Dr. Michael E. Marrero, MD
- Medicare services, 2024
- 7,035
- Medicare patients, 2024
- 5,890
- MIPS score, 2024
- 92
- Hospital affiliations
- 6
- Industry payments
- $264
- Practice address
- 7 Alumni Dr, Exeter, NH 03833
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Core Physicians - HOPD
Acute Care Hospital outpatient department · Exeter, New Hampshire
Find Dr. Marrero's professional email, personal email and mobile number
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Dr. Michael E. Marrero is a diagnostic radiologist in Exeter, New Hampshire
Dr. Marrero practices at Core Physicians - HOPD in Exeter, New Hampshire.
Dr. Marrero's NPI, 1346288669, was assigned on June 2, 2006. Dr. Marrero graduated from University of Illinois College of Medicine - Chicago in 1987. Dr. Marrero holds Florida license ME131980.
- NPI
- 1346288669NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789653569
- NPI enumeration date
- June 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael E. Marrero practices at Core Physicians - HOPD in Exeter, New Hampshire
Dr. Marrero's primary practice is Core Physicians - HOPD, at 7 Alumni Dr, Exeter, NH 03833.
- Core Physicians - HOPD7 Alumni Dr, Exeter, NH 03833
Source: Dmand AI Affiliation Data
Dr. Michael E. Marrero is affiliated with 11 sites of care and 4 medical groups
Dr. Marrero's primary practice is Core Physicians - HOPD in Exeter, New Hampshire. Dr. Marrero is also affiliated with Exeter Hospital. The medical group on file is Core Physicians. Dmand AI also links Dr. Marrero to 5 more hospitals, 3 group practices and clinics, 3 medical groups and 1 hospital outpatient department, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael E. Marrero's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marrero practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Core Physicians - HOPD | Available with a free account |
| +10 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael E. Marrero is one of 168 diagnostic radiologists in New Hampshire
Diagnostic radiology is Dr. Marrero's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Marrero is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Marrero's licenses on file in 5 states: Florida, New Hampshire, Massachusetts, Illinois and Wisconsin.
Specialties and state licenses
- Diagnostic radiology, FloridaPrimary
- New Hampshire license
- Massachusetts license
- Illinois license
- Wisconsin license
Diagnostic radiologists near Dr. Marrero
Counts of diagnostic radiologists 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. Michael E. Marrero billed Medicare for 7,035 services in 2024
CMS data shows 7,035 Medicare services from Dr. Marrero across 72 procedure codes in 2024, for 5,890 Medicare patients. Medicare paid $110,959 for them.
Dr. Marrero's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,3972024: 6,832101%
- Other services
- 2023: 762024: 168121%
- Tests and treatments
- 2023: 1922024: 2090%
- Surgery
- 2023: 622024: 1576%
Where Dr. Marrero's Medicare services took place, 2024
- In an office3,85355%
- In a facility3,18245%
Dr. Marrero compared with the New Hampshire median for diagnostic radiologists, 2024
- Dr. Marrero
- New Hampshire median
- Medicare services
- 7,035vs 2,7992.5 times
- Medicare patients
- 5,890vs 2,0302.9 times
Medians across 172 diagnostic radiologists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Marrero'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. Marrero and other diagnostic radiologists in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael E. Marrero treated 5,890 Medicare patients in 2024, average age 77
CMS counts 5,890 Medicare patients who saw Dr. Marrero in 2024. The largest group is 75 to 84, with 2,605 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marrero's median patient age at 73, with 60% women.
Dr. Marrero's Medicare patients by age, 2024
Dr. Marrero's Medicare patients by sex, 2024
- Women3,49859%
- Men2,39241%
Chronic conditions among Dr. Marrero's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Ischemic heart disease43%
- Anxiety31%
- Atrial fibrillation30%
- Mood disorders30%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marrero's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael E. Marrero scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Marrero for performance year 2024, reported as part of a group. Dr. Marrero accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Marrero's MIPS scores, performance year 2024
- 92of 100Final score
- 93.8of 100Quality
- 40of 100Improvement Activities
- 80of 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. Michael E. Marrero received $264 in industry payments from 2016 to 2017
CMS Open Payments shows 4 general payments to Dr. Marrero from 4 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Toshiba America Medical Systems, Inc. paid the most, $98.
