Dr. Cumara M. O'Carroll, MD

  • Phoenix, AZ
  • Neurologist
NPI1215161898PAC ID9436396686
Medicare services, 2024
313
Medicare patients, 2024
201
Part D claims, 2024
46
Publications
59
MIPS score, 2024
86
Practice address
5777 East Mayo Boulevard, Phoenix, AZ 85054
Practice phone
Call (480) 342-4201
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mayo Clinic Hospital - Phoenix

Hospital · Phoenix, Arizona

See all 4 affiliations

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Dr. Cumara M. O'Carroll is a neurologist in Phoenix, Arizona

Dr. O'Carroll practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic.

Dr. O'Carroll's NPI, 1215161898, was assigned on May 11, 2009. Dr. O'Carroll holds Arizona license 43317.

NPI and contact details
Medicare PAC ID
9436396686
NPI enumeration date
May 11, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(480) 342-4201
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
43
Medical school graduation
2009

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

Dr. Cumara M. O'Carroll practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona

Dr. O'Carroll's primary practice is Mayo Clinic Hospital - Phoenix, at 5777 East Mayo Boulevard, Phoenix, AZ 85054 in Maricopa County. The practice phone is (480) 342-4201.

Source: Dmand AI Affiliation Data

Dr. Cumara M. O'Carroll is affiliated with 2 sites of care and 2 medical groups

Dr. O'Carroll's primary practice is Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic. The medical group on file is Mayo Clinic Arizona. Dmand AI also links Dr. O'Carroll to 1 more ambulatory surgery center and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. O'Carroll

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

Dmand AI tracks the EHR system at Dr. Cumara M. O'Carroll's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Carroll practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mayo Clinic Hospital - PhoenixAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Cumara M. O'Carroll is one of 395 neurologists in Arizona

Neurology is Dr. O'Carroll's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. O'Carroll's licenses on file in 9 states: Arizona, Florida, Iowa, Maine, Minnesota, Missouri, Nevada, Vermont and Wisconsin.

Specialties and state licenses

  • Neurology, ArizonaPrimaryLicense 43317 · taxonomy 2084N0400X
  • Florida licenseLicense ME134309
  • Iowa licenseLicense MD-44708
  • Maine licenseLicense MD20296
  • Minnesota licenseLicense 63096
  • Missouri licenseLicense 2017042151
  • Nevada licenseLicense 16840
  • Vermont licenseLicense 042.0012977
  • Wisconsin licenseLicense 68348

Neurologists near Dr. O'Carroll

Counts of neurologists 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. Cumara M. O'Carroll billed Medicare for 313 services in 2024

CMS data shows 313 Medicare services from Dr. O'Carroll across 7 procedure codes in 2024, for 201 Medicare patients. Medicare paid $24,788 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024313
Medicare patients201
Paid by Medicare$24,788
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 3422024: 3138%

Dr. O'Carroll compared with the Arizona median for neurologists, 2024

  • Dr. O'Carroll
  • Arizona median
Medicare services
313vs 51239% below
Medicare patients
201vs 27226% below
Part D claims
17vs 48797% below

Medians across 365 neurologists in Arizona with Dmand AI profiles that report each measure.

Dr. O'Carroll'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. O'Carroll

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

Dr. Cumara M. O'Carroll treated 201 Medicare patients in 2024, average age 78

CMS counts 201 Medicare patients who saw Dr. O'Carroll in 2024. The largest group is 75 to 84, with 98 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.83, 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. O'Carroll's median patient age at 76, with 50% women.

Medicare patients, 2024201
Average age78
Average risk score1.83
Also on Medicaid6%

Dr. O'Carroll's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. O'Carroll's Medicare patients by sex, 2024

  • Women8643%
  • Men11557%

Chronic conditions among Dr. O'Carroll's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Stroke or TIA75%
  4. Arthritis52%
  5. Ischemic heart disease49%
  6. Chronic kidney disease41%
  7. Diabetes35%
  8. Atrial fibrillation34%

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

Dr. O'Carroll's patients across all payers

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

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women50%
  • Men48%

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

Dr. Cumara M. O'Carroll wrote 46 Medicare Part D claims in 2024

In 2024, Dr. O'Carroll wrote 46 Medicare Part D claims. 98% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $114 in total drug cost. In 2021, CMS named 13 claims across 1 drug.

Part D claims, 202446
Drugs named by CMS1
Total drug cost$114

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

  • Generic45 claims98%
  • Brand-name and other1 claims2%

Dr. O'Carroll'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.

Part D claims for drugs CMS names, 2021 to 2024

  • 2021
  • 2024
Claims for drugs CMS names
2021: 132024: 1731%

Drugs named by CMS: 1 in 2024, 1 in 2021.

