Dr. Mary Catherine Catherine Mayo, MD

  • Santa Monica, CA
  • Neurologist
NPI1922326735PAC ID3274754726
Medicare services, 2024
7,938
Medicare patients, 2024
390
Part D claims, 2024
1,994
Publications
10
MIPS score, 2024
87
Practice address
1801 Wilshire Blvd, Santa Monica, CA 90403
Practice phone
Call (310) 391-7281
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Regents of the University of California Los Angeles

Santa Monica, California

See all 8 affiliations

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Dr. Mary Catherine Catherine Mayo is a neurologist in Santa Monica, California

Dr. Mayo practices at Regents of the University of California Los Angeles in Santa Monica, California.

Dr. Mayo's NPI, 1922326735, was assigned on May 5, 2010. Dr. Mayo graduated from Keck School of Medicine of USC in 2010. Dr. Mayo holds California license 120511.

NPI and contact details
Medicare PAC ID
3274754726
NPI enumeration date
May 5, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 391-7281
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

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

Dr. Mary Catherine Catherine Mayo practices at Regents of the University of California Los Angeles in Santa Monica, California

Dr. Mayo's primary practice is Regents of the University of California Los Angeles, at 1801 Wilshire Blvd, Santa Monica, CA 90403 in Los Angeles County. The practice phone is (310) 391-7281.

  • Regents of the University of California Los Angeles
    1801 Wilshire Blvd, Santa Monica, CA 90403 · Los Angeles CountyPhone(310) 391-7281

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

Dr. Mary Catherine Catherine Mayo is affiliated with 6 sites of care and 2 medical groups

Dr. Mayo's primary practice is Regents of the University of California Los Angeles in Santa Monica, California. Dr. Mayo is also affiliated with UCLA Santa Monica Medical Center. The medical group on file is UCLA Neurology. Dmand AI also links Dr. Mayo to 1 more hospital, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Mayo

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

Dmand AI tracks the EHR system at Dr. Mary Catherine Catherine Mayo's practice

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

EHR by site
SiteEHR vendor and product
Regents of the University of California Los AngelesAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mary Catherine Catherine Mayo is one of 2,207 neurologists in California

Neurology is Dr. Mayo's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Mayo is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Mayo is licensed in California.

Specialties and state licenses

  • Neurology, CaliforniaPrimaryLicense 120511 · 2012 to 2027 · taxonomy 2084N0400X

Clinical focus

Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, carpal tunnel syndrome, cerebrovascular disease, encephalopathy, epilepsy, essential tremor and fibromyalgia and chronic pain among the conditions Dr. Mayo treats.

Neurologists near Dr. Mayo

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. Mary Catherine Catherine Mayo billed Medicare for 7,938 services in 2024

CMS data shows 7,938 Medicare services from Dr. Mayo across 6 procedure codes in 2024, for 390 Medicare patients. Medicare paid $142,109 for them. Every service was in an office.

Medicare services, 20247,938
Medicare patients390
Paid by Medicare$142,109
Procedure codes6

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

  • 2023
  • 2024
Drugs given in the office
2023: 6,0502024: 6,5608%
Office and hospital visits
2023: 7182024: 7081%
Other services
2023: 02024: 670

Dr. Mayo compared with the California median for neurologists, 2024

  • Dr. Mayo
  • California median
Medicare services
7,938vs 40419.6 times
Medicare patients
390vs 1902.1 times
Part D claims
1,827vs 3245.6 times

Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.

Dr. Mayo'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. Mayo

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

Dr. Mary Catherine Catherine Mayo treated 390 Medicare patients in 2024, average age 75

CMS counts 390 Medicare patients who saw Dr. Mayo in 2024. The largest group is 75 to 84, with 160 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.65, 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. Mayo's median patient age at 68, with 62% women.

Medicare patients, 2024390
Average age75
Average risk score1.65
Also on Medicaid23%

Dr. Mayo's Medicare patients by age, 2024

Dr. Mayo's Medicare patients by sex, 2024

  • Women21956%
  • Men17144%

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

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis56%
  4. Mood disorders45%
  5. Depression40%
  6. Anxiety34%
  7. Alzheimer's and dementia32%
  8. Ischemic heart disease32%

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

Dr. Mayo's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women62%
  • Men37%

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

Dr. Mary Catherine Catherine Mayo wrote 1,994 Medicare Part D claims in 2024

In 2024, Dr. Mayo wrote 1,994 Medicare Part D claims for 372 patients. 89% of them were for generic drugs. CMS names the drug for 1,827 of them, across 39 drugs with 11 or more claims each, at $465,352 in total drug cost. In 2023, CMS named 1,693 claims across 37 drugs.

Part D claims, 20241,994
Drugs named by CMS39
Total drug cost$465,352
Part D patients372

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

  • Generic1,784 claims89%
  • Brand-name210 claims11%

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

  • Antipsychotics, patients 65 and over5%93 of 1,994 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: 1,6932024: 1,8278%

Drugs named by CMS: 39 in 2024, 37 in 2023.

