Dr. Dineli N. Ahearn, MD

  • Boston, MA
  • Internist
NPI1528015922PAC ID8224162466
Medicare services, 2024
953
Medicare patients, 2024
305
Part D claims, 2024
6,539
Publications
2
Hospital affiliations
5
Practice address
800 Washington Street, Boston, MA 02111
Practice phone
Call (617) 636-5000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Tufts Medical Center

Hospital · Boston, Massachusetts

See all 10 affiliations

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Dr. Dineli N. Ahearn is an internist in Boston, Massachusetts

Dr. Ahearn practices at Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine.

Dr. Ahearn's NPI, 1528015922, was assigned on May 30, 2006. Dr. Ahearn graduated from Tufts University School Of Medicine in 1993. Dr. Ahearn holds Massachusetts license 151307.

NPI and contact details
Medicare PAC ID
8224162466
NPI enumeration date
May 30, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 636-5000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Dineli N. Ahearn practices at Tufts Medical Center in Boston, Massachusetts

Dr. Ahearn's primary practice is Tufts Medical Center, at 800 Washington Street, Boston, MA 02111 in Suffolk County. The practice phone is (617) 636-5000.

  • Tufts Medical Center
    800 Washington Street, Boston, MA 02111 · Suffolk CountyPhone(617) 636-5000

Source: Dmand AI Affiliation Data

Dr. Dineli N. Ahearn is affiliated with 9 sites of care and 1 medical group

Dr. Ahearn's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dr. Ahearn is also affiliated with Newton-Wellesley Hospital. The medical group on file is Pratt Medical Group, Inc. - General Medical Associates (General Internal Medicine). Dmand AI also links Dr. Ahearn to 3 more hospitals, 3 home health agencies and 1 imaging center, each named with a free account.

See all 10 affiliations for Dr. Ahearn

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Dineli N. Ahearn's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahearn practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Tufts Medical CenterAvailable with a free account
+8 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Dineli N. Ahearn is one of 5,528 internists in Massachusetts

Internal medicine is Dr. Ahearn's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ahearn is board certified in internal medicine by the American Board of Internal Medicine. Dr. Ahearn is licensed in Massachusetts.

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 151307 · 1996 to 2027 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, adjustment disease, alzheimer's disease, anxiety and arteritis among the conditions Dr. Ahearn treats.

Internists near Dr. Ahearn

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. Dineli N. Ahearn billed Medicare for 953 services in 2024

CMS data shows 953 Medicare services from Dr. Ahearn across 13 procedure codes in 2024, for 305 Medicare patients. Medicare paid $68,976 for them.

Medicare services, 2024953
Medicare patients305
Paid by Medicare$68,976
Procedure codes13

Dr. Ahearn's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4812024: 55315%
Other services
2023: 02024: 400

Where Dr. Ahearn's Medicare services took place, 2024

  • In an office687%
  • In a facility88593%

Dr. Ahearn compared with the Massachusetts median for internists, 2024

  • Dr. Ahearn
  • Massachusetts median
Medicare services
953vs 4312.2 times
Medicare patients
305vs 19457% above
Part D claims
5,826vs 40214.5 times

Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Ahearn'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.

See all procedures by Dr. Ahearn

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Dineli N. Ahearn treated 305 Medicare patients in 2024, average age 73

CMS counts 305 Medicare patients who saw Dr. Ahearn in 2024. The largest group is 65 to 74, with 137 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ahearn's median patient age at 61, with 65% women.

Medicare patients, 2024305
Average age73
Average risk score1.31
Also on Medicaid29%

Dr. Ahearn's Medicare patients by age, 2024

Dr. Ahearn's Medicare patients by sex, 2024

  • Women19664%
  • Men10936%

Chronic conditions among Dr. Ahearn's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure70%
  3. Arthritis44%
  4. Mood disorders35%
  5. Anxiety33%
  6. Depression30%
  7. Diabetes30%
  8. Ischemic heart disease30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ahearn's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women65%
  • Men34%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Dineli N. Ahearn wrote 6,539 Medicare Part D claims in 2024

In 2024, Dr. Ahearn wrote 6,539 Medicare Part D claims for 357 patients. 85% of them were for generic drugs. CMS names the drug for 5,826 of them, across 110 drugs with 11 or more claims each, at $562,757 in total drug cost. In 2023, CMS named 5,186 claims across 110 drugs.

Part D claims, 20246,539
Drugs named by CMS110
Total drug cost$562,757
Part D patients357

Dr. Ahearn's Part D claims by kind of drug, 2024

  • Generic5,579 claims85%
  • Brand-name936 claims14%
  • Other24 claims0%

Dr. Ahearn'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. Ahearn's Part D claims, 2024

  • Opioids4%279 of 6,539 claims
  • Antibiotics1%70 of 6,539 claims
  • Antipsychotics, patients 65 and over0%20 of 6,539 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: 5,1862024: 5,82612%

Drugs named by CMS: 110 in 2024, 110 in 2023.

