Dr. Peter James Demartino, MD
- Medicare services, 2024
- 1,818
- Medicare patients, 2024
- 302
- Part D claims, 2024
- 2,424
- MIPS score, 2024
- 87
- Hospital affiliations
- 3
- Practice address
- 321 Main St, Acton, MA 01720-3718
- Practice phone
- Call (978) 635-8700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Acton Medical Associates
Primary care practice · Acton, Massachusetts
Find Dr. Demartino'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. Peter James Demartino is an internist in Acton, Massachusetts
Dr. Demartino practices at Acton Medical Associates in Acton, Massachusetts.
Dr. Demartino's NPI, 1043292360, was assigned on November 14, 2005. Dr. Demartino graduated from Georgetown University School of Medicine in 1990. Dr. Demartino holds Massachusetts license 151966.
- NPI
- 1043292360NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264557529
- NPI enumeration date
- November 14, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 635-8700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter James Demartino practices at Acton Medical Associates in Acton, Massachusetts
Dr. Demartino's primary practice is Acton Medical Associates, at 321 Main St, Acton, MA 01720-3718. The practice phone is (978) 635-8700.
- Acton Medical Associates321 Main St, Acton, MA 01720-3718Phone(978) 635-8700
Source: Dmand AI Affiliation Data
Dr. Peter James Demartino is affiliated with 7 sites of care and 1 medical group
Dr. Demartino's primary practice is Acton Medical Associates in Acton, Massachusetts. Dr. Demartino is also affiliated with Lahey Clinic. The medical group on file is Acton Medical Associates. Dmand AI also links Dr. Demartino to 2 more hospitals and 3 home health agencies, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Peter James Demartino's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Demartino practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Acton Medical Associates | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter James Demartino is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Demartino's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Demartino is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Demartino
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. Peter James Demartino billed Medicare for 1,818 services in 2024
CMS data shows 1,818 Medicare services from Dr. Demartino across 20 procedure codes in 2024, for 302 Medicare patients. Medicare paid $53,645 for them. Every service was in an office.
Dr. Demartino's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 8182024: 8514%
- Office and hospital visits
- 2023: 4722024: 5026%
- Surgery
- 2023: 2402024: 28017%
- Other services
- 2023: 1242024: 18549%
- Tests and treatments
- 2023: 802024: 0100%
Dr. Demartino compared with the Massachusetts median for internists, 2024
- Dr. Demartino
- Massachusetts median
- Medicare services
- 1,818vs 4314.2 times
- Medicare patients
- 302vs 19456% above
- Part D claims
- 1,973vs 4024.9 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Demartino'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. Demartino and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter James Demartino treated 302 Medicare patients in 2024, average age 74
CMS counts 302 Medicare patients who saw Dr. Demartino in 2024. The largest group is 65 to 74, with 152 patients. 62% of them have high blood pressure, and 62% have high cholesterol. 6% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Demartino's median patient age at 63, with 22% women.
Dr. Demartino's Medicare patients by age, 2024
Dr. Demartino's Medicare patients by sex, 2024
- Women6823%
- Men23477%
Chronic conditions among Dr. Demartino's Medicare patients, 2024
- High blood pressure62%
- High cholesterol62%
- Arthritis28%
- Ischemic heart disease25%
- Diabetes16%
- Atrial fibrillation15%
- Chronic kidney disease13%
- Anxiety12%
Share of Medicare patients with each condition. A patient can have several.
Dr. Demartino's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women22%
- Men77%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter James Demartino wrote 2,424 Medicare Part D claims in 2024
In 2024, Dr. Demartino wrote 2,424 Medicare Part D claims for 450 patients. 95% of them were for generic drugs. CMS names the drug for 1,973 of them, across 41 drugs with 11 or more claims each, at $48,184 in total drug cost. In 2023, CMS named 2,395 claims across 45 drugs.
Dr. Demartino's Part D claims by kind of drug, 2024
- Generic2,313 claims95%
- Brand-name and other111 claims5%
Dr. Demartino'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. Demartino's Part D claims, 2024
- Opioids1%33 of 2,424 claims
- Antibiotics3%84 of 2,424 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: 2,3952024: 1,97318%
Drugs named by CMS: 41 in 2024, 45 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. Peter James Demartino scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Demartino for performance year 2024, reported as part of a group. Dr. Demartino accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Demartino's MIPS scores, performance year 2024
- 87of 100Final score
- 86of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Peter James Demartino graduated from Georgetown University School of Medicine
Dr. Demartino graduated from Georgetown University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter James Demartino'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) |
| 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)Doctors and Clinicians Utilization Data (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. Peter James Demartino
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. Peter James Demartino's NPI number?
Dr. Peter James Demartino's NPI number is 1043292360. It was assigned on November 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter James Demartino?
Dr. Peter James Demartino is an internist in Acton, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Peter James Demartino practice?
Dr. Demartino practices at 321 Main St, Acton, MA 01720-3718. Dr. Demartino's primary practice is Acton Medical Associates in Acton, Massachusetts. Dmand AI also links Dr. Demartino to 2 hospitals and 3 home health agencies.
What is Dr. Peter James Demartino's office phone number?
The practice phone on file for Dr. Demartino is (978) 635-8700.
What is Dr. Peter James Demartino's medical license number?
Dr. Demartino holds Massachusetts license 151966.
Which hospitals is Dr. Peter James Demartino affiliated with?
Dr. Demartino is affiliated with Lahey Clinic. Dmand AI links Dr. Demartino to 2 more hospitals.
What medical group is Dr. Peter James Demartino part of?
Dr. Demartino is linked to Acton Medical Associates.
Does Dr. Peter James Demartino accept Medicare?
Yes. CMS data shows Dr. Demartino billed Medicare for 1,818 services in 2024, and Dr. Demartino accepts Medicare assignment.
What is Dr. Peter James Demartino's MIPS score?
Dr. Demartino's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Peter James Demartino see?
CMS counts 302 Medicare patients who saw Dr. Demartino in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Peter James Demartino bill to Medicare?
In 2024, Dr. Demartino's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and office visit, established patient (99213).
Where did Dr. Peter James Demartino go to medical school?
Dr. Demartino graduated from Georgetown University School of Medicine in 1990.
What drugs does Dr. Peter James Demartino prescribe most?
In 2024 Medicare Part D data, Dr. Demartino's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Rosuvastatin Calcium.
How long has Dr. Peter James Demartino been practicing?
Dr. Demartino graduated from medical school in 1990, 36 years ago.
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