Dr. Maria Gabriela Gregory, MD
- Medicare services, 2024
- 503
- Medicare patients, 2024
- 186
- Part D claims, 2024
- 307
- Hospital affiliations
- 1
- Industry payments
- $14,181
- Practice address
- 4268 Roanridge Ave, Las Vegas, NV 89120
- Practice phone
- Call (702) 478-9971
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bauza Neuropsychiatry Center
Las Vegas, Nevada
Find Dr. Gregory'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. Maria Gabriela Gregory is a neurologist in Las Vegas, Nevada
Dr. Gregory practices at Bauza Neuropsychiatry Center in Las Vegas, Nevada.
Dr. Gregory's NPI, 1639148596, was assigned on March 14, 2006. Dr. Gregory graduated from University of California, Geffen School of Medicine in 1988. Dr. Gregory holds Nevada license 6444.
- NPI
- 1639148596NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709840440
- NPI enumeration date
- March 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (702) 478-9971
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria Gabriela Gregory practices at Bauza Neuropsychiatry Center in Las Vegas, Nevada
Dr. Gregory's primary practice is Bauza Neuropsychiatry Center, at 4268 Roanridge Ave, Las Vegas, NV 89120 in Clark County. The practice phone is (702) 478-9971.
- Bauza Neuropsychiatry Center4268 Roanridge Ave, Las Vegas, NV 89120 · Clark CountyPhone(702) 478-9971
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Maria Gabriela Gregory is affiliated with 3 sites of care and 2 medical groups
Dr. Gregory's primary practice is Bauza Neuropsychiatry Center in Las Vegas, Nevada. Dr. Gregory is also affiliated with Clovis Community Medical Center. The medical group on file is Access TeleCare. Dmand AI also links Dr. Gregory to 1 more group practice or clinic 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. Maria Gabriela Gregory's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregory practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bauza Neuropsychiatry Center | 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. Maria Gabriela Gregory is one of 115 neurologists in Nevada
Neurology is Dr. Gregory's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Gregory is licensed in Nevada.
Specialties and state licenses
- Neurology, NevadaPrimary
Neurologists near Dr. Gregory
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. Maria Gabriela Gregory billed Medicare for 503 services in 2024
CMS data shows 503 Medicare services from Dr. Gregory across 11 procedure codes in 2024, for 186 Medicare patients. Medicare paid $46,912 for them.
Dr. Gregory's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5082024: 36528%
- Tests and treatments
- 2023: 1552024: 13811%
Where Dr. Gregory's Medicare services took place, 2024
- In an office11723%
- In a facility38677%
Dr. Gregory compared with the Nevada median for neurologists, 2024
- Dr. Gregory
- Nevada median
- Medicare services
- 503vs 97548% below
- Medicare patients
- 186vs 31541% below
- Part D claims
- 96vs 77288% below
Medians across 102 neurologists in Nevada with Dmand AI profiles that report each measure.
Dr. Gregory'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. Maria Gabriela Gregory treated 186 Medicare patients in 2024, average age 70
CMS counts 186 Medicare patients who saw Dr. Gregory in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.35, 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. Gregory's median patient age at 65, with 55% women.
Dr. Gregory's Medicare patients by age, 2024
Dr. Gregory's Medicare patients by sex, 2024
- Women10858%
- Men7842%
Chronic conditions among Dr. Gregory's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders52%
- Anxiety51%
- Arthritis51%
- Depression51%
- Stroke or TIA44%
- Diabetes41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gregory's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maria Gabriela Gregory wrote 307 Medicare Part D claims in 2024
In 2024, Dr. Gregory wrote 307 Medicare Part D claims for 73 patients. 87% of them were for generic drugs. CMS names the drug for 96 of them, across 4 drugs with 11 or more claims each, at $1,614 in total drug cost. In 2023, CMS named 238 claims across 17 drugs.
Dr. Gregory's Part D claims by kind of drug, 2024
- Generic268 claims87%
- Brand-name39 claims13%
Dr. Gregory'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: 2382024: 9660%
Drugs named by CMS: 4 in 2024, 17 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
Dr. Maria Gabriela Gregory offers telehealth to Medicare patients
Dr. Gregory accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gregory as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Maria Gabriela Gregory received $14,181 in industry payments from 2016 to 2025
CMS Open Payments shows 498 general payments to Dr. Gregory from 49 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 89% of the total. EMD Serono, Inc. paid the most, $2,210.
General payments to Dr. Gregory by program year, 2016 to 2025
General payments to Dr. Gregory by kind, 2016 to 2025
- Food and beverage$12,62889%
- Consulting fees$1,37510%
- Education$1781%
Companies that paid Dr. Gregory the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maria Gabriela Gregory graduated from University of California, Geffen School of Medicine
Dr. Gregory graduated from University of California, Geffen School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maria Gabriela Gregory'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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Maria Gabriela Gregory
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. Maria Gabriela Gregory's NPI number?
Dr. Maria Gabriela Gregory's NPI number is 1639148596. It was assigned on March 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria Gabriela Gregory?
Dr. Maria Gabriela Gregory is a neurologist in Las Vegas, Nevada. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Maria Gabriela Gregory practice?
Dr. Gregory practices at 4268 Roanridge Ave, Las Vegas, NV 89120. Dr. Gregory's primary practice is Bauza Neuropsychiatry Center in Las Vegas, Nevada. Dmand AI also links Dr. Gregory to 1 group practice or clinic and 1 medical group.
What is Dr. Maria Gabriela Gregory's office phone number?
The practice phone on file for Dr. Gregory is (702) 478-9971.
What is Dr. Maria Gabriela Gregory's medical license number?
Dr. Gregory holds Nevada license 6444.
Which hospitals is Dr. Maria Gabriela Gregory affiliated with?
Dr. Gregory is affiliated with Clovis Community Medical Center.
What medical group is Dr. Maria Gabriela Gregory part of?
Dr. Gregory is linked to Access TeleCare. Dmand AI links Dr. Gregory to 1 more medical group.
Does Dr. Maria Gabriela Gregory accept Medicare?
Yes. CMS data shows Dr. Gregory billed Medicare for 503 services in 2024, and Dr. Gregory accepts Medicare assignment.
Does Dr. Maria Gabriela Gregory offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gregory as offering telehealth services.
How many Medicare patients does Dr. Maria Gabriela Gregory see?
CMS counts 186 Medicare patients who saw Dr. Gregory in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. Maria Gabriela Gregory bill to Medicare?
In 2024, Dr. Gregory's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99233).
Where did Dr. Maria Gabriela Gregory go to medical school?
Dr. Gregory graduated from University of California, Geffen School of Medicine in 1988.
What drugs does Dr. Maria Gabriela Gregory prescribe most?
In 2024 Medicare Part D data, Dr. Gregory's most prescribed drugs by claims were Donepezil HCl, Memantine HCl and Sumatriptan Succinate.
Has Dr. Maria Gabriela Gregory received payments from drug or device companies?
CMS Open Payments shows $14,181 in general payments to Dr. Gregory from 49 companies from 2016 to 2025. The largest total came from EMD Serono, Inc.
How long has Dr. Maria Gabriela Gregory been practicing?
Dr. Gregory graduated from medical school in 1988, 38 years ago.
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