NPPES file of Aug 9, 2026

Hyun-Young Park, MD

Internal Medicine Physician · Chicopee, MA

Hyun-Young Park, MD is an internal medicine physician with a practice address in Chicopee, Massachusetts, and NPI 1689657207, issued on Nov 29, 2005. Check the license (Massachusetts 226321, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689657207
Name
Hyun-Young Park
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
226321 MA
Self-reported in NPPES; status is on the state search
Practice location
444 Montgomery St, Chicopee, MA 01020
Phone
(413) 594-3111
Enumerated
Nov 29, 2005
Record last updated
Apr 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(413) 598-7876
Medicaid ID
110041871A MA
Medicare enrollment
Enrolled (PECOS I20051108000786); accepts Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 444 Montgomery St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Janice Acheampong, MDInternal Medicine Physician1912144031
  2. Jennifer Alix, PA-CPhysician Assistant1407296528
  3. Lee Appelbaum, DOObstetrics & Gynecology Physician1063876266
  4. Charles Austin, M.D.Diagnostic Radiology Physician1700840899
  5. Suzy-Ann BakerFamily Nurse Practitioner1952051120
  6. Patrick Barnett, MDDiagnostic Radiology Physician1396781381

Verify Hyun-Young Park in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 226321
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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58% more Medicare Part D claims than the average internal medicine physician in 2024

5,010 Medicare Part D claims for 535 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 91 claims were for opioids.

  1. Hyun-Young Park5,010
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium551 claims
  2. Lisinopril384 claims
  3. Amlodipine Besylate319 claims
  4. Levothyroxine Sodium247 claims
  5. Simvastatin154 claims
  6. Metformin Hcl Er132 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $28.41

1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hyun-Young Park$28.41
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Baystate Medical Practices IncFeeding Hills, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hyun-Young Park among 6,825 internal medicine physician records in Massachusetts

Hyun-Young Park, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2002 · median 2004 among the 4,103 with a school on file
  • Record last updated2016 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 internal medicine physician records list a practice address in Chicopee

They are 23 of the 730 NPPES records with a practice address in Chicopee, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Alan Burstein, M.D.Chicopee, MA 010201962465468
  2. Joanna Cichon, MDChicopee, MA 010201891768529
  3. Antone Cruz, M.D.Chicopee, MA 010201851354716
  4. Franco Desantis, M.D.Chicopee, MA 010201245297142
  5. Annabel Lee Espinas, MDChicopee, MA 010201518918770
  6. Asma Kareem, MDChicopee, MA 010201215911441
  7. Joseph Kelly, M.D.Chicopee, MA 010201649233115
  8. Robert Lounsbury, M.D.Chicopee, MA 010201154384113

Common questions

What is Hyun-Young Park, MD's NPI number?

Hyun-Young Park, MD's National Provider Identifier (NPI) is 1689657207, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Hyun-Young Park, MD located?

The NPPES record lists a practice address at 444 Montgomery St, Chicopee, MA, 01020. Phone: (413) 594-3111. Providers update this record themselves, so call before visiting.

How can I verify Hyun-Young Park, MD's license?

NPPES lists Massachusetts license number 226321, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Hyun-Young Park, MD prescribe under Medicare Part D?

In 2024, Hyun-Young Park, MD had 5,010 Medicare Part D claims for 535 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.