See all prescribing by Dr. Mayo

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. Mary Catherine Catherine Mayo scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Mayo for performance year 2024, reported as part of a group. Dr. Mayo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mayo as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Mayo's MIPS scores, performance year 2024

  • 87of 100Final score
  • 80.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 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. Mary Catherine Catherine Mayo has 10 publications on record

Dmand AI links 10 papers to Dr. Mayo, published from 2006 to 2014. The most frequent topics are Cell Line, Transcription, Genetic and Binding Sites. Dr. Mayo has published most often in Oncogene. Dr. Mayo's most frequent co-authors are Soonmee Cha, MD, Mitchel S. Berger, MD and Adam L. Boxer, MD.

Papers10
Years published2006 to 2014

Dr. Mayo's papers by year, 2006 to 2014

Topics Dr. Mayo writes about most

  • Cell Line
  • Transcription, Genetic
  • Binding Sites
  • Cell Line, Tumor
  • Diffusion Magnetic Resonance Imaging
  • Gene Expression Regulation
  • Models, Biological
  • Phosphorylation

Dr. Mayo's most frequent co-authors

Recent publications by Dr. Mayo

See all 10 publications and co-authors

See who Dr. Mayo researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mayo 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. Mary Catherine Catherine Mayo received $10,086 in industry payments from 2016 to 2025

CMS Open Payments shows 182 general payments to Dr. Mayo from 29 drug and device companies from 2016 to 2025. Grants make up the largest share, 62% of the total. Medtronic USA, Inc. paid the most, $6,271.

General payments to Dr. Mayo by program year, 2016 to 2025

General payments to Dr. Mayo by kind, 2016 to 2025

$10.1Kin total
  • Grants$6,25062%
  • Food and beverage$3,81638%
  • Education$200%

Companies that paid Dr. Mayo the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mayo

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

Dr. Mary Catherine Catherine Mayo graduated from Keck School of Medicine of USC

Dr. Mayo graduated from Keck School of Medicine of USC in 2010.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Mary Catherine Catherine Mayo accepts plans from 14 insurance carriers

Dr. Mayo is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Mayo accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare7
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Mary Catherine Catherine Mayo'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)
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. Mary Catherine Catherine Mayo

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. Mary Catherine Catherine Mayo's NPI number?

Dr. Mary Catherine Catherine Mayo's NPI number is 1922326735. It was assigned on May 5, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Mary Catherine Catherine Mayo?

Dr. Mary Catherine Catherine Mayo is a neurologist in Santa Monica, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Mary Catherine Catherine Mayo practice?

Dr. Mayo practices at 1801 Wilshire Blvd, Santa Monica, CA 90403. Dr. Mayo's primary practice is Regents of the University of California Los Angeles in Santa Monica, California. Dmand AI also links Dr. Mayo to 1 hospital, 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Dr. Mary Catherine Catherine Mayo's office phone number?

The practice phone on file for Dr. Mayo is (310) 391-7281.

What is Dr. Mary Catherine Catherine Mayo's medical license number?

Dr. Mayo holds California license 120511.

Which hospitals is Dr. Mary Catherine Catherine Mayo affiliated with?

Dr. Mayo is affiliated with UCLA Santa Monica Medical Center. Dmand AI links Dr. Mayo to 1 more hospital.

What medical group is Dr. Mary Catherine Catherine Mayo part of?

Dr. Mayo is linked to UCLA Neurology. Dmand AI links Dr. Mayo to 1 more medical group.

Does Dr. Mary Catherine Catherine Mayo accept Medicare?

Yes. CMS data shows Dr. Mayo billed Medicare for 7,938 services in 2024, and Dr. Mayo accepts Medicare assignment.

Does Dr. Mary Catherine Catherine Mayo offer telehealth?

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

What is Dr. Mary Catherine Catherine Mayo's MIPS score?

Dr. Mayo's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Mary Catherine Catherine Mayo see?

CMS counts 390 Medicare patients who saw Dr. Mayo in 2024, with an average age of 75.

Is Dr. Mary Catherine Catherine Mayo board certified?

Yes. Dr. Mayo is board certified in neurology by the American Board of Psychiatry and Neurology.

What services does Dr. Mary Catherine Catherine Mayo bill to Medicare?

In 2024, Dr. Mayo's most billed Medicare services were injected or infused drug (J0585), medicare service (G2211) and office visit, established patient (99215).

Where did Dr. Mary Catherine Catherine Mayo go to medical school?

Dr. Mayo graduated from Keck School of Medicine of USC in 2010.

What drugs does Dr. Mary Catherine Catherine Mayo prescribe most?

In 2024 Medicare Part D data, Dr. Mayo's most prescribed drugs by claims were Carbidopa-Levodopa, Donepezil HCl and Memantine HCl.

Has Dr. Mary Catherine Catherine Mayo received payments from drug or device companies?

CMS Open Payments shows $10,086 in general payments to Dr. Mayo from 29 companies from 2016 to 2025. The largest total came from Medtronic USA, Inc.

How long has Dr. Mary Catherine Catherine Mayo been practicing?

Dr. Mayo graduated from medical school in 2010, 16 years ago.

Does Dr. Mary Catherine Catherine Mayo do research?

Dmand AI links 10 publications to Dr. Mayo, published from 2006 to 2014.

Who does Dr. Mary Catherine Catherine Mayo publish with?

Dr. Mayo's most frequent co-authors are Soonmee Cha, MD (2 shared papers), Mitchel S. Berger, MD (1 shared paper) and Adam L. Boxer, MD (1 shared paper).

What insurance does Dr. Mary Catherine Catherine Mayo accept?

Dr. Mayo is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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