Dr. Heidi Sohyun Park, MD

  • Boston, MA
  • Internist
NPI1629657655PAC ID0941655922
Part D claims, 2024
112
Publications
1
Hospital affiliations
2
Medical groups
3
State license
1
Practice address
243 Charles Street, Boston, MA 02114
Practice phone
Call (617) 523-7900
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Massachusetts Eye and Ear

Hospital · Boston, Massachusetts

See all 5 affiliations

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Dr. Heidi Sohyun Park is an internist in Boston, Massachusetts

Dr. Park practices at Massachusetts Eye and Ear in Boston, Massachusetts, part of Mass General Brigham.

Dr. Park's NPI, 1629657655, was assigned on April 6, 2021. Dr. Park holds Massachusetts license 288803.

NPI and contact details
Medicare PAC ID
0941655922
NPI enumeration date
April 6, 2021
NPI status
Active
Practice phone
(617) 523-7900
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Heidi Sohyun Park practices at Massachusetts Eye and Ear in Boston, Massachusetts

Dr. Park's primary practice is Massachusetts Eye and Ear, at 243 Charles Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 523-7900.

Source: Dmand AI Affiliation Data

Dr. Heidi Sohyun Park is affiliated with 2 sites of care and 3 medical groups

Dr. Park's primary practice is Massachusetts Eye and Ear in Boston, Massachusetts, part of Mass General Brigham. Dr. Park is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Park to 2 more medical groups, each named with a free account.

See all 5 affiliations for Dr. Park

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

Dmand AI tracks the EHR system at Dr. Heidi Sohyun Park's practice

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

EHR by site
SiteEHR vendor and product
Massachusetts Eye and EarAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Heidi Sohyun Park is one of 5,528 internists in Massachusetts

Internal medicine is Dr. Park's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Park is licensed in Massachusetts.

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 288803 · taxonomy 207R00000X

Internists near Dr. Park

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. Heidi Sohyun Park's patients have a median age of 66

Across all payers, Dmand AI patient panel data puts Dr. Park's median patient age at 66, with 38% women.

Dr. Park's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women38%
  • Men63%

Source: Dmand AI Patient Panel Data

Dr. Heidi Sohyun Park wrote 112 Medicare Part D claims in 2024

In 2024, Dr. Park wrote 112 Medicare Part D claims for 45 patients. 84% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $453 in total drug cost. In 2022, CMS named 17 claims across 1 drug.

Part D claims, 2024112
Drugs named by CMS1
Total drug cost$453
Part D patients45

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

  • Generic94 claims84%
  • Brand-name and other18 claims16%

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

  • Antibiotics47%53 of 112 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, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 172024: 1324%

Drugs named by CMS: 1 in 2024, 1 in 2022.

See all prescribing by Dr. Park

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

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Dr. Heidi Sohyun Park has 1 publication on record

Dmand AI links 1 paper to Dr. Park in 2025. Dr. Park's most frequent co-author is Elizabeth L. Chou, MD.

Papers1

Dr. Park's most frequent co-authors

Recent publications by Dr. Park

See all 1 publications and co-authors

See who Dr. Park researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Park 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

Sources for Dr. Heidi Sohyun Park'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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Heidi Sohyun Park

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. Heidi Sohyun Park's NPI number?

Dr. Heidi Sohyun Park's NPI number is 1629657655. It was assigned on April 6, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Heidi Sohyun Park?

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

Where does Dr. Heidi Sohyun Park practice?

Dr. Park practices at 243 Charles Street, Boston, MA 02114. Dr. Park's primary practice is Massachusetts Eye and Ear in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Park to 2 medical groups.

What is Dr. Heidi Sohyun Park's office phone number?

The practice phone on file for Dr. Park is (617) 523-7900.

What is Dr. Heidi Sohyun Park's medical license number?

Dr. Park holds Massachusetts license 288803.

Which hospitals is Dr. Heidi Sohyun Park affiliated with?

Dr. Park practices at Massachusetts Eye and Ear in Boston, Massachusetts. Dr. Park is also affiliated with Massachusetts General Hospital.

What medical group is Dr. Heidi Sohyun Park part of?

Dr. Park is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Park to 2 more medical groups.

What drugs does Dr. Heidi Sohyun Park prescribe most?

In 2024 Medicare Part D data, Dr. Park's most prescribed drugs by claims were Ampicillin Sodium.

How long has Dr. Heidi Sohyun Park been practicing?

Dr. Park's NPI was assigned in 2021.

Does Dr. Heidi Sohyun Park do research?

Dmand AI links 1 publication to Dr. Park.

Who does Dr. Heidi Sohyun Park publish with?

Dr. Park's most frequent co-authors are Elizabeth L. Chou, MD (1 shared paper).

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