Dr. Ian Roy, MD

  • West Hollywood, CA
  • Internist
NPI1073995320PAC ID4183978737
Medicare services, 2024
2,951
Medicare patients, 2024
589
Part D claims, 2024
350
Publications
1
Hospital affiliations
3
Practice address
8700 Beverly Blvd, Los Angeles, CA 90048
Practice phone
Call (310) 423-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cedars-Sinai Medical Center

Hospital · Los Angeles, California

See all 5 affiliations

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Dr. Ian Roy is an internist in West Hollywood, California

Dr. Roy practices at Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System.

Dr. Roy's NPI, 1073995320, was assigned on June 23, 2015. Dr. Roy graduated from Keck School of Medicine of USC in 2015. Dr. Roy holds California license A148748.

NPI and contact details
Medicare PAC ID
4183978737
NPI enumeration date
June 23, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(310) 423-5000
Professional email
Get email
Personal email
Get email
Mobile number
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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)

Dr. Ian Roy practices at Cedars-Sinai Medical Center in Los Angeles, California

Dr. Roy's primary practice is Cedars-Sinai Medical Center, at 8700 Beverly Blvd, Los Angeles, CA 90048 in Los Angeles County. The practice phone is (310) 423-5000.

Source: Dmand AI Affiliation Data

Dr. Ian Roy is affiliated with 5 sites of care

Dr. Roy's primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. Dr. Roy is also affiliated with Providence Saint John's Health Center. Dmand AI also links Dr. Roy to 1 more hospital, 1 physician office and 1 home health agency, each named with a free account.

See all 5 affiliations for Dr. Roy

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

Dmand AI tracks the EHR system at Dr. Ian Roy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Roy practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cedars-Sinai Medical CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ian Roy is one of 16,751 internists in California

Internal medicine is Dr. Roy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Roy is board certified in internal medicine by the American Board of Internal Medicine. Dr. Roy is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A148748 · 2017 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute diabetes, acute respiratory failure, anemia, atrial fibrillation and flutter, cellulitis, cerebrovascular disease, chronic anemia and chronic diabetes among the conditions Dr. Roy treats.

Internists near Dr. Roy

Counts of internists 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. Ian Roy billed Medicare for 2,951 services in 2024

CMS data shows 2,951 Medicare services from Dr. Roy across 6 procedure codes in 2024, for 589 Medicare patients. Medicare paid $286,515 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20242,951
Medicare patients589
Paid by Medicare$286,515
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 2,4242024: 2,95122%

Dr. Roy compared with the California median for internists, 2024

  • Dr. Roy
  • California median
Medicare services
2,951vs 3618.2 times
Medicare patients
589vs 1513.9 times
Part D claims
24vs 42194% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Roy'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. Roy

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Roy and other internists in California.

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

Dr. Ian Roy treated 589 Medicare patients in 2024, average age 78

CMS counts 589 Medicare patients who saw Dr. Roy in 2024. The largest group is 75 to 84, with 219 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 47% are also on Medicaid. Their average risk score is 3.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Roy's median patient age at 75, with 50% women.

Medicare patients, 2024589
Average age78
Average risk score3.12
Also on Medicaid47%

Dr. Roy's Medicare patients by age, 2024

Dr. Roy's Medicare patients by sex, 2024

  • Women30251%
  • Men28749%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease75%
  4. Heart failure69%
  5. Arthritis68%
  6. Chronic kidney disease56%
  7. Diabetes56%
  8. Mood disorders50%

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

Dr. Roy's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

Dr. Ian Roy wrote 350 Medicare Part D claims in 2024

In 2024, Dr. Roy wrote 350 Medicare Part D claims for 146 patients. 86% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $7,994 in total drug cost. In 2023, CMS named 30 claims across 2 drugs.

