Cardiomyopathy, HypertrophicHeart FailureNatriuretic Peptide, Brain
Dr. Michael A. Fifer, MD
NPI1730170630
- Medicare services, 2024
- 560
- Medicare patients, 2024
- 302
- Part D claims, 2024
- 1,039
- Publications
- 45
- Industry payments
- $10,330
- Practice address
- 452 Old St Rd, Peterborough, NH 03458
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Massachusetts General Hospital
Peterborough, New Hampshire
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Dr. Michael A. Fifer is a cardiologist in Peterborough, New Hampshire
Dr. Fifer practices at Massachusetts General Hospital in Peterborough, New Hampshire.
Dr. Fifer's NPI, 1730170630, was assigned on October 31, 2005. Dr. Fifer graduated from Harvard Medical School in 1978. Dr. Fifer holds Massachusetts license 45926.
NPI and contact details
- NPI
- 1730170630NPI Registry (opens in a new tab)
- NPI enumeration date
- October 31, 2005
- NPI status
- Active
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michael A. Fifer practices at Massachusetts General Hospital in Peterborough, New Hampshire
Dr. Fifer's primary practice is Massachusetts General Hospital, at 452 Old St Rd, Peterborough, NH 03458 in Hillsborough County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital452 Old St Rd, Peterborough, NH 03458 · Hillsborough CountyPhone(617) 726-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael A. Fifer is affiliated with 1 site of care and 2 medical groups
Dr. Fifer's primary practice is Massachusetts General Hospital in Peterborough, New Hampshire. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Fifer to 1 more medical group, named with a free account.
Massachusetts General HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael A. Fifer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fifer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael A. Fifer is one of 127 cardiologists in New Hampshire
Cardiovascular disease is Dr. Fifer's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Fifer is licensed in Massachusetts.
Specialties and state licenses
- Cardiovascular disease, MassachusettsPrimary
Cardiologists near Dr. Fifer
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
127cardiologists in New Hampshire
2cardiologists in Peterborough
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael A. Fifer billed Medicare for 560 services in 2024
CMS data shows 560 Medicare services from Dr. Fifer across 8 procedure codes in 2024, for 302 Medicare patients. Medicare paid $42,256 for them.
Medicare services, 2024560
Medicare patients302
Paid by Medicare$42,256
Procedure codes8
Dr. Fifer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4302024: 34719%
- Tests and treatments
- 2023: 3502024: 21339%
Where Dr. Fifer's Medicare services took place, 2024
- In an office52694%
- In a facility346%
Dr. Fifer compared with the New Hampshire median for cardiologists, 2024
- Dr. Fifer
- New Hampshire median
- Medicare services
- 560vs 1,76568% below
- Medicare patients
- 302vs 1,20375% below
- Part D claims
- 902vs 1,25028% below
Medians across 127 cardiologists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Fifer'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. Michael A. Fifer treated 302 Medicare patients in 2024, average age 77
CMS counts 302 Medicare patients who saw Dr. Fifer in 2024. The largest group is 75 to 84, with 132 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.79, 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. Fifer's median patient age at 76, with 40% women.
Medicare patients, 2024302
Average age77
Average risk score1.79
Also on Medicaid11%
Dr. Fifer's Medicare patients by age, 2024
Dr. Fifer's Medicare patients by sex, 2024
- Women12742%
- Men17558%
Chronic conditions among Dr. Fifer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease73%
- Atrial fibrillation47%
- Arthritis45%
- Heart failure44%
- Diabetes37%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fifer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women40%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael A. Fifer wrote 1,039 Medicare Part D claims in 2024
In 2024, Dr. Fifer wrote 1,039 Medicare Part D claims for 200 patients. 74% of them were for generic drugs. CMS names the drug for 902 of them, across 20 drugs with 11 or more claims each, at $1,127,758 in total drug cost. In 2023, CMS named 900 claims across 26 drugs.
Part D claims, 20241,039
Drugs named by CMS20
Total drug cost$1.1M
Part D patients200
Dr. Fifer's Part D claims by kind of drug, 2024
- Generic768 claims74%
- Brand-name271 claims26%
Dr. Fifer'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: 9002024: 902No change
Drugs named by CMS: 20 in 2024, 26 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
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Dr. Michael A. Fifer has 45 publications on record
Dmand AI links 45 papers to Dr. Fifer, published from 2012 to 2025. 2024 was the busiest year, with 9. The most frequent topics are Cardiomyopathy, Hypertrophic, Heart Failure and Predictive Value of Tests. Dr. Fifer has published most often in Circ Heart Fail. Dr. Fifer's most frequent co-authors are Yuichi Shimada, MD, Mathew Shane Maurer, MD and Muredach P. Reilly, MD.
