NPPES file of Aug 9, 2026

Doyun Park, M.D.

Hematology (Internal Medicine) Physician · Springfield, MA

Doyun Park, M.D. is a hematology (internal medicine) physician with a practice address in Springfield, Massachusetts, and NPI 1982984258, issued on Aug 18, 2011. Check the license (Massachusetts 283010, 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
1982984258
Name
Doyun Park
Credential
M.D.
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
283010 MA
Self-reported in NPPES; status is on the state search
Practice location
3350 Main St, Springfield, MA 01107
Phone
(413) 794-9338
Enumerated
Aug 18, 2011
Record last updated
Jul 20, 2023
Fax
(413) 794-9754
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3350 Main St

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

  1. Brian Acker, M.D.Specialist1619077369
  2. Syed Ali, MDMedical Oncology Physician1174751267
  3. Jennifer Alli, DNP FNP-BCFamily Nurse Practitioner1255764890
  4. Janivette Alsina, MD, PHDSurgical Oncology Physician1477758043
  5. Armen Asik, M.DMedical Oncology Physician1326066200
  6. Prarthna Bhardwaj, MDHematology & Oncology Physician1487007225

Verify Doyun 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 283010
    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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42% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024

286 Medicare Part D claims for 64 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 13 claims were for opioids.

  1. Doyun Park286
  2. Specialty average496

Most prescribed

  1. Hydroxyurea54 claims
  2. Eliquis33 claims
  3. Valacyclovir16 claims
  4. Acyclovir13 claims
  5. Imatinib Mesylate13 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: $17.57

1 payment: food and beverage; the largest payer was SpringWorks Therapeutics, Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Doyun Park$18
  2. Specialty average$13,778

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

Doyun Park among 117 hematology (internal medicine) physician records in Massachusetts

Doyun Park, M.D. is one of 117 hematology (internal medicine) physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 64% of them.

  • NPI issued2011 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2023 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in Massachusetts

There are 117 hematology (internal medicine) physician records in Massachusetts.

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Chandravathi Loke, MDSpringfield, MA 011071578530804
  2. John McCann, MDSpringfield, MA 011071952323271
  3. Richard Steingart, MDSpringfield, MA 011071740202076
  4. Lois KamugishaNorthampton, MA 010601134396948
  5. Alan Tseng, MD, PHDNorthampton, MA 010601518420520
  6. Arthur Church, M.D.Worcester, MA 016041912946252
  7. Rachel Borson, MDWorcester, MA 016551699759209
  8. Robert Weinstein, MDWorcester, MA 016551598754269

Common questions

What is Doyun Park, M.D.'s NPI number?

Doyun Park, M.D.'s National Provider Identifier (NPI) is 1982984258, issued on Aug 18, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Doyun Park, M.D. located?

The NPPES record lists a practice address at 3350 Main St, Springfield, MA, 01107. Phone: (413) 794-9338. Providers update this record themselves, so call before visiting.

How can I verify Doyun Park, M.D.'s license?

NPPES lists Massachusetts license number 283010, 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 Doyun Park, M.D. prescribe under Medicare Part D?

In 2024, Doyun Park, M.D. had 286 Medicare Part D claims for 64 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.