Dr. Maria Brountzas, MD
- Medicare services, 2024
- 2,577
- Medicare patients, 2024
- 735
- Part D claims, 2024
- 7,401
- Hospital affiliations
- 4
- Industry payments
- $4,923
- Practice address
- 100 Port Washington Boulevard, Roslyn, NY 11576
- Practice phone
- Call (516) 562-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Brountzas' 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 Brountzas is an internist in Roslyn, New York
Dr. Brountzas practices at St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre.
Dr. Brountzas' NPI, 1548266471, was assigned on June 24, 2005. Dr. Brountzas graduated from SUNY Upstate Medical University in 1994. Dr. Brountzas' New York license number on file is 204113.
- NPI
- 1548266471NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416083605
- NPI enumeration date
- June 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (516) 562-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria Brountzas practices at St. Francis Hospital & Heart Center in Roslyn, New York
Dr. Brountzas' primary practice is St. Francis Hospital & Heart Center, at 100 Port Washington Boulevard, Roslyn, NY 11576 in Nassau County. The practice phone is (516) 562-6000.
- St. Francis Hospital & Heart Center100 Port Washington Boulevard, Roslyn, NY 11576 · Nassau CountyPhone(516) 562-6000
Source: Dmand AI Affiliation Data
Dr. Maria Brountzas is affiliated with 13 sites of care and 4 medical groups
Dr. Brountzas' primary practice is St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre. Dr. Brountzas is also affiliated with North Shore University Hospital. The medical group on file is Cardiac Interventional Group. Dmand AI also links Dr. Brountzas to 2 more hospitals, 5 home health agencies, 4 group practices and clinics and 3 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 Brountzas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brountzas practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Francis Hospital & Heart Center | Available with a free account |
| +12 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Diocese of Rockville Centre and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Maria Brountzas is one of 9,643 internists in New York
Internal medicine is Dr. Brountzas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Brountzas is board certified in internal medicine by the American Board of Internal Medicine. Dr. Brountzas has a license on file in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Clinical focus
Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, alzheimer's disease, aneurysm, ankle or foot injury and anxiety among the conditions Dr. Brountzas treats.
Internists near Dr. Brountzas
Counts of internists 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 Brountzas billed Medicare for 2,577 services in 2024
CMS data shows 2,577 Medicare services from Dr. Brountzas across 16 procedure codes in 2024, for 735 Medicare patients. Medicare paid $193,673 for them. Every service was in an office.
Dr. Brountzas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9212024: 9331%
- Other services
- 2023: 7632024: 8238%
- Tests and treatments
- 2023: 5182024: 5082%
- Surgery
- 2023: 742024: 283282%
- Drugs given in the office
- 2023: 02024: 30
Dr. Brountzas compared with the New York median for internists, 2024
- Dr. Brountzas
- New York median
- Medicare services
- 2,577vs 4266.0 times
- Medicare patients
- 735vs 1584.7 times
- Part D claims
- 6,731vs 62210.8 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Brountzas' 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.
Need commercial claims for Dr. Brountzas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Brountzas and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria Brountzas treated 735 Medicare patients in 2024, average age 77
CMS counts 735 Medicare patients who saw Dr. Brountzas in 2024. The largest group is 65 to 74, with 313 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 6% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Brountzas' median patient age at 62, with 78% women.
Dr. Brountzas' Medicare patients by age, 2024
Dr. Brountzas' Medicare patients by sex, 2024
- Women60682%
- Men12918%
Chronic conditions among Dr. Brountzas' Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis46%
- Osteoporosis30%
- Ischemic heart disease29%
- Anxiety21%
- Cancer18%
- Diabetes17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Brountzas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women78%
- Men19%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maria Brountzas wrote 7,401 Medicare Part D claims in 2024
In 2024, Dr. Brountzas wrote 7,401 Medicare Part D claims for 805 patients. 89% of them were for generic drugs. CMS names the drug for 6,731 of them, across 123 drugs with 11 or more claims each, at $377,929 in total drug cost. In 2023, CMS named 6,301 claims across 122 drugs.
