Dr. Matias Amaral, MD
- Medicare services, 2024
- 686
- Medicare patients, 2024
- 284
- Part D claims, 2024
- 250
- Hospital affiliations
- 3
- Industry payments
- $295
- Practice address
- 330 Mount Auburn Street, Cambridge, MA 02138
- Practice phone
- Call (617) 492-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Amaral's professional email, personal email and mobile number
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Dr. Matias Amaral is an internist in Cambridge, Massachusetts
Dr. Amaral practices at Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health.
Dr. Amaral's NPI, 1518372325, was assigned on July 1, 2014. Dr. Amaral holds New Hampshire license 18093.
- NPI
- 1518372325NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507087129
- NPI enumeration date
- July 1, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 492-3500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matias Amaral practices at Mount Auburn Hospital in Cambridge, Massachusetts
Dr. Amaral's primary practice is Mount Auburn Hospital, at 330 Mount Auburn Street, Cambridge, MA 02138 in Middlesex County. The practice phone is (617) 492-3500.
- Mount Auburn Hospital330 Mount Auburn Street, Cambridge, MA 02138 · Middlesex CountyPhone(617) 492-3500
Source: Dmand AI Affiliation Data
Dr. Matias Amaral is affiliated with 3 sites of care and 7 medical groups
Dr. Amaral's primary practice is Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health. Dr. Amaral is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Amaral to 1 more hospital and 6 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matias Amaral's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Amaral practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Auburn Hospital | Available with a free account |
| +2 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Matias Amaral is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Amaral's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Amaral's licenses on file in 2 states: New Hampshire and Florida.
Specialties and state licenses
- Internal medicine, New HampshirePrimary
- Florida license
Internists near Dr. Amaral
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. Matias Amaral billed Medicare for 686 services in 2024
CMS data shows 686 Medicare services from Dr. Amaral across 5 procedure codes in 2024, for 284 Medicare patients. Medicare paid $52,052 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Amaral's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7542024: 6869%
Dr. Amaral compared with the Massachusetts median for internists, 2024
- Dr. Amaral
- Massachusetts median
- Medicare services
- 686vs 43159% above
- Medicare patients
- 284vs 19446% above
- Part D claims
- 57vs 40286% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Amaral'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. Matias Amaral treated 284 Medicare patients in 2024, average age 78
CMS counts 284 Medicare patients who saw Dr. Amaral in 2024. The largest group is 85 and over, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 3.03, 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. Amaral's median patient age at 79, with 57% women.
Dr. Amaral's Medicare patients by age, 2024
Dr. Amaral's Medicare patients by sex, 2024
- Women16458%
- Men12042%
Chronic conditions among Dr. Amaral's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease63%
- Heart failure58%
- Chronic kidney disease57%
- Arthritis54%
- COPD52%
- Diabetes52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Amaral's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matias Amaral wrote 250 Medicare Part D claims in 2024
In 2024, Dr. Amaral wrote 250 Medicare Part D claims for 94 patients. 84% of them were for generic drugs. CMS names the drug for 57 of them, across 4 drugs with 11 or more claims each, at $138 in total drug cost. In 2023, CMS named 56 claims across 4 drugs.
Dr. Amaral's Part D claims by kind of drug, 2024
- Generic210 claims84%
- Brand-name and other40 claims16%
Dr. Amaral'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. Amaral's Part D claims, 2024
- Antibiotics11%27 of 250 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: 562024: 572%
Drugs named by CMS: 4 in 2024, 4 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
How Dr. Matias Amaral takes part in Medicare
Dr. Amaral accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Matias Amaral received $295 in industry payments in 2016
CMS Open Payments shows 3 general payments to Dr. Amaral from 3 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $142.
Companies that paid Dr. Amaral the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matias Amaral'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) |
| 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. Matias Amaral
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. Matias Amaral's NPI number?
Dr. Matias Amaral's NPI number is 1518372325. It was assigned on July 1, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Matias Amaral?
Dr. Matias Amaral is an internist in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Matias Amaral practice?
Dr. Amaral practices at 330 Mount Auburn Street, Cambridge, MA 02138. Dr. Amaral's primary practice is Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Amaral to 1 hospital and 6 medical groups.
What is Dr. Matias Amaral's office phone number?
The practice phone on file for Dr. Amaral is (617) 492-3500.
What is Dr. Matias Amaral's medical license number?
Dr. Amaral holds New Hampshire license 18093, one of the licenses on file in 2 states.
Which states has Dr. Matias Amaral been licensed in?
Dmand AI has state licenses on file for Dr. Amaral in New Hampshire and Florida.
Which hospitals is Dr. Matias Amaral affiliated with?
Dr. Amaral practices at Mount Auburn Hospital in Cambridge, Massachusetts. Dr. Amaral is also affiliated with Beth Israel Deaconess Medical Center. Dmand AI links Dr. Amaral to 1 more hospital.
What medical group is Dr. Matias Amaral part of?
Dr. Amaral is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Amaral to 6 more medical groups.
Does Dr. Matias Amaral accept Medicare?
Yes. CMS data shows Dr. Amaral billed Medicare for 686 services in 2024, and Dr. Amaral accepts Medicare assignment.
How many Medicare patients does Dr. Matias Amaral see?
CMS counts 284 Medicare patients who saw Dr. Amaral in 2024, with an average age of 78.
Show 4 more questionsShow fewer questions
What services does Dr. Matias Amaral bill to Medicare?
In 2024, Dr. Amaral's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99233).
What drugs does Dr. Matias Amaral prescribe most?
In 2024 Medicare Part D data, Dr. Amaral's most prescribed drugs by claims were Furosemide, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Matias Amaral received payments from drug or device companies?
CMS Open Payments shows $295 in general payments to Dr. Amaral from 3 companies from 2016 to 2016. The largest total came from Abiomed.
How long has Dr. Matias Amaral been practicing?
Dr. Amaral graduated from medical school in 2012, 14 years ago.
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