DR. PEGGY WANNER-BARJENBRUCH (MD) – Internal Medicine Physician, NPI 1326023185
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
4,186 INTERNAL MEDICINE in MO
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Provider Addresses for DR. PEGGY WANNER-BARJENBRUCH (MD)
600, Medical Park Drive, Mexico, Audrain County, Missouri, 65265, United States
MEXICO, MO 652653724
Phone: (573) 581-1040
Fax: (573) 581-5397
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 22 Open Payments records for all available years, with a total value of $358.
Total Amount is formed as General ($358) + Research ($0) + Ownership ($0) = $358.
Last reported payment date: 2024-10-21 • Largest payer in this snapshot: Amgen Inc. ($65).
Total Amount
$358
General + Research + Ownership
Payments
22
Total payment records
General Amount
$358
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-21
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2010-03-05
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 |
|---|---|---|---|---|
| I20100305000085 | I | Internal Medicine | MO | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 944 | 395 | $0 |
| 99310 | Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 254 | 45 | $0 |
| G0438 | Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 238 | 238 | $0 |
| 82962 | Blood glucose (sugar) test performed by hand-held instrument | 228 | 191 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 153 | 132 | $0 |
Insurance plans in this area (ZIP 65265)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | MO | |
| Internal Medicine, Sleep Medicine | MO | |
| Internal Medicine, Allergy/Immunology | MO | |
| Internal Medicine | MO | |
| Geriatric Medicine | MO | |
| Internal Medicine | MO | |
| Osteopathic Manipulative Medicine | MO | |
| Orthopedic Surgery | MO | |
| Internal Medicine, Pediatric Medicine | MO | |
| - | MO |
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