Dr. Maria Montoya, MD
- Medicare services, 2024
- 849
- Medicare patients, 2024
- 569
- Part D claims, 2024
- 148
- Hospital affiliations
- 3
- Industry payments
- $63
- Practice address
- 1812 Verdugo Blvd, Glendale, CA 91208
- Practice phone
- Call (818) 790-7100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Montoya's professional email, personal email and mobile number
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Dr. Maria Montoya is an emergency medicine physician in Glendale, California
Dr. Montoya practices at USC Verdugo Hills Hospital in Glendale, California, part of University of Southern California.
Dr. Montoya's NPI, 1528002458, was assigned on June 14, 2006. Dr. Montoya graduated from University of California, Geffen School of Medicine in 1993. Dr. Montoya holds California license G84305.
- NPI
- 1528002458NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426090242
- NPI enumeration date
- June 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 790-7100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria Montoya practices at USC Verdugo Hills Hospital in Glendale, California
Dr. Montoya's primary practice is USC Verdugo Hills Hospital, at 1812 Verdugo Blvd, Glendale, CA 91208 in Los Angeles County. The practice phone is (818) 790-7100.
- USC Verdugo Hills Hospital1812 Verdugo Blvd, Glendale, CA 91208 · Los Angeles CountyPhone(818) 790-7100
Source: Dmand AI Affiliation Data
Dr. Maria Montoya is affiliated with 3 sites of care and 5 medical groups
Dr. Montoya's primary practice is USC Verdugo Hills Hospital in Glendale, California, part of University of Southern California. Dr. Montoya is also affiliated with Foothill Regional Medical Center. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Montoya to 1 more hospital and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maria Montoya's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Montoya practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| USC Verdugo Hills Hospital | Available with a free account |
| +2 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria Montoya is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Montoya's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Montoya is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Montoya
Counts of emergency medicine physicians 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 Montoya billed Medicare for 849 services in 2024
CMS data shows 849 Medicare services from Dr. Montoya across 5 procedure codes in 2024, for 569 Medicare patients. Medicare paid $69,176 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Montoya's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5752024: 5229%
- Tests and treatments
- 2023: 3552024: 3278%
- Surgery
- 2023: 112024: 0100%
Dr. Montoya compared with the California median for emergency medicine physicians, 2024
- Dr. Montoya
- California median
- Medicare services
- 849vs 2653.2 times
- Medicare patients
- 569vs 2432.3 times
- Part D claims
- 46vs 6226% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Montoya'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 Montoya treated 569 Medicare patients in 2024, average age 75
CMS counts 569 Medicare patients who saw Dr. Montoya in 2024. The largest group is 75 to 84, with 202 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 56% are also on Medicaid. Their average risk score is 2.36, 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. Montoya's median patient age at 53, with 55% women.
Dr. Montoya's Medicare patients by age, 2024
Dr. Montoya's Medicare patients by sex, 2024
- Women30554%
- Men26446%
Chronic conditions among Dr. Montoya's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Ischemic heart disease51%
- Diabetes49%
- Mood disorders47%
- Depression44%
- Chronic kidney disease43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Montoya's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
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 Montoya wrote 148 Medicare Part D claims in 2024
In 2024, Dr. Montoya wrote 148 Medicare Part D claims for 105 patients. 97% of them were for generic drugs. CMS names the drug for 46 of them, across 3 drugs with 11 or more claims each, at $342 in total drug cost. In 2023, CMS named 36 claims across 3 drugs.
Dr. Montoya's Part D claims by kind of drug, 2024
- Generic144 claims97%
- Brand-name and other4 claims3%
Dr. Montoya'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. Montoya's Part D claims, 2024
- Opioids18%26 of 148 claims
- Antibiotics48%71 of 148 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: 362024: 4628%
Drugs named by CMS: 3 in 2024, 3 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. Maria Montoya takes part in Medicare
Dr. Montoya 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. Maria Montoya received $63 in industry payments in 2024
CMS Open Payments shows 3 general payments to Dr. Montoya from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $40.
Companies that paid Dr. Montoya the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maria Montoya graduated from University of California, Geffen School of Medicine
Dr. Montoya graduated from University of California, Geffen School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maria Montoya'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Montoya
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 Montoya's NPI number?
Dr. Maria Montoya's NPI number is 1528002458. It was assigned on June 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria Montoya?
Dr. Maria Montoya is an emergency medicine physician in Glendale, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Maria Montoya practice?
Dr. Montoya practices at 1812 Verdugo Blvd, Glendale, CA 91208. Dr. Montoya's primary practice is USC Verdugo Hills Hospital in Glendale, California, part of University of Southern California. Dmand AI also links Dr. Montoya to 1 hospital and 4 medical groups.
What is Dr. Maria Montoya's office phone number?
The practice phone on file for Dr. Montoya is (818) 790-7100.
What is Dr. Maria Montoya's medical license number?
Dr. Montoya holds California license G84305.
Which hospitals is Dr. Maria Montoya affiliated with?
Dr. Montoya practices at USC Verdugo Hills Hospital in Glendale, California. Dr. Montoya is also affiliated with Foothill Regional Medical Center. Dmand AI links Dr. Montoya to 1 more hospital.
What medical group is Dr. Maria Montoya part of?
Dr. Montoya is linked to USC Care Medical Group. Dmand AI links Dr. Montoya to 4 more medical groups.
Does Dr. Maria Montoya accept Medicare?
Yes. CMS data shows Dr. Montoya billed Medicare for 849 services in 2024, and Dr. Montoya accepts Medicare assignment.
How many Medicare patients does Dr. Maria Montoya see?
CMS counts 569 Medicare patients who saw Dr. Montoya in 2024, with an average age of 75.
What services does Dr. Maria Montoya bill to Medicare?
In 2024, Dr. Montoya's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
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Where did Dr. Maria Montoya go to medical school?
Dr. Montoya graduated from University of California, Geffen School of Medicine in 1993.
What drugs does Dr. Maria Montoya prescribe most?
In 2024 Medicare Part D data, Dr. Montoya's most prescribed drugs by claims were Cefdinir, Tramadol HCl and Amoxicillin-Clavulanate Potass.
Has Dr. Maria Montoya received payments from drug or device companies?
CMS Open Payments shows $63 in general payments to Dr. Montoya from 2 companies from 2024 to 2024. The largest total came from Abiomed.
How long has Dr. Maria Montoya been practicing?
Dr. Montoya graduated from medical school in 1993, 33 years ago.
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