CHARLES MICHAEL KNUDSON (MD) – Blood Banking & Transfusion Medicine Physician, NPI 1144218926
Blood Banking & Transfusion Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
190 PATHOLOGY in IA
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Provider Addresses for CHARLES MICHAEL KNUDSON (MD)
University of Iowa Stead Family Children’s Hospital, 200, Hawkins Drive, Iowa City, Johnson County, Iowa, 52242, United States
IOWA CITY, IA 522421009
Phone: (319) 335-8147
Fax: (319) 335-8453
Type: Mailing
500 E Market St
Iowa City, IA 522452633
Phone: (319) 339-3551
Fax: (319) 248-7945
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $4,844.
Total Amount is formed as General ($4,844) + Research ($0) + Ownership ($0) = $4,844.
Last reported payment date: 2024-05-07 • Largest payer in this snapshot: Terumo BCT, Inc. ($4,510).
Total Amount
$4,844
General + Research + Ownership
Payments
4
Total payment records
General Amount
$4,844
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Terumo BCT, Inc. | $4,510 |
| GENZYME CORPORATION | $334 |
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: 2010-06-02
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 |
|---|---|---|---|---|
| I20100602000847 | I | Pathology | IA | 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 |
|---|---|---|---|---|
| 86079 | Blood bank physician services with written report | 57 | 56 | $0 |
| 86077 | Blood bank physician services for cross match and/or evaluation and written report | 37 | 35 | $0 |
| 38206 | Collection of stem cells for transplantation | 14 | 13 | $0 |
Insurance plans in this area (ZIP 52242)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IA | |
| - | IA | |
| - | IA | |
| - | CA | |
| O P H T H A L M O L O G Y | IA | |
| - | IA | |
| - | IA | |
| - | IA | |
| - | CA | |
| - | IA |
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