Changjian Chen, MD
Gastroenterology Physician · Kokomo, IN
Changjian Chen, MD is a gastroenterology physician with a practice address in Kokomo, Indiana, and NPI 1649223272, issued on May 17, 2006. Check the license (Indiana 01049093A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Changjian Chen
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 01049093A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3505 S Reed RD, Kokomo, IN 46902
- Phone
- (765) 776-5500
- Enumerated
- May 17, 2006
- Record last updated
- Aug 30, 2024
- Medicaid ID
- 200243420 IN
- Medicare enrollment
- Enrolled (PECOS I20090108000607); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 372 in Indiana → Look up another NPI →
Also registered at 3505 S Reed RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Buckmaster, N.P.Adult Health Nurse Practitioner1609043827
- Kausalya Chandrasekhar, MDSpecialist1043210214
- Richard Hehner, MDLegal Medicine1144220302
- Michelle Killian, AGACNPInternal Medicine Physician1588270615
- Mary MammenFamily Nurse Practitioner1134615834
- Julie Tredemeyer, DOGastroenterology Physician1073542940
Verify Changjian Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01049093ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,613 Medicare Part D claims for 650 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Famotidine335 claims
- Omeprazole290 claims
- Linzess266 claims
- Colestipol Hcl240 claims
- Pantoprazole Sodium136 claims
- Lubiprostone133 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: $231.58
10 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Community Physicians OF Indiana IncKokomo, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Changjian Chen among 372 gastroenterology physician records in Indiana
Changjian Chen, MD is one of 372 gastroenterology physician records with a practice address in Indiana. 84% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 47% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1982 · median 2001 among the 272 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Indiana
There are 372 gastroenterology physician records in Indiana.
All 372 in Indiana → Every provider in Kokomo → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Julie Tredemeyer, DOKokomo, IN 469021073542940
- Mohamed Zitun, MDKokomo, IN 469021184146367
- Daniel Barrido, MDMarion, IN 469521154338564
- Efesomwan Aisien, M.D.Fort Wayne, IN 468451972867661
- Kaely Bade, M.D.Fort Wayne, IN 468451689933103
- Bhagwant Borkar, M.D.Fort Wayne, IN 468451861691875
- Haitam Buaisha, MDFort Wayne, IN 468451558770743
- Dominic Colella, DOFort Wayne, IN 468451932530680
Common questions
What is Changjian Chen, MD's NPI number?
Changjian Chen, MD's National Provider Identifier (NPI) is 1649223272, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Changjian Chen, MD located?
The NPPES record lists a practice address at 3505 S Reed RD, Kokomo, IN, 46902. Phone: (765) 776-5500. Providers update this record themselves, so call before visiting.
How can I verify Changjian Chen, MD's license?
NPPES lists Indiana license number 01049093A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Changjian Chen, MD prescribe under Medicare Part D?
In 2024, Changjian Chen, MD had 2,613 Medicare Part D claims for 650 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.