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MARC D. KNUDSEN D.O.
NPI 1235125683
Emergency Medicine in Oklahoma City, OK

Active since September 21, 2005PECOS Enrolled
0/100
CMS Quality Rating
3300 NW EXPRESSWAY, OKLAHOMA CITY, OK 73112(405) 951-2541(405) 951-2237 Get Directions Write a Review

NPPES record last updated: April 9, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Marc D. Knudsen D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARC D. KNUDSEN D.O. (NPI 1235125683) is an individual emergency medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (3859) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235125683
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMARC D. KNUDSENCredential: D.O.
Location Address3300 NW EXPRESSWAYOklahoma City, OK 73112-4418
Mailing Address5300 N Independence Ave, Suite 280Oklahoma City, OK 73112-5556 · (405) 951-2541 · Fax (405) 951-2237
Phone(405) 951-2541
Fax(405) 951-2237
Sole ProprietorNo
Enumeration DateSeptember 21, 2005
Last NPPES UpdateApril 9, 2021
NPPES CertifiedApril 9, 2021
✔ NPI 1235125683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in OK · 3859
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
3300 NW EXPRESSWAY, Oklahoma City, OK 73112
Open in Google Maps ↗

Other Identifiers 1

Medicaid100259600AOK

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marc D. Knudsen D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
119 services119 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
48 services48 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MOLLY LYNN COLVARD DNP
Nurse Practitioner (Acute Care)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Oklahoma County (918) 698-4318
NORTHWEST ANESTHESIA PC
Anesthesiology
3300 NW EXPRESSWAY, 2ND FLOOR, DEPARTMENT OF ANESTHESIOLOGY
OKLAHOMA CITY, OK 73112
Oklahoma County (405) 951-2815
MRS. SARAH E HART PA-C
Physician Assistant
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Oklahoma County (405) 949-3349
ANGELA M SCHRAG ARNP
Nurse Practitioner (Neonatal)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Oklahoma County (405) 949-3393
MICHAEL LOUIS BRUCE
Physical Therapy Assistant
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Oklahoma County (405) 636-7087
MEGAN V MCFARLAND APRN
Nurse Practitioner (Pediatrics, Critical Care)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Oklahoma County (405) 949-4100
MYKENZIE RYAN MORRISON BSN-RN
Registered Nurse (Emergency)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Oklahoma County (405) 949-3011
JADE ELAINE HOGAN
Registered Nurse
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Oklahoma County (530) 440-4187

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marc Knudsen's NPI number?

The NPI number for Marc Knudsen is 1235125683. It was assigned to this individual provider in the NPPES registry on September 21, 2005.

Where is Marc Knudsen located?

Marc Knudsen practices at 3300 NW Expressway, Oklahoma City, OK 73112. The listed phone number is (405) 951-2541.

What is Marc Knudsen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Marc Knudsen enrolled in Medicare?

Yes. Marc Knudsen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marc Knudsen was last updated on April 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.