NPPES file of Aug 9, 2026

Gyu Cheol Choi, M.D

Internal Medicine Physician · Worcester, MA

Gyu Cheol Choi, M.D is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1770036451, issued on Jul 28, 2016. Check the license (Massachusetts 283576, 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
1770036451
Name
Gyu Cheol Choi
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
283576 MA
Self-reported in NPPES; status is on the state search
Practice location
1 W Boylston St # 2700, Worcester, MA 01605
Phone
(083) 348-8025
Enumerated
Jul 28, 2016
Record last updated
Nov 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(508) 334-8803
Medicare enrollment
Enrolled (PECOS I20200828002135); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Verify Gyu Cheol Choi 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 283576
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

7,028 Medicare Part D claims for 614 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. 97 claims were for opioids.

  1. Gyu Cheol Choi7,028
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium618 claims
  2. Lisinopril306 claims
  3. Rosuvastatin Calcium299 claims
  4. Gabapentin259 claims
  5. Omeprazole256 claims
  6. Amlodipine Besylate232 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.

Bills Medicare through one group practice

  1. Umass Memorial Medical Group IncWorcester, MA

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

Gyu Cheol Choi among 6,825 internal medicine physician records in Massachusetts

Gyu Cheol Choi, M.D 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 2016, is newer than 77% of them.

  • NPI issued2016 · 77% of these records are older, 21% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2016 · median 2004 among the 4,103 with a school on file
  • Record last updated2020 · 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).

448 internal medicine physician records list a practice address in Worcester

They are 448 of the 13,166 NPPES records with a practice address in Worcester, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Maria Casal, M.D.Worcester, MA 016051609859503
  2. Paula Cullinane, M.D.Worcester, MA 016051952384950
  3. Michael Galica, M.D.Worcester, MA 016051972586733
  4. Maria Garcia, M.D.Worcester, MA 016051396726220
  5. Mary Hawthorne, M.D.Worcester, MA 016051013990787
  6. Gayatridevi Ika, M.D.Worcester, MA 016051124001102
  7. Jayanthi Kumar, M.D.Worcester, MA 016051528041423
  8. Christine Macginnis, D.O.Worcester, MA 016051952382772

Common questions

What is Gyu Cheol Choi, M.D's NPI number?

Gyu Cheol Choi, M.D's National Provider Identifier (NPI) is 1770036451, issued on Jul 28, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Gyu Cheol Choi, M.D located?

The NPPES record lists a practice address at 1 W Boylston St # 2700, Worcester, MA, 01605. Phone: (083) 348-8025. Providers update this record themselves, so call before visiting.

How can I verify Gyu Cheol Choi, M.D's license?

NPPES lists Massachusetts license number 283576, 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 Gyu Cheol Choi, M.D prescribe under Medicare Part D?

In 2024, Gyu Cheol Choi, M.D had 7,028 Medicare Part D claims for 614 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.