Dr. Holly J. Maggiano, MD
- Medicare services, 2024
- 358
- Medicare patients, 2024
- 246
- Part D claims, 2024
- 6,694
- Hospital affiliations
- 2
- Industry payments
- $4,027
- Practice address
- 983 Niles Cortland SE Rd, Warren, OH 44484
- Practice phone
- Call (330) 856-5003
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Holly J Maggiano MD Inc
Warren, Ohio
Find Dr. Maggiano'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. Holly J. Maggiano is a neurologist in Warren, Ohio
Dr. Maggiano practices at Holly J Maggiano MD Inc in Warren, Ohio.
Dr. Maggiano's NPI, 1104898493, was assigned on February 2, 2006. Dr. Maggiano graduated from Toledo Medical College in 1989. Dr. Maggiano holds Ohio license 35065705.
- NPI
- 1104898493NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042407264
- NPI enumeration date
- February 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 856-5003
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Holly J. Maggiano practices at Holly J Maggiano MD Inc in Warren, Ohio
Dr. Maggiano's primary practice is Holly J Maggiano MD Inc, at 983 Niles Cortland SE Rd, Warren, OH 44484 in Trumbull County. The practice phone is (330) 856-5003.
- Holly J Maggiano MD Inc983 Niles Cortland SE Rd, Warren, OH 44484 · Trumbull CountyPhone(330) 856-5003
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Holly J. Maggiano is affiliated with 6 sites of care and 2 medical groups
Dr. Maggiano's primary practice is Holly J Maggiano MD Inc in Warren, Ohio. Dr. Maggiano is also affiliated with Mercy Health - St. Joseph Warren Hospital. The medical group on file is Holly J. Maggiano MD Inc. Dmand AI also links Dr. Maggiano to 1 more hospital, 1 home health agency, 1 hospice, 1 therapy and rehab clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Holly J. Maggiano's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maggiano practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holly J Maggiano MD Inc | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Holly J. Maggiano is one of 738 neurologists in Ohio
Neurology is Dr. Maggiano's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Maggiano is licensed in Ohio.
Specialties and state licenses
- Neurology, OhioPrimary
Neurologists near Dr. Maggiano
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. Holly J. Maggiano billed Medicare for 358 services in 2024
CMS data shows 358 Medicare services from Dr. Maggiano across 3 procedure codes in 2024, all of them office visits, for 246 Medicare patients. Medicare paid $31,552 for them. Every service was in an office.
Dr. Maggiano's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3512024: 3582%
Dr. Maggiano compared with the Ohio median for neurologists, 2024
- Dr. Maggiano
- Ohio median
- Medicare services
- 358vs 31514% above
- Medicare patients
- 246vs 19626% above
- Part D claims
- 6,231vs 40915.2 times
Medians across 700 neurologists in Ohio with Dmand AI profiles that report each measure.
Dr. Maggiano'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maggiano and other neurologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Holly J. Maggiano treated 246 Medicare patients in 2024, average age 69
CMS counts 246 Medicare patients who saw Dr. Maggiano in 2024. The largest group is 65 to 74, with 90 patients. 72% of them have high cholesterol, and 63% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Maggiano's median patient age at 75, with 56% women.
Dr. Maggiano's Medicare patients by age, 2024
Dr. Maggiano's Medicare patients by sex, 2024
- Women15362%
- Men9338%
Chronic conditions among Dr. Maggiano's Medicare patients, 2024
- High cholesterol72%
- High blood pressure63%
- Arthritis48%
- Diabetes30%
- Mood disorders30%
- Anxiety28%
- Depression25%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Maggiano's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Holly J. Maggiano wrote 6,694 Medicare Part D claims in 2024
In 2024, Dr. Maggiano wrote 6,694 Medicare Part D claims for 597 patients. 88% of them were for generic drugs. CMS names the drug for 6,231 of them, across 103 drugs with 11 or more claims each, at $2,049,648 in total drug cost. In 2023, CMS named 6,010 claims across 94 drugs.
Dr. Maggiano's Part D claims by kind of drug, 2024
- Generic5,858 claims88%
- Brand-name807 claims12%
- Other29 claims0%
Dr. Maggiano'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. Maggiano's Part D claims, 2024
- Opioids6%430 of 6,694 claims
- Antibiotics1%45 of 6,694 claims
- Antipsychotics, patients 65 and over1%100 of 6,694 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: 6,0102024: 6,2314%
Drugs named by CMS: 103 in 2024, 94 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. Holly J. Maggiano takes part in Medicare
Dr. Maggiano 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. Holly J. Maggiano received $4,027 in industry payments from 2016 to 2025
CMS Open Payments shows 327 general payments to Dr. Maggiano from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. UCB, Inc. paid the most, $615.
General payments to Dr. Maggiano by program year, 2016 to 2025
General payments to Dr. Maggiano by kind, 2016 to 2025
- Food and beverage$3,75193%
- Education$2556%
- Speaker and faculty fees$190%
- Gifts$10%
Companies that paid Dr. Maggiano 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. Holly J. Maggiano graduated from Toledo Medical College
Dr. Maggiano graduated from Toledo Medical College in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Holly J. Maggiano'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 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. Holly J. Maggiano
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. Holly J. Maggiano's NPI number?
Dr. Holly J. Maggiano's NPI number is 1104898493. It was assigned on February 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Holly J. Maggiano?
Dr. Holly J. Maggiano is a neurologist in Warren, Ohio. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Holly J. Maggiano practice?
Dr. Maggiano practices at 983 Niles Cortland SE Rd, Warren, OH 44484. Dr. Maggiano's primary practice is Holly J Maggiano MD Inc in Warren, Ohio. Dmand AI also links Dr. Maggiano to 1 hospital, 1 home health agency, 1 hospice, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Holly J. Maggiano's office phone number?
The practice phone on file for Dr. Maggiano is (330) 856-5003.
What is Dr. Holly J. Maggiano's medical license number?
Dr. Maggiano holds Ohio license 35065705.
Which hospitals is Dr. Holly J. Maggiano affiliated with?
Dr. Maggiano is affiliated with Mercy Health - St. Joseph Warren Hospital. Dmand AI links Dr. Maggiano to 1 more hospital.
What medical group is Dr. Holly J. Maggiano part of?
Dr. Maggiano is linked to Holly J. Maggiano MD Inc. Dmand AI links Dr. Maggiano to 1 more medical group.
Does Dr. Holly J. Maggiano accept Medicare?
Yes. CMS data shows Dr. Maggiano billed Medicare for 358 services in 2024, and Dr. Maggiano accepts Medicare assignment.
How many Medicare patients does Dr. Holly J. Maggiano see?
CMS counts 246 Medicare patients who saw Dr. Maggiano in 2024, with an average age of 69.
What services does Dr. Holly J. Maggiano bill to Medicare?
In 2024, Dr. Maggiano's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99205) and office visit, new patient (99204).
Show 4 more questionsShow fewer questions
Where did Dr. Holly J. Maggiano go to medical school?
Dr. Maggiano graduated from Toledo Medical College in 1989.
What drugs does Dr. Holly J. Maggiano prescribe most?
In 2024 Medicare Part D data, Dr. Maggiano's most prescribed drugs by claims were Lamotrigine, Levetiracetam and Gabapentin.
Has Dr. Holly J. Maggiano received payments from drug or device companies?
CMS Open Payments shows $4,027 in general payments to Dr. Maggiano from 23 companies from 2016 to 2025. The largest total came from UCB, Inc.
How long has Dr. Holly J. Maggiano been practicing?
Dr. Maggiano graduated from medical school in 1989, 37 years ago.
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