$1,195 in research paymentsObesityOvernutritionTirzepatide
Dr. Thomas J. Nero, MD
NPI1235102773PAC ID5294744967
- Medicare services, 2024
- 3,449
- Medicare patients, 2024
- 784
- Part D claims, 2024
- 1,702
- Clinical trials
- 1
- MIPS score, 2024
- 90
- Practice address
- 22 Bramhall St, Portland, ME 04102
- Practice phone
- Call (207) 662-0111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nero'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. Thomas J. Nero is an interventional cardiologist in Portland, Maine
Dr. Nero practices at MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.
Dr. Nero's NPI, 1235102773, was assigned on February 7, 2006. Dr. Nero holds Maine license MD18424.
NPI and contact details
- NPI
- 1235102773NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294744967
- NPI enumeration date
- February 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 662-0111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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. Thomas J. Nero practices at MaineHealth Maine Medical Center in Portland, Maine
Dr. Nero's primary practice is MaineHealth Maine Medical Center, at 22 Bramhall St, Portland, ME 04102 in Cumberland County. The practice phone is (207) 662-0111.
- MaineHealth Maine Medical Center22 Bramhall St, Portland, ME 04102 · Cumberland CountyPhone(207) 662-0111
Source: Dmand AI Affiliation Data
Dr. Thomas J. Nero is affiliated with 3 sites of care and 1 medical group
Dr. Nero's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dr. Nero is also affiliated with St. Vincent's Medical Center. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Nero to 1 more hospital, named with a free account.
St. Vincent's Medical CenterMaineHealth Primary Care - Family Medicine - Portland1 hospitalName with a free account
See all 4 affiliations for Dr. NeroSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas J. Nero's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nero practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Maine Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas J. Nero is one of 21 interventional cardiologists in Maine
Interventional cardiology is Dr. Nero's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dmand AI has Dr. Nero's licenses on file in 2 states: Maine and New York.
Specialties and state licenses
- Interventional cardiology, MainePrimary
- Cardiovascular disease, New York
Interventional cardiologists near Dr. Nero
Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
21interventional cardiologists in Maine
6interventional cardiologists in Portland
6interventional cardiologists at MaineHealth Maine Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas J. Nero billed Medicare for 3,449 services in 2024
CMS data shows 3,449 Medicare services from Dr. Nero across 14 procedure codes in 2024, for 784 Medicare patients. Medicare paid $183,269 for them.
Medicare services, 20243,449
Medicare patients784
Paid by Medicare$183,269
Procedure codes14
Dr. Nero's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,4442024: 1,5145%
- Office and hospital visits
- 2023: 1,3352024: 1,3995%
- Other services
- 2023: 02024: 462
- Imaging
- 2023: 862024: 7414%
Where Dr. Nero's Medicare services took place, 2024
- In an office2,98186%
- In a facility46814%
Dr. Nero compared with the Maine median for interventional cardiologists, 2024
- Dr. Nero
- Maine median
- Medicare services
- 3,449vs 1,0683.2 times
- Medicare patients
- 784vs 783Close to median
- Part D claims
- 1,456vs 4893.0 times
Medians across 19 interventional cardiologists in Maine with Dmand AI profiles that report each measure.
Dr. Nero'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. Thomas J. Nero treated 784 Medicare patients in 2024, average age 79
CMS counts 784 Medicare patients who saw Dr. Nero in 2024. The largest group is 75 to 84, with 320 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.60, 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. Nero's median patient age at 72, with 54% women.
Medicare patients, 2024784
Average age79
Average risk score1.60
Also on Medicaid17%
Dr. Nero's Medicare patients by age, 2024
Dr. Nero's Medicare patients by sex, 2024
- Women36146%
- Men42354%
Chronic conditions among Dr. Nero's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease55%
- Arthritis51%
- Atrial fibrillation37%
- Heart failure34%
- Diabetes31%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nero's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas J. Nero wrote 1,702 Medicare Part D claims in 2024
In 2024, Dr. Nero wrote 1,702 Medicare Part D claims for 401 patients. 82% of them were for generic drugs. CMS names the drug for 1,456 of them, across 21 drugs with 11 or more claims each, at $362,160 in total drug cost. In 2023, CMS named 1,015 claims across 18 drugs.
