Dr. Jonathan E. Ariyaratnam, MD
- Medicare services, 2024
- 1,205
- Medicare patients, 2024
- 331
- Part D claims, 2024
- 581
- Publications
- 8
- MIPS score, 2024
- 86
- Practice address
- 360 Broadway, Bangor, ME 04401
- Practice phone
- Call (207) 262-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ariyaratnam's professional email, personal email and mobile number
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Dr. Jonathan E. Ariyaratnam is an internist in Bangor, Maine
Dr. Ariyaratnam practices at St. Joseph Healthcare in Bangor, Maine, part of Covenant Health.
Dr. Ariyaratnam's NPI, 1134758873, was assigned on April 4, 2020. Dr. Ariyaratnam holds New York license 325022.
- NPI
- 1134758873NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820450539
- NPI enumeration date
- April 4, 2020
- NPI status
- Active
- Practice phone
- (207) 262-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jonathan E. Ariyaratnam practices at St. Joseph Healthcare in Bangor, Maine
Dr. Ariyaratnam's primary practice is St. Joseph Healthcare, at 360 Broadway, Bangor, ME 04401 in Penobscot County. The practice phone is (207) 262-1000.
- St. Joseph Healthcare360 Broadway, Bangor, ME 04401 · Penobscot CountyPhone(207) 262-1000
Source: Dmand AI Affiliation Data
Dr. Jonathan E. Ariyaratnam is affiliated with 10 sites of care and 6 medical groups
Dr. Ariyaratnam's primary practice is St. Joseph Healthcare in Bangor, Maine, part of Covenant Health. Dr. Ariyaratnam is also affiliated with St. Joseph Hospital. The medical group on file is NES Health. Dmand AI also links Dr. Ariyaratnam to 3 more hospitals, 5 medical groups, 4 group practices and clinics and 1 physician office, 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. Jonathan E. Ariyaratnam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ariyaratnam practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Joseph Healthcare | Available with a free account |
| +9 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan E. Ariyaratnam is one of 572 internists in Maine
Internal medicine is Dr. Ariyaratnam's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ariyaratnam is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Ariyaratnam
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. Jonathan E. Ariyaratnam billed Medicare for 1,205 services in 2024
CMS data shows 1,205 Medicare services from Dr. Ariyaratnam across 6 procedure codes in 2024, for 331 Medicare patients. Medicare paid $93,566 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ariyaratnam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3522024: 1,205242%
Dr. Ariyaratnam compared with the Maine median for internists, 2024
- Dr. Ariyaratnam
- Maine median
- Medicare services
- 1,205vs 3143.8 times
- Medicare patients
- 331vs 1542.1 times
- Part D claims
- 224vs 2116% above
Medians across 600 internists in Maine with Dmand AI profiles that report each measure.
Dr. Ariyaratnam'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.
Need commercial claims for Dr. Ariyaratnam?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ariyaratnam and other internists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan E. Ariyaratnam treated 331 Medicare patients in 2024, average age 77
CMS counts 331 Medicare patients who saw Dr. Ariyaratnam in 2024. The largest group is 75 to 84, with 112 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.41, 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. Ariyaratnam's median patient age at 71, with 53% women.
Dr. Ariyaratnam's Medicare patients by age, 2024
Dr. Ariyaratnam's Medicare patients by sex, 2024
- Women19057%
- Men14143%
Chronic conditions among Dr. Ariyaratnam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Chronic kidney disease56%
- Ischemic heart disease54%
- Diabetes48%
- COPD46%
- Heart failure46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ariyaratnam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan E. Ariyaratnam wrote 581 Medicare Part D claims in 2024
In 2024, Dr. Ariyaratnam wrote 581 Medicare Part D claims for 202 patients. 88% of them were for generic drugs. CMS names the drug for 224 of them, across 11 drugs with 11 or more claims each, at $2,599 in total drug cost. In 2023, CMS named 50 claims across 4 drugs.
Dr. Ariyaratnam's Part D claims by kind of drug, 2024
- Generic509 claims88%
- Brand-name and other72 claims12%
Dr. Ariyaratnam'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. Ariyaratnam's Part D claims, 2024
- Opioids3%15 of 581 claims
- Antibiotics20%119 of 581 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: 502024: 224348%
Drugs named by CMS: 11 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
Dr. Jonathan E. Ariyaratnam scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Ariyaratnam for performance year 2024, reported as part of a group.
