MICHAEL ADOLPH OLTMANN (MD) – Internal Medicine Physician, NPI 1871676403
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,274 INTERNAL MEDICINE in AR
Provider Addresses for MICHAEL ADOLPH OLTMANN (MD)
Stuttgart Post Office, West Erie Street, Stuttgart, Arkansas County, Arkansas, 72160, United States
STUTTGART, AR 721601901
Phone: (870) 673-7211
Fax: (870) 672-6823
Type: Mailing
1609 N MEDICAL DR
STUTTGART, AR 721603274
Phone: (870) 673-7211
Fax: (870) 672-6823
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 19 Open Payments records for all available years, with a total value of $334.
Total Amount is formed as General ($334) + Research ($0) + Ownership ($0) = $334.
Last reported payment date: 2024-10-03 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($61).
Total Amount
$334
General + Research + Ownership
Payments
19
Total payment records
General Amount
$334
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $61 |
| Amgen Inc. | $39 |
| GlaxoSmithKline, LLC. | $35 |
| Dexcom, Inc. | $35 |
| PFIZER INC. | $35 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-03-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110328000404 | I | Internal Medicine | AR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 72160)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | AR | |
| Internal Medicine, Pediatric Medicine | AR | |
| Family Practice | AR | |
| Family Practice | AR | |
| Emergency Medicine, Family Practice | AR | |
| Family Practice, Emergency Medicine | AR |
Reviews
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