See all prescribing by Dr. O'Carroll

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. Cumara M. O'Carroll scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. O'Carroll for performance year 2024, reported as part of a group. Dr. O'Carroll accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Carroll as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. O'Carroll's MIPS scores, performance year 2024

  • 86of 100Final score
  • 78.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

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

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

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Dr. Cumara M. O'Carroll has 59 publications on record

Dmand AI links 59 papers to Dr. O'Carroll, published from 2014 to 2024. 2021 was the busiest year, with 8. The most frequent topics are Stroke, Fibrinolytic Agents and Thrombolytic Therapy. Dr. O'Carroll has published most often in Neurologist. Dr. O'Carroll's most frequent co-authors are Bart M. Demaerschalk, MD, Dean M. Wingerchuk, MD and Oana M. Dumitrascu, MD.

Papers59
Years published2014 to 2024

Dr. O'Carroll's papers by year, 2014 to 2024

Topics Dr. O'Carroll writes about most

  • Stroke
  • Fibrinolytic Agents
  • Thrombolytic Therapy
  • Brain Ischemia
  • Randomized Controlled Trials as Topic
  • Uganda
  • Cerebral Hemorrhage
  • HIV Infections

Dr. O'Carroll's most frequent co-authors

Recent publications by Dr. O'Carroll

See all 59 publications and co-authors

See who Dr. O'Carroll researches with

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

How network discovery works

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

Dr. Cumara M. O'Carroll received $452 in industry payments from 2017 to 2018

CMS Open Payments shows 3 general payments to Dr. O'Carroll from 2 drug and device companies from 2017 to 2018. Speaker and faculty fees make up the largest share, 55% of the total. Stryker Corporation paid the most, $250.

General payments to Dr. O'Carroll by program year, 2017 to 2018

General payments to Dr. O'Carroll by kind, 2017 to 2018

$452in total
  • Speaker and faculty fees$25055%
  • Food and beverage$20245%

Companies that paid Dr. O'Carroll the most, 2017 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. O'Carroll

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

Sources for Dr. Cumara M. O'Carroll'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)Clinician Public Reporting: Overall MIPS Performance (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)
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. Cumara M. O'Carroll

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. Cumara M. O'Carroll's NPI number?

Dr. Cumara M. O'Carroll's NPI number is 1215161898. It was assigned on May 11, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Cumara M. O'Carroll?

Dr. Cumara M. O'Carroll is a neurologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Cumara M. O'Carroll practice?

Dr. O'Carroll practices at 5777 East Mayo Boulevard, Phoenix, AZ 85054. Dr. O'Carroll's primary practice is Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic. Dmand AI also links Dr. O'Carroll to 1 ambulatory surgery center and 1 medical group.

What is Dr. Cumara M. O'Carroll's office phone number?

The practice phone on file for Dr. O'Carroll is (480) 342-4201.

What is Dr. Cumara M. O'Carroll's medical license number?

Dr. O'Carroll holds Arizona license 43317, one of the licenses on file in 9 states.

Which states has Dr. Cumara M. O'Carroll been licensed in?

Dmand AI has state licenses on file for Dr. O'Carroll in Arizona, Florida, Iowa, Maine, Minnesota, Missouri, Nevada, Vermont and Wisconsin.

Which hospitals is Dr. Cumara M. O'Carroll affiliated with?

Dr. O'Carroll practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona.

What medical group is Dr. Cumara M. O'Carroll part of?

Dr. O'Carroll is linked to Mayo Clinic Arizona. Dmand AI links Dr. O'Carroll to 1 more medical group.

Does Dr. Cumara M. O'Carroll accept Medicare?

Yes. CMS data shows Dr. O'Carroll billed Medicare for 313 services in 2024, and Dr. O'Carroll accepts Medicare assignment.

Does Dr. Cumara M. O'Carroll offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. O'Carroll as offering telehealth services.

Show 8 more questionsShow fewer questions

What is Dr. Cumara M. O'Carroll's MIPS score?

Dr. O'Carroll's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

How many Medicare patients does Dr. Cumara M. O'Carroll see?

CMS counts 201 Medicare patients who saw Dr. O'Carroll in 2024, with an average age of 78.

What services does Dr. Cumara M. O'Carroll bill to Medicare?

In 2024, Dr. O'Carroll's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99223) and hospital inpatient care (99222).

What drugs does Dr. Cumara M. O'Carroll prescribe most?

In 2024 Medicare Part D data, Dr. O'Carroll's most prescribed drugs by claims were Prednisone.

Has Dr. Cumara M. O'Carroll received payments from drug or device companies?

CMS Open Payments shows $452 in general payments to Dr. O'Carroll from 2 companies from 2017 to 2018. The largest total came from Stryker Corporation.

How long has Dr. Cumara M. O'Carroll been practicing?

Dr. O'Carroll graduated from medical school in 2009, 17 years ago.

Does Dr. Cumara M. O'Carroll do research?

Dmand AI links 59 publications to Dr. O'Carroll, published from 2014 to 2024.

Who does Dr. Cumara M. O'Carroll publish with?

Dr. O'Carroll's most frequent co-authors are Bart M. Demaerschalk, MD (23 shared papers), Dean M. Wingerchuk, MD (18 shared papers) and Oana M. Dumitrascu, MD (13 shared papers).

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