NPPES file of Aug 9, 2026

Robert P. Chen, MD

Internal Medicine Physician · Saint John, IN

Robert P. Chen, MD is an internal medicine physician with a practice address in Saint John, Indiana, and NPI 1255335816, issued on Jun 10, 2005. Check the license (Indiana 01048722A, as entered in NPPES) on the Medical Licensing Board of Indiana; 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
1255335816
Name
Robert P. Chen
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
01048722A IN
Self-reported in NPPES; status is on the state search
Practice location
9660 Wicker Ave, Saint John, IN 46373
Phone
(219) 365-1166
Enumerated
Jun 10, 2005
Record last updated
May 17, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(219) 226-2212
Medicaid ID
200196410A IN
Medicare enrollment
Enrolled (PECOS I20040202000132); accepts Medicare assignment
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 9660 Wicker Ave

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

  1. Barbara Diakos, MDObstetrics & Gynecology Physician1912934423
  2. Irene Dmitruk, DOEmergency Medicine Physician1861703399
  3. Alicia Fowler, NP-CFamily Nurse Practitioner1093284838
  4. Diana GiordanoFamily Nurse Practitioner1477113181
  5. Ganapathi Gottumukkala, M.D.Family Medicine Physician1780683953
  6. Nadim Hafez, MDEmergency Medicine Physician1518164284

Verify Robert P. Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01048722A
    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 Indiana license search

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

11,497 Medicare Part D claims for 779 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 272 claims were for opioids.

  1. Robert Chen11,497
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium907 claims
  2. Amlodipine Besylate527 claims
  3. Levothyroxine Sodium500 claims
  4. Alprazolam278 claims
  5. Lisinopril277 claims
  6. Rosuvastatin Calcium276 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: $68.43

3 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, 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. Robert Chen$68.43
  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.

Bills Medicare through one group practice

  1. Community Care Network IncSaint John, IN

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

2 internal medicine physician records list a practice address in Saint John

They are 2 of the 158 NPPES records with a practice address in Saint John, and 2,109 internal medicine physician records in Indiana.

Other internal medicine physician records in Indiana

  1. Hayder Abbood, MDIndianapolis, IN1922448141
  2. Simon Abdallah, MDRichmond, IN1952798928
  3. Ahmed Abdel Rahman, MDIndianapolis, IN1427288604
  4. Eiman AbdelrahmanIndianapolis, IN1306861109
  5. Nabil AbdoMunster, IN1629226089
  6. Almaz Abdyrakov, M.D.Hammond, IN1407102338
  7. Audrey Abell, M.D.Plainfield, IN1457346579
  8. Linda Abels, MDCarmel, IN1396718292
  9. Ruth Abramovitz, MDWest Lafayette, IN1649248915
  10. Rona Abu Manneh, M.D.Fishers, IN1548432511

Common questions

What is Robert P. Chen, MD's NPI number?

Robert P. Chen, MD's National Provider Identifier (NPI) is 1255335816, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert P. Chen, MD located?

The NPPES record lists a practice address at 9660 Wicker Ave, Saint John, IN, 46373. Phone: (219) 365-1166. Providers update this record themselves, so call before visiting.

How can I verify Robert P. Chen, MD's license?

NPPES lists Indiana license number 01048722A, 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 Robert P. Chen, MD prescribe under Medicare Part D?

In 2024, Robert P. Chen, MD had 11,497 Medicare Part D claims for 779 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.