MARC D. KNUDSEN (D.O.) – Emergency Medicine Physician, NPI 1235125683
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MARC D. KNUDSEN (D.O.)
5300, North Independence Avenue, Oklahoma City, Oklahoma County, Oklahoma, 73112, United States
SUITE 280
OKLAHOMA CITY, OK 731125556
Phone: (405) 951-2541
Fax: (405) 951-2237
Type: Mailing
INTEGRIS Baptist Medical Center, 3300, Northwest Expressway, Oklahoma City, Oklahoma County, Oklahoma, 73112, United States
OKLAHOMA CITY, OK 731124418
Phone: (405) 951-2541
Fax: (405) 951-2237
Type: Location
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: 2004-07-19
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 |
|---|---|---|---|---|
| I20040719000007 | I | Emergency Medicine | OK | 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 |
|---|---|---|---|---|
| K1034 | Provision of covid-19 test, nonprescription self-administered and self-collected use, fda approved, authorized or cleared, one test count | 2,424 | 303 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 2,266 | 2,260 | $0 |
| 99441 | Telephone medical discussion with physician, 5-10 minutes | 1,553 | 1,520 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 651 | 600 | $0 |
Insurance plans in this area (ZIP 73112)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | OK | |
| Nurse Practitioner | OK | |
| Emergency Medicine | OK | |
| Physician Assistant | CA | |
| Emergency Medicine | OK | |
| Emergency Medicine, Family Practice | OK | |
| Emergency Medicine | OK | |
| Emergency Medicine | OK | |
| Emergency Medicine | OK | |
| Emergency Medicine | OK |
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