Dr. Ariyaratnam's MIPS scores, performance year 2024
- 86of 100Final score
- 70.1of 100Quality
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Jonathan E. Ariyaratnam has 8 publications on record
Dmand AI links 8 papers to Dr. Ariyaratnam in 2023. 2023 was the busiest year, with 4. Dr. Ariyaratnam has published most often in Cureus. Dr. Ariyaratnam's most frequent co-authors are Theo Trandafirescu, Nazaakat Ahmed, MD and Asma Ul Hosna, MD.
Dr. Ariyaratnam's most frequent co-authors
Recent publications by Dr. Ariyaratnam
See who Dr. Ariyaratnam researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ariyaratnam works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jonathan E. Ariyaratnam received $7,552 in industry payments from 2023 to 2024
CMS Open Payments shows 4 general payments to Dr. Ariyaratnam from 2 drug and device companies from 2023 to 2024. Grants make up the largest share, 99% of the total. Medtronic, Inc. paid the most, $7,520.
General payments to Dr. Ariyaratnam by program year, 2023 to 2024
General payments to Dr. Ariyaratnam by kind, 2023 to 2024
- Grants$7,50099%
- Food and beverage$521%
Companies that paid Dr. Ariyaratnam the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonathan E. Ariyaratnam'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 | Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. Jonathan E. Ariyaratnam
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. Jonathan E. Ariyaratnam's NPI number?
Dr. Jonathan E. Ariyaratnam's NPI number is 1134758873. It was assigned on April 4, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan E. Ariyaratnam?
Dr. Jonathan E. Ariyaratnam is an internist in Bangor, Maine. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan E. Ariyaratnam practice?
Dr. Ariyaratnam practices at 360 Broadway, Bangor, ME 04401. Dr. Ariyaratnam's primary practice is St. Joseph Healthcare in Bangor, Maine, part of Covenant Health. Dmand AI also links Dr. Ariyaratnam to 3 hospitals, 5 medical groups, 4 group practices and clinics and 1 physician office.
What is Dr. Jonathan E. Ariyaratnam's office phone number?
The practice phone on file for Dr. Ariyaratnam is (207) 262-1000.
What is Dr. Jonathan E. Ariyaratnam's medical license number?
Dr. Ariyaratnam holds New York license 325022.
Which hospitals is Dr. Jonathan E. Ariyaratnam affiliated with?
Dr. Ariyaratnam practices at St. Joseph Healthcare in Bangor, Maine. Dr. Ariyaratnam is also affiliated with St. Joseph Hospital. Dmand AI links Dr. Ariyaratnam to 3 more hospitals.
What medical group is Dr. Jonathan E. Ariyaratnam part of?
Dr. Ariyaratnam is linked to NES Health. Dmand AI links Dr. Ariyaratnam to 5 more medical groups.
Does Dr. Jonathan E. Ariyaratnam accept Medicare?
Yes. CMS data shows Dr. Ariyaratnam billed Medicare for 1,205 services in 2024.
What is Dr. Jonathan E. Ariyaratnam's MIPS score?
Dr. Ariyaratnam's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jonathan E. Ariyaratnam see?
CMS counts 331 Medicare patients who saw Dr. Ariyaratnam in 2024, with an average age of 77.
Show 6 more questionsShow fewer questions
What services does Dr. Jonathan E. Ariyaratnam bill to Medicare?
In 2024, Dr. Ariyaratnam's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
What drugs does Dr. Jonathan E. Ariyaratnam prescribe most?
In 2024 Medicare Part D data, Dr. Ariyaratnam's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Prednisone and Atorvastatin Calcium.
Has Dr. Jonathan E. Ariyaratnam received payments from drug or device companies?
CMS Open Payments shows $7,552 in general payments to Dr. Ariyaratnam from 2 companies from 2023 to 2024. The largest total came from Medtronic, Inc.
How long has Dr. Jonathan E. Ariyaratnam been practicing?
Dr. Ariyaratnam graduated from medical school in 2020, 6 years ago.
Does Dr. Jonathan E. Ariyaratnam do research?
Dmand AI links 8 publications to Dr. Ariyaratnam.
Who does Dr. Jonathan E. Ariyaratnam publish with?
Dr. Ariyaratnam's most frequent co-authors are Theo Trandafirescu (5 shared papers), Nazaakat Ahmed, MD (3 shared papers) and Asma Ul Hosna, MD (3 shared papers).
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