Dr. Ari J. Wassner, MD

  • Boston, MA
  • Pediatric endocrinology physician
NPI1619165552PAC ID0143372730
Part D claims, 2020
21
Publications
63
Hospital affiliations
1
Medical group
1
Insurance carriers
10
Practice address
300 Longwood Avenue, Boston, MA 02115
Practice phone
Call (617) 735-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Boston Children's Hospital

Hospital · Boston, Massachusetts

See all 3 affiliations

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Dr. Ari J. Wassner is a pediatric endocrinology physician in Boston, Massachusetts

Dr. Wassner practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.

Dr. Wassner's NPI, 1619165552, was assigned on October 4, 2007. Dr. Wassner graduated from Harvard Medical School in 2005. Dr. Wassner holds Massachusetts license 234143.

NPI and contact details
Medicare PAC ID
0143372730
NPI enumeration date
October 4, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(617) 735-6000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
47
Medical school graduation
2005

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

Dr. Ari J. Wassner practices at Boston Children's Hospital in Boston, Massachusetts

Dr. Wassner's primary practice is Boston Children's Hospital, at 300 Longwood Avenue, Boston, MA 02115 in Suffolk County. The practice phone is (617) 735-6000.

Source: Dmand AI Affiliation Data

Dr. Ari J. Wassner is affiliated with 2 sites of care and 1 medical group

Dr. Wassner's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. The medical group on file is Boston Children's Hospital. Dmand AI also links Dr. Wassner to 1 more dialysis center, named with a free account.

See all 3 affiliations for Dr. Wassner

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

Dmand AI tracks the EHR system at Dr. Ari J. Wassner's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wassner practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Boston Children's HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dmand AI maps EHR vendors, IT decision makers and buying committees across The Children's Hospital and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Ari J. Wassner is one of 95 pediatric endocrinology physicians in Massachusetts

Pediatric endocrinology is Dr. Wassner's primary specialty in the NPI Registry, under taxonomy code 2080P0205X. Dr. Wassner is board certified in pediatric endocrinology by the American Board of Pediatrics. Dr. Wassner is licensed in Massachusetts.

Specialties and state licenses

  • Pediatric endocrinology, MassachusettsPrimaryLicense 234143 · 2007 to 2026 · taxonomy 2080P0205X

Pediatric endocrinology physicians near Dr. Wassner

Counts of pediatric endocrinology physicians 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. Ari J. Wassner's patients have a median age of 13

Across all payers, Dmand AI patient panel data puts Dr. Wassner's median patient age at 13, with 54% women.

Dr. Wassner's patients across all payers

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

Patient panel by age, all payers

Median age 13

Patient panel by sex, all payers

  • Women54%
  • Men45%

Source: Dmand AI Patient Panel Data

Dr. Ari J. Wassner wrote 21 Medicare Part D claims in 2020

In 2020, Dr. Wassner wrote 21 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $258 in total drug cost.

Part D claims, 202021
Drugs named by CMS1
Total drug cost$258

Dr. Wassner's most prescribed drugs by claims, 2020

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Wassner

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

How Dr. Ari J. Wassner takes part in Medicare

Dr. Wassner 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. Ari J. Wassner has 63 publications on record

Dmand AI links 63 papers to Dr. Wassner, published from 2013 to 2025. 2019 was the busiest year, with 5. The most frequent topics are Thyroid Neoplasms, Thyroid Nodule and Thyroid Gland. Dr. Wassner has published most often in J Clin Endocrinol Metab. Dr. Wassner's most frequent co-authors are Jessica R. Smith, MD, Christine E. Cherella, MD and Biren P. Modi, MD.

Papers63
Years published2013 to 2025

Dr. Wassner's papers by year, 2015 to 2025

Topics Dr. Wassner writes about most

  • Thyroid Neoplasms
  • Thyroid Nodule
  • Thyroid Gland
  • Congenital Hypothyroidism
  • Thyroidectomy
  • Ultrasonography
  • Thyroid Cancer, Papillary
  • Thyroxine

Dr. Wassner's most frequent co-authors

Recent publications by Dr. Wassner

See all 63 publications and co-authors

See who Dr. Wassner researches with

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

How network discovery works

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

Dr. Ari J. Wassner graduated from Harvard Medical School

Dr. Wassner graduated from Harvard Medical School in 2005. Dr. Wassner is a member of ENDO.

  1. Medical schoolHarvard Medical School
  2. Board certified in pediatric endocrinologyAmerican Board of Pediatrics
  3. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Ari J. Wassner accepts plans from 10 insurance carriers

Dr. Wassner is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 6. 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
  • Elevance
  • EMI Health
  • NY State Medicaid
  • +2 more carriersWith a free account

Plan types Dr. Wassner accepts, by number of carriers

  1. PPO6
  2. HMO5
  3. Medicare5
  4. Medicaid3
  5. POS3
  6. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ari J. Wassner'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 patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (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
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. Ari J. Wassner

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. Ari J. Wassner's NPI number?

Dr. Ari J. Wassner's NPI number is 1619165552. It was assigned on October 4, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Ari J. Wassner?

Dr. Ari J. Wassner is a pediatric endocrinology physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Pediatric Endocrinology Physician (taxonomy code 2080P0205X).

Where does Dr. Ari J. Wassner practice?

Dr. Wassner practices at 300 Longwood Avenue, Boston, MA 02115. Dr. Wassner's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dmand AI also links Dr. Wassner to 1 dialysis center.

What is Dr. Ari J. Wassner's office phone number?

The practice phone on file for Dr. Wassner is (617) 735-6000.

What is Dr. Ari J. Wassner's medical license number?

Dr. Wassner holds Massachusetts license 234143.

Which hospitals is Dr. Ari J. Wassner affiliated with?

Dr. Wassner practices at Boston Children's Hospital in Boston, Massachusetts.

What medical group is Dr. Ari J. Wassner part of?

Dr. Wassner is linked to Boston Children's Hospital.

Does Dr. Ari J. Wassner accept Medicare?

Yes. CMS lists Dr. Wassner as accepting Medicare assignment.

Is Dr. Ari J. Wassner board certified?

Yes. Dr. Wassner is board certified in pediatric endocrinology by the American Board of Pediatrics.

Where did Dr. Ari J. Wassner go to medical school?

Dr. Wassner graduated from Harvard Medical School in 2005.

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What drugs does Dr. Ari J. Wassner prescribe most?

In 2020 Medicare Part D data, Dr. Wassner's most prescribed drugs by claims were Levothyroxine Sodium.

How long has Dr. Ari J. Wassner been practicing?

Dr. Wassner graduated from medical school in 2005, 21 years ago.

Does Dr. Ari J. Wassner do research?

Dmand AI links 63 publications to Dr. Wassner, published from 2013 to 2025.

Who does Dr. Ari J. Wassner publish with?

Dr. Wassner's most frequent co-authors are Jessica R. Smith, MD (17 shared papers), Christine E. Cherella, MD (14 shared papers) and Biren P. Modi, MD (13 shared papers).

What insurance does Dr. Ari J. Wassner accept?

Dr. Wassner is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.

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