Alexander A. Stemer, MD
Infectious Disease Physician · Munster, IN
Alexander A. Stemer, MD is an infectious disease physician with a practice address in Munster, Indiana, and NPI 1861451429, issued on Mar 22, 2006. Check the license (Indiana 01025591, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Alexander A. Stemer
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 01025591 IN
Self-reported in NPPES; status is on the state search - Practice location
- 10110 Don S Powers Drive, Munster, IN 46321
- Phone
- (219) 922-3002
- Enumerated
- Mar 22, 2006
- Record last updated
- Apr 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (219) 922-3003
- Medicare enrollment
- Enrolled (PECOS I20100311000974); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 162 in Indiana → Look up another NPI →
Verify Alexander A. Stemer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01025591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16.5 times the Medicare Part D claims of the average infectious disease physician in 2024
11,365 Medicare Part D claims for 361 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium583 claims
- Amlodipine Besylate485 claims
- Furosemide483 claims
- Pantoprazole Sodium408 claims
- Levothyroxine Sodium393 claims
- Tamsulosin Hcl365 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: $31.00
1 payment: food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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
- Advanced Care Medical Specialists PCDyer, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander A. Stemer among 162 infectious disease physician records in Indiana
Alexander A. Stemer, MD is one of 162 infectious disease 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 10% of them.
- NPI issued2006 · 10% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1973 · median 2002 among the 122 with a school on file
- Record last updated2021 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Indiana
There are 162 infectious disease physician records in Indiana.
All 162 in Indiana → Every provider in Munster → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Henry Andoh, M.DMunster, IN 463211578637245
- Indu Chalana, M.D.Munster, IN 463211992061584
- Erica Kaufman West, M.D.Munster, IN 463211619075785
- An Park, M.D.Munster, IN 463211992025563
- Syeda QuadriMunster, IN 463211578839627
- Ricardo Quezada, M.D.Munster, IN 463211053502435
- Dylan Slotar, MDMunster, IN 463211154429074
- Kinan Attassi, MDHighland, IN 463221255428157
Common questions
What is Alexander A. Stemer, MD's NPI number?
Alexander A. Stemer, MD's National Provider Identifier (NPI) is 1861451429, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alexander A. Stemer, MD located?
The NPPES record lists a practice address at 10110 Don S Powers Drive, Munster, IN, 46321. Phone: (219) 922-3002. Providers update this record themselves, so call before visiting.
How can I verify Alexander A. Stemer, MD's license?
NPPES lists Indiana license number 01025591, 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 A. Stemer, MD prescribe under Medicare Part D?
In 2024, Alexander A. Stemer, MD had 11,365 Medicare Part D claims for 361 beneficiaries; the average among infectious disease physician prescribers was 689. 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.