MICHAEL ADOLPH OLTMANN MD
NPI 1871676403
Internal Medicine in Stuttgart, AR
About Michael Adolph Oltmann Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL ADOLPH OLTMANN MD (NPI 1871676403) is an individual internal medicine provider in Stuttgart, Arkansas, licensed in South Carolina (LL28005) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arkansas College Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 19
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Michael Adolph Oltmann Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Michael Oltmann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stuttgart, AR 72160
- Reassigned Medicare billing, Arkansas enrollment
- 13 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72160 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Oltmann's NPI number?
The NPI number for Michael Oltmann is 1871676403. It was assigned to this individual provider in the NPPES registry on October 24, 2006.
Where is Michael Oltmann located?
Michael Oltmann practices at 1609 N Medical Dr, Stuttgart, AR 72160. The listed phone number is (870) 673-7211.
What is Michael Oltmann's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael Oltmann enrolled in Medicare?
Yes. Michael Oltmann is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Michael Oltmann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Oltmann reassigns Medicare benefits to Stuttgart Medical Clinic, Ltd (Stuttgart, AR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Oltmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Oltmann accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Michael Oltmann as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Michael Oltmann was last updated on May 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Michael Adolph Oltmann, MD · NPI 1871676403
Internal Medicine physician in Stuttgart, Arkansas. Individual provider, active in the CMS NPPES registry since October 24, 2006.
## Identity
- **NPI:** 1871676403 (Entity type: Individual)
- **Enumerated:** October 24, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** LL28005 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 1609 N MEDICAL DR, Stuttgart, AR 72160-3274
- **Phone:** (870) 673-7211 · **Fax:** (870) 672-6823
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Stuttgart Medical Clinic, Ltd (NPI 1861518698, Stuttgart, AR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arkansas College Of Medicine, class of 2005
## Record status
- **NPPES last updated:** May 13, 2014
- **Other identifiers:** Medicaid 2010478729 (AR); Medicare PIN 8580 (SC); Medicare OSCAR/certification 043480 (AR); and 16 more
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Source: [NPI Profile](https://npiprofile.com/npi/1871676403) · Data from the CMS NPPES public registry.