Part D claims, 2024350
Drugs named by CMS2
Total drug cost$7,994
Part D patients146

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

  • Generic301 claims86%
  • Brand-name and other49 claims14%

Dr. Roy'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. Roy's Part D claims, 2024

  • Opioids9%30 of 350 claims
  • Antibiotics13%44 of 350 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: 302024: 2420%

Drugs named by CMS: 2 in 2024, 2 in 2023.

See all prescribing by Dr. Roy

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

How Dr. Ian Roy takes part in Medicare

Dr. Roy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Ian Roy has 1 publication on record

Dmand AI links 1 paper to Dr. Roy. Dr. Roy's most frequent co-authors are Brian Peter Dickinson, MD and Malcolm Alan Lesavoy, FACS, MD.

Papers1

Dr. Roy's most frequent co-authors

Recent publications by Dr. Roy

See all 1 publications and co-authors

See who Dr. Roy researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Roy works with, so you can find a warm path to the right internists.

How network discovery works

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

Dr. Ian Roy received $517 in industry payments from 2018 to 2019

CMS Open Payments shows 5 general payments to Dr. Roy from 3 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $250.

General payments to Dr. Roy by program year, 2018 to 2019

Companies that paid Dr. Roy the most, 2018 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Roy

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

Dr. Ian Roy graduated from Keck School of Medicine of USC

Dr. Roy graduated from Keck School of Medicine of USC in 2015.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Ian Roy accepts plans from 2 insurance carriers

Dr. Roy is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • CMS Medicare

Plan types Dr. Roy accepts, by number of carriers

  1. HMO1
  2. Medicare1
  3. POS1
  4. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ian Roy'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 Dr. Ian Roy

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. Ian Roy's NPI number?

Dr. Ian Roy's NPI number is 1073995320. It was assigned on June 23, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Ian Roy?

Dr. Ian Roy is an internist in West Hollywood, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Ian Roy practice?

Dr. Roy practices at 8700 Beverly Blvd, Los Angeles, CA 90048. Dr. Roy's primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. Dmand AI also links Dr. Roy to 1 hospital, 1 physician office and 1 home health agency.

What is Dr. Ian Roy's office phone number?

The practice phone on file for Dr. Roy is (310) 423-5000.

What is Dr. Ian Roy's medical license number?

Dr. Roy holds California license A148748.

Which hospitals is Dr. Ian Roy affiliated with?

Dr. Roy practices at Cedars-Sinai Medical Center in Los Angeles, California. Dr. Roy is also affiliated with Providence Saint John's Health Center. Dmand AI links Dr. Roy to 1 more hospital.

Does Dr. Ian Roy accept Medicare?

Yes. CMS data shows Dr. Roy billed Medicare for 2,951 services in 2024, and Dr. Roy accepts Medicare assignment.

How many Medicare patients does Dr. Ian Roy see?

CMS counts 589 Medicare patients who saw Dr. Roy in 2024, with an average age of 78.

Is Dr. Ian Roy board certified?

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

What services does Dr. Ian Roy bill to Medicare?

In 2024, Dr. Roy's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).

Show 7 more questionsShow fewer questions

Where did Dr. Ian Roy go to medical school?

Dr. Roy graduated from Keck School of Medicine of USC in 2015.

What drugs does Dr. Ian Roy prescribe most?

In 2024 Medicare Part D data, Dr. Roy's most prescribed drugs by claims were Carvedilol and Eliquis.

Has Dr. Ian Roy received payments from drug or device companies?

CMS Open Payments shows $517 in general payments to Dr. Roy from 3 companies from 2018 to 2019. The largest total came from Allergan Inc.

How long has Dr. Ian Roy been practicing?

Dr. Roy graduated from medical school in 2015, 11 years ago.

Does Dr. Ian Roy do research?

Dmand AI links 1 publication to Dr. Roy.

Who does Dr. Ian Roy publish with?

Dr. Roy's most frequent co-authors are Brian Peter Dickinson, MD (1 shared paper) and Malcolm Alan Lesavoy, FACS, MD (1 shared paper).

What insurance does Dr. Ian Roy accept?

Dr. Roy is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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