Part D claims, 20241,702
Drugs named by CMS21
Total drug cost$362,160
Part D patients401
Dr. Nero's Part D claims by kind of drug, 2024
- Generic1,403 claims82%
- Brand-name299 claims18%
Dr. Nero'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: 1,0152024: 1,45643%
Drugs named by CMS: 21 in 2024, 18 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. Thomas J. Nero scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Nero for performance year 2024, reported as part of a group. Dr. Nero accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nero's MIPS scores, performance year 2024
- 90of 100Final score
- 83.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Thomas J. Nero has worked on 1 clinical trial
Dmand AI links Dr. Nero to 1 clinical trial. Conditions studied include Obesity and Overnutrition. Open Payments lists research payments to Dr. Nero that name 4 trials.
Conditions in Dr. Nero's trials
- Obesity
- Overnutrition
Investigators on the most trials with Dr. Nero
- Alexander A. Adler, MD1 shared trial
- Mohsin T. Alhaddad, MD1 shared trial
- Rami Alharethi, MD1 shared trial
Recent clinical trials with Dr. Nero
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas J. Nero received $4,006 in industry payments from 2016 to 2025
CMS Open Payments shows 70 general payments to Dr. Nero from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 50% of the total. Boston Scientific Corporation paid the most, $1,408. It also lists 4 research payments totaling $15,880 from 2021 to 2024, naming 4 clinical trials.
General payments to Dr. Nero by program year, 2016 to 2025
General payments to Dr. Nero by kind, 2016 to 2025
$4Kin total
- Food and beverage$2,00350%
- Travel and lodging$2,00350%
Companies that paid Dr. Nero the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Thomas J. Nero'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Thomas J. Nero
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. Thomas J. Nero's NPI number?
Dr. Thomas J. Nero's NPI number is 1235102773. It was assigned on February 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas J. Nero?
Dr. Thomas J. Nero is an interventional cardiologist in Portland, Maine. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Thomas J. Nero practice?
Dr. Nero practices at 22 Bramhall St, Portland, ME 04102. Dr. Nero's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dmand AI also links Dr. Nero to 1 hospital.
What is Dr. Thomas J. Nero's office phone number?
The practice phone on file for Dr. Nero is (207) 662-0111.
What is Dr. Thomas J. Nero's medical license number?
Dr. Nero holds Maine license MD18424, one of the licenses on file in 2 states.
Which states has Dr. Thomas J. Nero been licensed in?
Dmand AI has state licenses on file for Dr. Nero in Maine and New York.
Which hospitals is Dr. Thomas J. Nero affiliated with?
Dr. Nero practices at MaineHealth Maine Medical Center in Portland, Maine. Dr. Nero is also affiliated with St. Vincent's Medical Center. Dmand AI links Dr. Nero to 1 more hospital.
What medical group is Dr. Thomas J. Nero part of?
Dr. Nero is linked to MaineHealth Primary Care - Family Medicine - Portland.
Does Dr. Thomas J. Nero accept Medicare?
Yes. CMS data shows Dr. Nero billed Medicare for 3,449 services in 2024, and Dr. Nero accepts Medicare assignment.
What is Dr. Thomas J. Nero's MIPS score?
Dr. Nero's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Thomas J. Nero see?
CMS counts 784 Medicare patients who saw Dr. Nero in 2024, with an average age of 79.
What services does Dr. Thomas J. Nero bill to Medicare?
In 2024, Dr. Nero's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99214) and medicare service (G2211).
What drugs does Dr. Thomas J. Nero prescribe most?
In 2024 Medicare Part D data, Dr. Nero's most prescribed drugs by claims were Rosuvastatin Calcium, Ezetimibe and Atorvastatin Calcium.
Has Dr. Thomas J. Nero received payments from drug or device companies?
CMS Open Payments shows $4,006 in general payments to Dr. Nero from 18 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Thomas J. Nero been practicing?
Dr. Nero graduated from medical school in 1994, 32 years ago.
Does Dr. Thomas J. Nero do research?
Dr. Nero has worked on 1 clinical trial.
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