See all prescribing by Dr. Ahearn

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. Dineli N. Ahearn offers telehealth to Medicare patients

Dr. Ahearn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ahearn as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Dineli N. Ahearn has 2 publications on record

Dmand AI links 2 papers to Dr. Ahearn, published from 2006 to 2007. The most frequent topics are Cholesterol, HDL, Cholesterol, LDL and Coronary Disease. Dr. Ahearn has published most often in Am J Cardiol.

Papers2
Years published2006 to 2007

Topics Dr. Ahearn writes about most

  • Cholesterol, HDL
  • Cholesterol, LDL
  • Coronary Disease
  • Hydroxymethylglutaryl-CoA Reductase Inhibitors

Recent publications by Dr. Ahearn

See all 2 publications and co-authors

See who Dr. Ahearn researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ahearn works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Dineli N. Ahearn received $76 in industry payments from 2016 to 2019

CMS Open Payments shows 5 general payments to Dr. Ahearn from 3 drug and device companies from 2016 to 2019. Education make up the largest share, 65% of the total. Synergy Pharmaceuticals Inc paid the most, $49.

General payments to Dr. Ahearn by program year, 2016 to 2019

General payments to Dr. Ahearn by kind, 2016 to 2019

$76in total
  • Education$4965%
  • Food and beverage$2735%

Companies that paid Dr. Ahearn the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Ahearn

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Dineli N. Ahearn has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Ahearn, most recently NCQA PCMH in 2016.

Awards and honors for Dr. Ahearn

  1. 2016
    • NCQA PCMH
  2. 2013
    • Boston Magazine

Source: Dmand AI Professional Profile Data

Dr. Dineli N. Ahearn graduated from Tufts University School Of Medicine

Dr. Ahearn graduated from Tufts University School Of Medicine in 1993.

  1. Medical schoolTufts University School Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Dineli N. Ahearn accepts plans from 9 insurance carriers

Dr. Ahearn is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • Elevance
  • +1 more carriersWith a free account

Plan types Dr. Ahearn accepts, by number of carriers

  1. Medicare7
  2. PPO7
  3. HMO5
  4. POS3
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Dineli N. Ahearn's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Dineli N. Ahearn

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. Dineli N. Ahearn's NPI number?

Dr. Dineli N. Ahearn's NPI number is 1528015922. It was assigned on May 30, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Dineli N. Ahearn?

Dr. Dineli N. Ahearn is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Dineli N. Ahearn practice?

Dr. Ahearn practices at 800 Washington Street, Boston, MA 02111. Dr. Ahearn's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Ahearn to 3 hospitals, 3 home health agencies and 1 imaging center.

What is Dr. Dineli N. Ahearn's office phone number?

The practice phone on file for Dr. Ahearn is (617) 636-5000.

What is Dr. Dineli N. Ahearn's medical license number?

Dr. Ahearn holds Massachusetts license 151307.

Which hospitals is Dr. Dineli N. Ahearn affiliated with?

Dr. Ahearn practices at Tufts Medical Center in Boston, Massachusetts. Dr. Ahearn is also affiliated with Newton-Wellesley Hospital. Dmand AI links Dr. Ahearn to 3 more hospitals.

What medical group is Dr. Dineli N. Ahearn part of?

Dr. Ahearn is linked to Pratt Medical Group, Inc. - General Medical Associates (General Internal Medicine).

Does Dr. Dineli N. Ahearn accept Medicare?

Yes. CMS data shows Dr. Ahearn billed Medicare for 953 services in 2024, and Dr. Ahearn accepts Medicare assignment.

Does Dr. Dineli N. Ahearn offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ahearn as offering telehealth services.

How many Medicare patients does Dr. Dineli N. Ahearn see?

CMS counts 305 Medicare patients who saw Dr. Ahearn in 2024, with an average age of 73.

Show 8 more questionsShow fewer questions

Is Dr. Dineli N. Ahearn board certified?

Yes. Dr. Ahearn is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Dineli N. Ahearn bill to Medicare?

In 2024, Dr. Ahearn's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99213).

Where did Dr. Dineli N. Ahearn go to medical school?

Dr. Ahearn graduated from Tufts University School Of Medicine in 1993.

What drugs does Dr. Dineli N. Ahearn prescribe most?

In 2024 Medicare Part D data, Dr. Ahearn's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.

Has Dr. Dineli N. Ahearn received payments from drug or device companies?

CMS Open Payments shows $76 in general payments to Dr. Ahearn from 3 companies from 2016 to 2019. The largest total came from Synergy Pharmaceuticals Inc.

How long has Dr. Dineli N. Ahearn been practicing?

Dr. Ahearn graduated from medical school in 1993, 33 years ago.

Does Dr. Dineli N. Ahearn do research?

Dmand AI links 2 publications to Dr. Ahearn, published from 2006 to 2007.

What insurance does Dr. Dineli N. Ahearn accept?

Dr. Ahearn is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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