 55 Medicare services from Roland Dimaya across 2 procedure codes in 2024, for 60 Medicare patients. Medicare paid $5,312 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202455
Medicare patients60
Paid by Medicare$5,312
Procedure codes2

Roland Dimaya's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 332024: 5567%

Roland Dimaya compared with the California median for emergency medicine physicians, 2024

  • Roland Dimaya
  • California median
Medicare services
55vs 26579% below
Medicare patients
60vs 24375% below
Part D claims
219vs 623.5 times

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Roland Dimaya'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

Roland Manuel Dimaya treated 60 Medicare patients in 2024, average age 71

CMS counts 60 Medicare patients who saw Roland Dimaya in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 52% are also on Medicaid. Their average risk score is 1.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Roland Dimaya's median patient age at 45, with 51% women.

Medicare patients, 202460
Average age71
Average risk score1.70
Also on Medicaid52%

Roland Dimaya's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Roland Dimaya's Medicare patients by sex, 2024

  • Women3050%
  • Men3050%

Chronic conditions among Roland Dimaya's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis57%
  4. Diabetes48%
  5. Mood disorders45%
  6. Ischemic heart disease42%
  7. Depression40%
  8. Anxiety37%

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

Roland Dimaya's patients across all payers

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

Patient panel by age, all payers

Median age 45

Patient panel by sex, all payers

  • Women51%
  • Men47%

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

Roland Manuel Dimaya wrote 378 Medicare Part D claims in 2024

In 2024, Roland Dimaya wrote 378 Medicare Part D claims for 247 patients. 82% of them were for generic drugs. CMS names the drug for 219 of them, across 11 drugs with 11 or more claims each, at $8,568 in total drug cost. In 2023, CMS named 188 claims across 10 drugs.

Part D claims, 2024378
Drugs named by CMS11
Total drug cost$8,568
Part D patients247

Roland Dimaya's Part D claims by kind of drug, 2024

  • Generic309 claims82%
  • Brand-name and other69 claims18%

Roland Dimaya'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 Roland Dimaya's Part D claims, 2024

  • Opioids10%38 of 378 claims
  • Antibiotics32%121 of 378 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: 1882024: 21916%

Drugs named by CMS: 11 in 2024, 10 in 2023.

See all prescribing by Roland Dimaya

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

Roland Manuel Dimaya offers telehealth to Medicare patients

Roland Dimaya accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Roland Dimaya as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Roland Manuel Dimaya has 1 publication on record

Dmand AI links 1 paper to Roland Dimaya in 2012.

Papers1

Recent publications by Roland Dimaya

See all 1 publications and co-authors

See who Roland Dimaya researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Roland Dimaya works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Roland Manuel Dimaya received $16 in industry payments in 2018

CMS Open Payments shows 1 general payment to Roland Dimaya from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. CSL Behring paid the most, $16.

Companies that paid Roland Dimaya the most, 2018 to 2018

Share is of all general payments to this clinician.

See all payments to Roland Dimaya

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

Roland Manuel Dimaya graduated from Pcom

Roland Dimaya graduated from Pcom in 2015.

  1. Medical schoolPcom
  2. Board certified in 2025 - 2025AL State License
  3. Board certified in emergency medicineAmerican Board of Emergency Medicine
  4. Board certified in family medicineAmerican Board of Family Medicine
  5. Board certified in 2022 - 2026CA State License
  6. Board certified in 2015 - 2021DE State License
  7. Board certified in 2024 - presentFL State License
  8. Board certified in 2025 - 2027GA State License
  9. Board certified in 2025 - 2026ID State License
  10. Board certified in 2025 - 2025IN State License
  11. Board certified in 2025 - 2026PA State License
  12. Board certified in 2020 - 2027TX State License
  13. Board certified in 2025 - 2025WI State License

Source: Dmand AI Professional Profile Data

Roland Manuel Dimaya accepts plans from 16 insurance carriers

Roland Dimaya is in network with 16 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Aetna
  • Alliant Health Plans
  • HCSC
  • Baylor Scott and White
  • Blue Cross and Blue Shield of Kansas City
  • +8 more carriersWith a free account

Plan types Roland Dimaya accepts, by number of carriers

  1. HMO9
  2. PPO8
  3. EPO3
  4. POS3
  5. Medicare2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Roland Manuel Dimaya'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Roland Manuel Dimaya

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

What is Roland Manuel Dimaya's NPI number?

Roland Manuel Dimaya's NPI number is 1164817946. It was assigned on March 30, 2015, and it is active in the NPI Registry.

What does Roland Manuel Dimaya specialize in?

Roland Manuel Dimaya is an emergency medicine physician in Woodland Hills, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Roland Manuel Dimaya practice?

Roland Dimaya practices at 5601 De Soto Avenue, Woodland Hills, CA 91367. Roland Dimaya's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. Dmand AI also links Roland Dimaya to 2 medical groups, 1 dialysis center and 1 group practice or clinic.

What is Roland Manuel Dimaya's office phone number?

The practice phone on file for Roland Dimaya is (818) 719-3800.

What is Roland Manuel Dimaya's medical license number?

Roland Dimaya holds Texas license S6159.

Which hospitals is Roland Manuel Dimaya affiliated with?

Roland Dimaya practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California. Roland Dimaya is also affiliated with Sherman Oaks Hospital.

What medical group is Roland Manuel Dimaya part of?

Roland Dimaya is linked to Southern California Permanente Medical Group. Dmand AI links Roland Dimaya to 2 more medical groups.

Does Roland Manuel Dimaya accept Medicare?

Yes. CMS data shows Roland Dimaya billed Medicare for 55 services in 2024, and Roland Dimaya accepts Medicare assignment.

Does Roland Manuel Dimaya offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Roland Dimaya as offering telehealth services.

How many Medicare patients does Roland Manuel Dimaya see?

CMS counts 60 Medicare patients who saw Roland Dimaya in 2024, with an average age of 71.

Show 8 more questionsShow fewer questions

Is Roland Manuel Dimaya board certified?

Yes. Roland Dimaya is board certified in 2025 - 2025 by the AL State License.

What services does Roland Manuel Dimaya bill to Medicare?

In 2024, Roland Dimaya's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).

Where did Roland Manuel Dimaya go to medical school?

Roland Dimaya graduated from Pcom in 2015.

What drugs does Roland Manuel Dimaya prescribe most?

In 2024 Medicare Part D data, Roland Dimaya's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Pradaxa and Ondansetron HCl.

Has Roland Manuel Dimaya received payments from drug or device companies?

CMS Open Payments shows $16 in general payments to Roland Dimaya from 1 company from 2018 to 2018. The largest total came from CSL Behring.

How long has Roland Manuel Dimaya been practicing?

Roland Dimaya graduated from medical school in 2015, 11 years ago.

Does Roland Manuel Dimaya do research?

Dmand AI links 1 publication to Roland Dimaya.

What insurance does Roland Manuel Dimaya accept?

Roland Dimaya is in network with 16 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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