Papers45
Years published2012 to 2025
Dr. Fifer's papers by year, 2015 to 2025
Topics Dr. Fifer writes about most
- Cardiomyopathy, Hypertrophic
- Heart Failure
- Predictive Value of Tests
- Proteomics
- Machine Learning
- Exercise Test
- Signal Transduction
- Atrial Fibrillation
Dr. Fifer's most frequent co-authors
- Yuichi Shimada, MD23 shared papers
- Mathew Shane Maurer, MD20 shared papers
- Muredach P. Reilly, MD18 shared papers
Recent publications by Dr. Fifer
Eur J Heart Fail
Atrial FibrillationCardiomyopathy, HypertrophicMachine Learning
Cardiomyopathy, HypertrophicContrast MediaGadolinium
Amyloid Neuropathies, FamilialAortic Valve StenosisCardiomyopathies
See who Dr. Fifer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fifer works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael A. Fifer received $10,330 in industry payments from 2018 to 2025
CMS Open Payments shows 10 general payments to Dr. Fifer from 2 drug and device companies from 2018 to 2025. Consulting fees make up the largest share, 90% of the total. Bristol-Myers Squibb Company paid the most, $10,288.
General payments to Dr. Fifer by program year, 2018 to 2025
General payments to Dr. Fifer by kind, 2018 to 2025
$10.3Kin total
- Consulting fees$9,26390%
- Travel and lodging$8038%
- Food and beverage$2653%
Companies that paid Dr. Fifer the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael A. Fifer graduated from Harvard Medical School
Dr. Fifer graduated from Harvard Medical School in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael A. Fifer'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Michael A. Fifer
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 A. Fifer's NPI number?
Dr. Michael A. Fifer's NPI number is 1730170630. It was assigned on October 31, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael A. Fifer?
Dr. Michael A. Fifer is a cardiologist in Peterborough, New Hampshire. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Michael A. Fifer practice?
Dr. Fifer practices at 452 Old St Rd, Peterborough, NH 03458. Dr. Fifer's primary practice is Massachusetts General Hospital in Peterborough, New Hampshire. Dmand AI also links Dr. Fifer to 1 medical group.
What is Dr. Michael A. Fifer's office phone number?
The practice phone on file for Dr. Fifer is (617) 726-2000.
What is Dr. Michael A. Fifer's medical license number?
Dr. Fifer holds Massachusetts license 45926.
What medical group is Dr. Michael A. Fifer part of?
Dr. Fifer is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Fifer to 1 more medical group.
Does Dr. Michael A. Fifer accept Medicare?
Yes. CMS data shows Dr. Fifer billed Medicare for 560 services in 2024.
How many Medicare patients does Dr. Michael A. Fifer see?
CMS counts 302 Medicare patients who saw Dr. Fifer in 2024, with an average age of 77.
What services does Dr. Michael A. Fifer bill to Medicare?
In 2024, Dr. Fifer's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and office visit, established patient (99215).
Where did Dr. Michael A. Fifer go to medical school?
Dr. Fifer graduated from Harvard Medical School in 1978.
Show 5 more questionsShow fewer questions
What drugs does Dr. Michael A. Fifer prescribe most?
In 2024 Medicare Part D data, Dr. Fifer's most prescribed drugs by claims were Metoprolol Succinate, Eliquis and Atorvastatin Calcium.
Has Dr. Michael A. Fifer received payments from drug or device companies?
CMS Open Payments shows $10,330 in general payments to Dr. Fifer from 2 companies from 2018 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Michael A. Fifer been practicing?
Dr. Fifer graduated from medical school in 1978, 48 years ago.
Does Dr. Michael A. Fifer do research?
Dmand AI links 45 publications to Dr. Fifer, published from 2012 to 2025.
Who does Dr. Michael A. Fifer publish with?
Dr. Fifer's most frequent co-authors are Yuichi Shimada, MD (23 shared papers), Mathew Shane Maurer, MD (20 shared papers) and Muredach P. Reilly, MD (18 shared papers).
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