Michael Adolph Oltmann, MD
Internal Medicine Physician · Stuttgart, AR
Michael Adolph Oltmann, MD is an internal medicine physician with a practice address in Stuttgart, Arkansas, and NPI 1871676403, issued on Oct 24, 2006. Check the license (Arkansas E6212, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael Adolph Oltmann
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- E6212 AR
LL28005 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1609 N Medical Dr, Stuttgart, AR 72160
- Phone
- (870) 673-7211
- Enumerated
- Oct 24, 2006
- Record last updated
- May 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (870) 672-6823
- Medicaid IDs
- 100907002 AR
201481729 AR
2010478729 AR
129735729 AR - Medicare enrollment
- Enrolled (PECOS I20110328000404); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 768 in Arkansas → Look up another NPI →
Also registered at 1609 N Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paula Hooks, A.P.N.Nurse Practitioner1922188226
- Marion Hord, M.D.Family Medicine Physician1235194481
- Seth Kleinbeck, M.D.Family Medicine Physician1912962143
Verify Michael Adolph Oltmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E6212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,827 Medicare Part D claims for 546 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. 151 claims were for opioids.
Most prescribed
- Atorvastatin Calcium506 claims
- Amlodipine Besylate391 claims
- Gabapentin260 claims
- Lisinopril234 claims
- Losartan Potassium233 claims
- Omeprazole191 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: $149.09
8 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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.
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
- Stuttgart Medical Clinic, LtdStuttgart, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Adolph Oltmann among 768 internal medicine physician records in Arkansas
Michael Adolph Oltmann, MD is one of 768 internal medicine physician records with a practice address in Arkansas. 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 8% of them.
- NPI issued2006 · 8% of these records are older, 61% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2005 · median 2010 among the 519 with a school on file
- Record last updated2014 · 50% 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 Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Arkansas
There are 768 internal medicine physician records in Arkansas.
All 768 in Arkansas → Every provider in Stuttgart → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gina McNew, M.D.Vilonia, AR 721731306060561
- Blake Alwardt, DOSearcy, AR 721431578142055
- Justin Casper, DOSearcy, AR 721431609372242
- Seth ColemanSearcy, AR 721431417290644
- Wesley Cunningham, D.O.Searcy, AR 721431366821456
- Ziad Ghneim, DOSearcy, AR 721431942689724
- Lindsay Hermecz, DOSearcy, AR 721431144753203
- Omair Javaid, DOSearcy, AR 721431396447256
Common questions
What is Michael Adolph Oltmann, MD's NPI number?
Michael Adolph Oltmann, MD's National Provider Identifier (NPI) is 1871676403, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Adolph Oltmann, MD located?
The NPPES record lists a practice address at 1609 N Medical Dr, Stuttgart, AR, 72160. Phone: (870) 673-7211. Providers update this record themselves, so call before visiting.
How can I verify Michael Adolph Oltmann, MD's license?
NPPES lists Arkansas license number E6212, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Adolph Oltmann, MD prescribe under Medicare Part D?
In 2024, Michael Adolph Oltmann, MD had 7,827 Medicare Part D claims for 546 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.