General payments to Dr. Marrero by program year, 2016 to 2017
Companies that paid Dr. Marrero the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael E. Marrero graduated from University of Illinois College of Medicine - Chicago
Dr. Marrero graduated from University of Illinois College of Medicine - Chicago in 1987.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Michael E. Marrero accepts plans from 6 insurance carriers
Dr. Marrero is in network with 6 carriers, including Excellus BlueCross BlueShield, United Healthcare and Alliant Health Plans. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- United Healthcare
- Alliant Health Plans
- Cigna
- CMS Medicare
- RI State Medicaid
Plan types Dr. Marrero accepts, by number of carriers
- HMO3
- Medicare3
- PPO3
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael E. Marrero'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 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) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Michael E. Marrero
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. Michael E. Marrero's NPI number?
Dr. Michael E. Marrero's NPI number is 1346288669. It was assigned on June 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael E. Marrero?
Dr. Michael E. Marrero is a diagnostic radiologist in Exeter, New Hampshire. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Michael E. Marrero practice?
Dr. Marrero practices at 7 Alumni Dr, Exeter, NH 03833. Dr. Marrero's primary practice is Core Physicians - HOPD in Exeter, New Hampshire. Dmand AI also links Dr. Marrero to 5 hospitals, 3 group practices and clinics, 3 medical groups and 1 hospital outpatient department.
What is Dr. Michael E. Marrero's medical license number?
Dr. Marrero holds Florida license ME131980, one of the licenses on file in 5 states.
Which states has Dr. Michael E. Marrero been licensed in?
Dmand AI has state licenses on file for Dr. Marrero in Florida (2017 to 2027), New Hampshire (1994 to 2026), Massachusetts (1991 to 2025), Illinois (1987 to 1993) and Wisconsin (1990 to 1991).
Which hospitals is Dr. Michael E. Marrero affiliated with?
Dr. Marrero is affiliated with Exeter Hospital. Dmand AI links Dr. Marrero to 5 more hospitals.
What medical group is Dr. Michael E. Marrero part of?
Dr. Marrero is linked to Core Physicians. Dmand AI links Dr. Marrero to 3 more medical groups.
Does Dr. Michael E. Marrero accept Medicare?
Yes. CMS data shows Dr. Marrero billed Medicare for 7,035 services in 2024, and Dr. Marrero accepts Medicare assignment.
What is Dr. Michael E. Marrero's MIPS score?
Dr. Marrero's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Michael E. Marrero see?
CMS counts 5,890 Medicare patients who saw Dr. Marrero in 2024, with an average age of 77.
Show 6 more questionsShow fewer questions
Is Dr. Michael E. Marrero board certified?
Yes. Dr. Marrero is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Michael E. Marrero bill to Medicare?
In 2024, Dr. Marrero's most billed Medicare services were diagnostic imaging (71046), diagnostic imaging (71045) and diagnostic imaging (71250).
Where did Dr. Michael E. Marrero go to medical school?
Dr. Marrero graduated from University of Illinois College of Medicine - Chicago in 1987.
Has Dr. Michael E. Marrero received payments from drug or device companies?
CMS Open Payments shows $264 in general payments to Dr. Marrero from 4 companies from 2016 to 2017. The largest total came from Toshiba America Medical Systems, Inc.
How long has Dr. Michael E. Marrero been practicing?
Dr. Marrero graduated from medical school in 1987, 39 years ago.
What insurance does Dr. Michael E. Marrero accept?
Dr. Marrero is in network with 6 carriers, including Excellus BlueCross BlueShield, United Healthcare and Alliant Health Plans. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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