NPPES file of Aug 9, 2026

Andrew Chen, MD

Internal Medicine Physician · Kalamazoo, MI

Andrew Chen, MD is an internal medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1457855546, issued on Mar 22, 2018. Check the license (Michigan 4301504850, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1457855546
Name
Andrew Chen
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301504850 MI
Self-reported in NPPES; status is on the state search
Practice location
601 John St Ste M-170, Kalamazoo, MI 49007
Phone
(269) 381-5060
Enumerated
Mar 22, 2018
Record last updated
Jul 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210713003099); accepts Medicare assignment
Medical or professional school
Western Michigan Un Homer Stryker School Of Med, 2018
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

Also registered at 601 John St Ste M-170

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

  1. Nathan Demchuk, DOInternal Medicine Physician1114380540
  2. Amber JohnsonAmbulatory Care Registered Nurse1194344853
  3. Harmanpreet Kaur, MDInternal Medicine Physician1154094431
  4. Matthew Kelly, MDInternal Medicine Physician1013364082
  5. Grace Lopez, BSN, RNAmbulatory Care Registered Nurse1073142295
  6. Cynthia McIntosh, BSN, RNGeneral Practice Registered Nurse1033971056

Verify Andrew Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301504850
    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 Michigan 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.

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

10,972 Medicare Part D claims for 812 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. 358 claims were for opioids.

  1. Andrew Chen10,972
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium785 claims
  2. Levothyroxine Sodium523 claims
  3. Amlodipine Besylate456 claims
  4. Omeprazole323 claims
  5. Rosuvastatin Calcium316 claims
  6. Losartan Potassium292 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: $182.35

10 payments; by number, the most common kind was food and beverage; the largest payer was Chiesi USA, Inc. 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. Andrew Chen$182.35
  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.

One hospital affiliation

  1. Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

158 internal medicine physician records list a practice address in Kalamazoo

They are 158 of the 6,553 NPPES records with a practice address in Kalamazoo, and 5,735 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Jamie Therese Abad, MDDetroit, MI1700573359
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Sura Abbas, MDWarren, MI1801687405
  5. Ramzi Abbasi, MDSaginaw, MI1164270005
  6. Saadat Abbasi, MDKalamazoo, MI1912005596
  7. Shahzaman Abbasi, MDLansing, MI1376512111
  8. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  9. Valerie Abbott, MDSouthfield, MI1740289487
  10. Samer Abboud, MDSaginaw, MI1245804178

Common questions

What is Andrew Chen, MD's NPI number?

Andrew Chen, MD's National Provider Identifier (NPI) is 1457855546, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Chen, MD located?

The NPPES record lists a practice address at 601 John St Ste M-170, Kalamazoo, MI, 49007. Phone: (269) 381-5060. Providers update this record themselves, so call before visiting.

How can I verify Andrew Chen, MD's license?

NPPES lists Michigan license number 4301504850, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Andrew Chen, MD prescribe under Medicare Part D?

In 2024, Andrew Chen, MD had 10,972 Medicare Part D claims for 812 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.