BURT HUMBURG (MD) – Internal Medicine Physician, NPI 1013134469
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,353 INTERNAL MEDICINE in IA
Provider Addresses for BURT HUMBURG (MD)
1000 4TH ST SW
MASON CITY, IA 504012800
Phone: (641) 428-7000
Fax: (641) 428-6383
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)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2024-12-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20181030002583 | I | Internal Medicine | MO | TBD |
| I20241218003481 | I | Internal Medicine | MI | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 351 | 333 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 50401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice, Hospitalist | MO | |
| Physician Assistant | MO | |
| Internal Medicine | MO | |
| Nephrology, Internal Medicine, Nephrology | MO | |
| Hospitalist, Internal Medicine, Hospitalist | SC | |
| Internal Medicine, Hospitalist, Internal Medicine | VA | |
| Internal Medicine | MO | |
| H O S P I T A L I S T | MO | |
| Nurse Practitioner | MO | |
| Hospitalist, Internal Medicine, Internal Medicine, Emergency Medicine | NY |
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