NPPES file of Aug 9, 2026

Chi Cheung, M.D.

Internal Medicine Physician · Adams, MA

Chi Cheung, M.D. is an internal medicine physician with a practice address in Adams, Massachusetts, and NPI 1851373773, issued on Nov 16, 2005. Check the license (Massachusetts 208401, 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
1851373773
Name
Chi Cheung
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
208401 MA
Self-reported in NPPES; status is on the state search
Practice location
19 Depot St, Adams, MA 01220
Phone
(413) 743-1080
Enumerated
Nov 16, 2005
Record last updated
Jun 30, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(413) 743-5306
Medicaid ID
0148661 MA
Medicare enrollment
Enrolled (PECOS I20080523000021); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1998
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 19 Depot St

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

  1. Abdalla AbdelaalDentist1528991668
  2. Morton Broch, PHDPsychologist1548483175
  3. Jaclyn Flynn, DCChiropractor1861558272
  4. Kevin Flynn, DCChiropractor1255497129
  5. Allen Joslin, M.D.Internal Medicine Physician1396727202
  6. Douglas Karrel, M.D.Internal Medicine Physician1457333437

Verify Chi Cheung 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 208401    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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4.4 times the Medicare Part D claims of the average internal medicine physician in 2024

13,995 Medicare Part D claims for 759 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 861 claims were for opioids.

  1. Chi Cheung13,995
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium625 claims
  2. Amlodipine Besylate586 claims
  3. Omeprazole561 claims
  4. Metoprolol Succinate524 claims
  5. Losartan Potassium391 claims
  6. Lisinopril352 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. Berkshire Faculty Services IncAdams, MA

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

6 internal medicine physician records list a practice address in Adams

They are 6 of the 85 NPPES records with a practice address in Adams, and 6,825 internal medicine physician records in Massachusetts.

All 6 in Adams → All 6,825 in Massachusetts → Every provider in Adams →

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Nathan Abare, MDSpringfield, MA1386852747
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Taimur AbbasiBoston, MA1841673522
  5. Lauren Abbate, MDBoston, MA1922099621
  6. Bassima Abdallah, MDBoston, MA1912327305
  7. Maya Abdallah, MDBoston, MA1861854937
  8. Samah Abdallah, MDBrighton, MA1730814971
  9. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Chi Cheung, M.D.'s NPI number?

Chi Cheung, M.D.'s National Provider Identifier (NPI) is 1851373773, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Chi Cheung, M.D. located?

The NPPES record lists a practice address at 19 Depot St, Adams, MA, 01220. Phone: (413) 743-1080. Providers update this record themselves, so call before visiting.

How can I verify Chi Cheung, M.D.'s license?

NPPES lists Massachusetts license number 208401, 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 Chi Cheung, M.D. prescribe under Medicare Part D?

In 2024, Chi Cheung, M.D. had 13,995 Medicare Part D claims for 759 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.