Dr. Matthew Anthony Clark, DO
- Medicare services, 2024
- 314
- Medicare patients, 2024
- 107
- Part D claims, 2024
- 81
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- 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. Clark's professional email, personal email and mobile number
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Dr. Matthew Anthony Clark is an internist in Portland, Maine
Dr. Clark practices at MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.
Dr. Clark's NPI, 1639674591, was assigned on March 24, 2018. Dr. Clark graduated from University of New England, College of Osteo Medicine in 2018. Dr. Clark holds Maine license DO3200.
- NPI
- 1639674591NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567865504
- NPI enumeration date
- March 24, 2018
- 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
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Anthony Clark practices at MaineHealth Maine Medical Center in Portland, Maine
Dr. Clark'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. Matthew Anthony Clark is affiliated with 1 site of care and 2 medical groups
Dr. Clark's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Clark to 1 more medical group, named with a free account. Dr. Clark's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Anthony Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Maine Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Anthony Clark is one of 572 internists in Maine
Internal medicine is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Clark is licensed in Maine.
Specialties and state licenses
- Internal medicine, MainePrimary
Internists near Dr. Clark
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. Matthew Anthony Clark billed Medicare for 314 services in 2024
CMS data shows 314 Medicare services from Dr. Clark across 5 procedure codes in 2024, for 107 Medicare patients. Medicare paid $21,474 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Clark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4062024: 31423%
Dr. Clark compared with the Maine median for internists, 2024
- Dr. Clark
- Maine median
- Medicare services
- 314vs 314Close to median
- Medicare patients
- 107vs 15431% below
- Part D claims
- 33vs 21184% below
Medians across 600 internists in Maine with Dmand AI profiles that report each measure.
Dr. Clark'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. Matthew Anthony Clark treated 107 Medicare patients in 2024, average age 76
CMS counts 107 Medicare patients who saw Dr. Clark in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 42% are also on Medicaid. Their average risk score is 2.97, 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. Clark's median patient age at 73, with 40% women.
Dr. Clark's Medicare patients by age, 2024
Dr. Clark's Medicare patients by sex, 2024
- Women6460%
- Men4340%
Chronic conditions among Dr. Clark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Chronic kidney disease54%
- Heart failure54%
- Mood disorders53%
- Arthritis50%
- Depression48%
- Anxiety47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clark'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
- Women40%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Anthony Clark wrote 81 Medicare Part D claims in 2024
In 2024, Dr. Clark wrote 81 Medicare Part D claims for 29 patients. 79% of them were for generic drugs. CMS names the drug for 33 of them, across 2 drugs with 11 or more claims each, at $339 in total drug cost. In 2020, CMS named 118 claims across 7 drugs.
Dr. Clark's Part D claims by kind of drug, 2024
- Generic64 claims79%
- Brand-name17 claims21%
Dr. Clark's most prescribed drugs by claims, 2021
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. Clark's Part D claims, 2024
- Antibiotics16%13 of 81 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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1182021: 3372%
Drugs named by CMS: 2 in 2021, 7 in 2020.
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. Matthew Anthony Clark scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Clark for performance year 2024, reported through an alternative payment model (APM). Dr. Clark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Clark's MIPS scores, performance year 2024
- 98of 100Final score
- 83.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Matthew Anthony Clark received $50 in industry payments from 2023 to 2025
CMS Open Payments shows 2 general payments to Dr. Clark from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Djo, LLC paid the most, $32.
General payments to Dr. Clark by program year, 2023 to 2025
Companies that paid Dr. Clark the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew Anthony Clark graduated from University of New England, College of Osteo Medicine
Dr. Clark graduated from University of New England, College of Osteo Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Anthony Clark'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) |
| 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. Matthew Anthony Clark
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. Matthew Anthony Clark's NPI number?
Dr. Matthew Anthony Clark's NPI number is 1639674591. It was assigned on March 24, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Anthony Clark?
Dr. Matthew Anthony Clark is an internist in Portland, Maine. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Matthew Anthony Clark practice?
Dr. Clark practices at 22 Bramhall St, Portland, ME 04102. Dr. Clark's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dmand AI also links Dr. Clark to 1 medical group.
What is Dr. Matthew Anthony Clark's office phone number?
The practice phone on file for Dr. Clark is (207) 662-0111.
What is Dr. Matthew Anthony Clark's medical license number?
Dr. Clark holds Maine license DO3200.
Which hospitals is Dr. Matthew Anthony Clark affiliated with?
Dr. Clark practices at MaineHealth Maine Medical Center in Portland, Maine.
What medical group is Dr. Matthew Anthony Clark part of?
Dr. Clark is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Clark to 1 more medical group.
Does Dr. Matthew Anthony Clark accept Medicare?
Yes. CMS data shows Dr. Clark billed Medicare for 314 services in 2024, and Dr. Clark accepts Medicare assignment.
What is Dr. Matthew Anthony Clark's MIPS score?
Dr. Clark's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Matthew Anthony Clark see?
CMS counts 107 Medicare patients who saw Dr. Clark in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Matthew Anthony Clark bill to Medicare?
In 2024, Dr. Clark's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99231).
Where did Dr. Matthew Anthony Clark go to medical school?
Dr. Clark graduated from University of New England, College of Osteo Medicine in 2018.
What drugs does Dr. Matthew Anthony Clark prescribe most?
In 2021 Medicare Part D data, Dr. Clark's most prescribed drugs by claims were Lisinopril and Atorvastatin Calcium.
Has Dr. Matthew Anthony Clark received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Dr. Clark from 2 companies from 2023 to 2025. The largest total came from Djo, LLC.
How long has Dr. Matthew Anthony Clark been practicing?
Dr. Clark graduated from medical school in 2018, 8 years ago.
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