NPPES file of Aug 9, 2026

Chiochen Cheng, M.D.

Internal Medicine Physician · Andover, MA

Chiochen Cheng, M.D. is an internal medicine physician with a practice address in Andover, Massachusetts, and NPI 1346200300, issued on Mar 24, 2006. Check the license (Massachusetts 208697, 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
1346200300
Name
Chiochen Cheng
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
208697 MA
11167 NH
Self-reported in NPPES; status is on the state search
Practice location
133 Bailey RD, Andover, MA 01810
Phone
(978) 886-3978
Enumerated
Mar 24, 2006
Record last updated
Dec 27, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid IDs
0140066 MA
30201520 NH
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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Verify Chiochen Cheng 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 208697
    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

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

35 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Chiochen Cheng35
  2. Specialty average3,176

Most prescribed

  1. Praluent Pen11 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.

Chiochen Cheng among 6,825 internal medicine physician records in Massachusetts

Chiochen Cheng, 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2011 · 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).

15 internal medicine physician records list a practice address in Andover

They are 15 of the 807 NPPES records with a practice address in Andover, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Madhavi Challagulla, MDAndover, MA 018101023132800
  2. Susan Feeney, NPAndover, MA 018101730255019
  3. Douglas Katz, MDAndover, MA 018101780693820
  4. Paul Lemaitre, M.D.Andover, MA 018101255370250
  5. Amy Patel, M.D.Andover, MA 018101811175847
  6. Gary Portnay, M.DAndover, MA 018101346289345
  7. Sayeeda Rahman, M.D.Andover, MA 018101467551218
  8. Alida Rosado Rodriguez, MDAndover, MA 018101255594388

Common questions

What is Chiochen Cheng, M.D.'s NPI number?

Chiochen Cheng, M.D.'s National Provider Identifier (NPI) is 1346200300, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chiochen Cheng, M.D. located?

The NPPES record lists a practice address at 133 Bailey RD, Andover, MA, 01810. Phone: (978) 886-3978. Providers update this record themselves, so call before visiting.

How can I verify Chiochen Cheng, M.D.'s license?

NPPES lists Massachusetts license number 208697, 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 Chiochen Cheng, M.D. prescribe under Medicare Part D?

In 2024, Chiochen Cheng, M.D. had 35 Medicare Part D claims; 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.