NPPES file of Aug 9, 2026

Alexander C. Gatzimos, M.D.,JD

Internal Medicine Physician · Mishawaka, IN

Alexander C. Gatzimos, M.D.,JD is an internal medicine physician with a practice address in Mishawaka, Indiana, and NPI 1548476120, issued on May 14, 2007. Check the license (Indiana 01036818A, 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
1548476120
Name
Alexander C. Gatzimos
Credential
M.D.,JD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
01036818A IN
Self-reported in NPPES; status is on the state search
Practice location
212 West Edison Road, Mishawaka, IN 46545
Phone
(574) 222-2359
Enumerated
May 14, 2007
Record last updated
Jul 25, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(574) 222-2365
Medicaid ID
100063840B IN
Medicare enrollment
Enrolled (PECOS I20040811000363); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1986
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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Verify Alexander C. Gatzimos 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 01036818A
    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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5.3 times the Medicare Part D claims of the average internal medicine physician in 2024

16,828 Medicare Part D claims for 211 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. 1,136 claims were for opioids.

  1. Alexander Gatzimos16,828
  2. Specialty average3,176

Most prescribed

  1. Duloxetine Hcl587 claims
  2. Ezetimibe540 claims
  3. Rosuvastatin Calcium508 claims
  4. Meloxicam484 claims
  5. Pantoprazole Sodium478 claims
  6. Albuterol Sulfate Hfa453 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: $3,578.81

157 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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. Alexander Gatzimos$3,578.81
  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.

Alexander C. Gatzimos among 2,109 internal medicine physician records in Indiana

Alexander C. Gatzimos, M.D.,JD is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 48% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1986 · median 2005 among the 1,448 with a school on file
  • Record last updated2016 · 43% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 internal medicine physician records list a practice address in Mishawaka

They are 18 of the 1,454 NPPES records with a practice address in Mishawaka, and 2,109 internal medicine physician records in Indiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Motasem Afyouni, M.D.Mishawaka, IN 465451306011606
  2. Dahan Al-Fadhl, M.D.Mishawaka, IN 465451740235183
  3. John Decelles, M.D.Mishawaka, IN 465451841238490
  4. Taegee Kiehm, M.D.Mishawaka, IN 465451780671883
  5. Alakananda Kulkarni, M.DMishawaka, IN 465451538255609
  6. Elizabeth Lauber, M.D.Mishawaka, IN 465451053308551
  7. Mark McGillem, M.D.Mishawaka, IN 465451700877339
  8. Sonal Mittal, MDMishawaka, IN 465451649409335

Common questions

What is Alexander C. Gatzimos, M.D.,JD's NPI number?

Alexander C. Gatzimos, M.D.,JD's National Provider Identifier (NPI) is 1548476120, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Alexander C. Gatzimos, M.D.,JD located?

The NPPES record lists a practice address at 212 West Edison Road, Mishawaka, IN, 46545. Phone: (574) 222-2359. Providers update this record themselves, so call before visiting.

How can I verify Alexander C. Gatzimos, M.D.,JD's license?

NPPES lists Indiana license number 01036818A, 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 Alexander C. Gatzimos, M.D.,JD prescribe under Medicare Part D?

In 2024, Alexander C. Gatzimos, M.D.,JD had 16,828 Medicare Part D claims for 211 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.