Dr. Robert J. Mazo, DO
- Medicare services, 2024
- 110
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 482
- Industry payments
- $904
- Affiliated sites
- 2
- Practice address
- 3016 W Charleston Blvd, Las Vegas, NV 89102
- Practice phone
- Call (702) 895-0497
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UNLV Medicine
Las Vegas, Nevada
Find Dr. Mazo'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. Robert J. Mazo is a neurologist in Las Vegas, Nevada
Dr. Mazo practices at UNLV Medicine in Las Vegas, Nevada.
Dr. Mazo's NPI, 1528042660, was assigned on December 2, 2005. Dr. Mazo holds Nevada license DO2446.
- NPI
- 1528042660NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365403029
- NPI enumeration date
- December 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (702) 895-0497
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert J. Mazo practices at UNLV Medicine in Las Vegas, Nevada
Dr. Mazo's primary practice is UNLV Medicine, at 3016 W Charleston Blvd, Las Vegas, NV 89102 in Clark County. The practice phone is (702) 895-0497.
- UNLV Medicine3016 W Charleston Blvd, Las Vegas, NV 89102 · Clark CountyPhone(702) 895-0497
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert J. Mazo is affiliated with 3 sites of care and 2 medical groups
Dr. Mazo's primary practice is UNLV Medicine in Las Vegas, Nevada. The medical group on file is UNLV Health. Dmand AI also links Dr. Mazo to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert J. Mazo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mazo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UNLV Medicine | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert J. Mazo is one of 115 neurologists in Nevada
Neurology is Dr. Mazo's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Mazo's licenses on file in 2 states: Nevada and Ohio.
Specialties and state licenses
- Neurology, NevadaPrimary
- Ohio license
Neurologists near Dr. Mazo
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. Robert J. Mazo billed Medicare for 110 services in 2024
CMS data shows 110 Medicare services from Dr. Mazo across 3 procedure codes in 2024, all of them office visits, for 68 Medicare patients. Medicare paid $7,925 for them. Every service was in an office.
Dr. Mazo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 882024: 11025%
Dr. Mazo compared with the Nevada median for neurologists, 2024
- Dr. Mazo
- Nevada median
- Medicare services
- 110vs 97589% below
- Medicare patients
- 68vs 31578% below
- Part D claims
- 309vs 77260% below
Medians across 102 neurologists in Nevada with Dmand AI profiles that report each measure.
Dr. Mazo'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. Robert J. Mazo treated 68 Medicare patients in 2024, average age 66
CMS counts 68 Medicare patients who saw Dr. Mazo in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 47% are also on Medicaid. Their average risk score is 1.51, 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. Mazo's median patient age at 66, with 61% women.
Dr. Mazo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mazo's Medicare patients by sex, 2024
- Women4059%
- Men2841%
Chronic conditions among Dr. Mazo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis46%
- Diabetes44%
- Mood disorders34%
- Depression32%
- Ischemic heart disease31%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mazo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert J. Mazo wrote 482 Medicare Part D claims in 2024
In 2024, Dr. Mazo wrote 482 Medicare Part D claims for 95 patients. 89% of them were for generic drugs. CMS names the drug for 309 of them, across 12 drugs with 11 or more claims each, at $8,195 in total drug cost. In 2023, CMS named 245 claims across 8 drugs.
Dr. Mazo's Part D claims by kind of drug, 2024
- Generic429 claims89%
- Brand-name and other53 claims11%
Dr. Mazo'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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2452024: 30926%
Drugs named by CMS: 12 in 2024, 8 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
How Dr. Robert J. Mazo takes part in Medicare
Dr. Mazo 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. Robert J. Mazo received $904 in industry payments from 2020 to 2025
CMS Open Payments shows 36 general payments to Dr. Mazo from 17 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $182.
General payments to Dr. Mazo by program year, 2020 to 2025
Companies that paid Dr. Mazo the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert J. Mazo'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Robert J. Mazo
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. Robert J. Mazo's NPI number?
Dr. Robert J. Mazo's NPI number is 1528042660. It was assigned on December 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert J. Mazo?
Dr. Robert J. Mazo is a neurologist in Las Vegas, Nevada. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Robert J. Mazo practice?
Dr. Mazo practices at 3016 W Charleston Blvd, Las Vegas, NV 89102. Dr. Mazo's primary practice is UNLV Medicine in Las Vegas, Nevada. Dmand AI also links Dr. Mazo to 2 group practices and clinics and 1 medical group.
What is Dr. Robert J. Mazo's office phone number?
The practice phone on file for Dr. Mazo is (702) 895-0497.
What is Dr. Robert J. Mazo's medical license number?
Dr. Mazo holds Nevada license DO2446, one of the licenses on file in 2 states.
Which states has Dr. Robert J. Mazo been licensed in?
Dmand AI has state licenses on file for Dr. Mazo in Nevada and Ohio.
What medical group is Dr. Robert J. Mazo part of?
Dr. Mazo is linked to UNLV Health. Dmand AI links Dr. Mazo to 1 more medical group.
Does Dr. Robert J. Mazo accept Medicare?
Yes. CMS data shows Dr. Mazo billed Medicare for 110 services in 2024, and Dr. Mazo accepts Medicare assignment.
How many Medicare patients does Dr. Robert J. Mazo see?
CMS counts 68 Medicare patients who saw Dr. Mazo in 2024, with an average age of 66.
What services does Dr. Robert J. Mazo bill to Medicare?
In 2024, Dr. Mazo's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and office visit, established patient (99214).
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What drugs does Dr. Robert J. Mazo prescribe most?
In 2024 Medicare Part D data, Dr. Mazo's most prescribed drugs by claims were Carbidopa-Levodopa, Donepezil HCl and Primidone.
Has Dr. Robert J. Mazo received payments from drug or device companies?
CMS Open Payments shows $904 in general payments to Dr. Mazo from 17 companies from 2020 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Robert J. Mazo been practicing?
Dr. Mazo graduated from medical school in 1971, 55 years ago.
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