Dr. Brountzas' Part D claims by kind of drug, 2024
- Generic6,612 claims89%
- Brand-name754 claims10%
- Other35 claims0%
Dr. Brountzas' 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. Brountzas' Part D claims, 2024
- Opioids0%22 of 7,401 claims
- Antibiotics2%159 of 7,401 claims
- Antipsychotics, patients 65 and over0%37 of 7,401 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: 6,3012024: 6,7317%
Drugs named by CMS: 123 in 2024, 122 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 Brountzas offers telehealth to Medicare patients
Dr. Brountzas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Brountzas as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Maria Brountzas received $4,923 in industry payments from 2020 to 2025
CMS Open Payments shows 224 general payments to Dr. Brountzas from 37 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $765.
General payments to Dr. Brountzas by program year, 2020 to 2025
Companies that paid Dr. Brountzas the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maria Brountzas has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Brountzas, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Brountzas
- 2013
- CMS Stage 1 EHR
- Undated
- Compassionate Doctors
Source: Dmand AI Professional Profile Data
Dr. Maria Brountzas graduated from SUNY Upstate Medical University
Dr. Brountzas graduated from SUNY Upstate Medical University in 1994. Dr. Brountzas is a member of ACP.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Maria Brountzas accepts plans from 16 insurance carriers
Dr. Brountzas is in network with 16 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Cigna
- +8 more carriersWith a free account
Plan types Dr. Brountzas accepts, by number of carriers
- PPO11
- Medicare10
- HMO7
- EPO4
- POS4
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. Maria Brountzas'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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Brountzas
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 Brountzas' NPI number?
Dr. Maria Brountzas' NPI number is 1548266471. It was assigned on June 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria Brountzas?
Dr. Maria Brountzas is an internist in Roslyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Maria Brountzas practice?
Dr. Brountzas practices at 100 Port Washington Boulevard, Roslyn, NY 11576. Dr. Brountzas' primary practice is St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre. Dmand AI also links Dr. Brountzas to 2 hospitals, 5 home health agencies, 4 group practices and clinics and 3 medical groups.
What is Dr. Maria Brountzas' office phone number?
The practice phone on file for Dr. Brountzas is (516) 562-6000.
What is Dr. Maria Brountzas' medical license number?
Dr. Brountzas' New York license number on file is 204113.
Which hospitals is Dr. Maria Brountzas affiliated with?
Dr. Brountzas practices at St. Francis Hospital & Heart Center in Roslyn, New York. Dr. Brountzas is also affiliated with North Shore University Hospital. Dmand AI links Dr. Brountzas to 2 more hospitals.
What medical group is Dr. Maria Brountzas part of?
Dr. Brountzas is linked to Cardiac Interventional Group. Dmand AI links Dr. Brountzas to 3 more medical groups.
Does Dr. Maria Brountzas accept Medicare?
Yes. CMS data shows Dr. Brountzas billed Medicare for 2,577 services in 2024, and Dr. Brountzas accepts Medicare assignment.
Does Dr. Maria Brountzas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Brountzas as offering telehealth services.
How many Medicare patients does Dr. Maria Brountzas see?
CMS counts 735 Medicare patients who saw Dr. Brountzas in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Maria Brountzas board certified?
Yes. Dr. Brountzas is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Maria Brountzas bill to Medicare?
In 2024, Dr. Brountzas' most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and heart test or procedure (93000).
Where did Dr. Maria Brountzas go to medical school?
Dr. Brountzas graduated from SUNY Upstate Medical University in 1994.
What drugs does Dr. Maria Brountzas prescribe most?
In 2024 Medicare Part D data, Dr. Brountzas' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Maria Brountzas received payments from drug or device companies?
CMS Open Payments shows $4,923 in general payments to Dr. Brountzas from 37 companies from 2020 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Maria Brountzas been practicing?
Dr. Brountzas graduated from medical school in 1994, 32 years ago.
What insurance does Dr. Maria Brountzas accept?
Dr. Brountzas is in network with 16 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card