MARILYN C KEEN PA-C
NPI 1902127491
Physician Assistant in Columbia, SC
About Marilyn C Keen Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARILYN C KEEN PA-C (NPI 1902127491) is an individual physician assistant in Columbia, South Carolina, licensed in South Carolina (3188) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Nebraska College Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marilyn C Keen Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29207 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
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 Marilyn Keen's NPI number?
The NPI number for Marilyn Keen is 1902127491. It was assigned to this individual provider in the NPPES registry on June 18, 2010. The provider is also known as Marilyn C Cowles Pa-C.
Where is Marilyn Keen located?
Marilyn Keen practices at 4500 8th Division Rd, Columbia, SC 29207. The listed phone number is (803) 751-0531.
What is Marilyn Keen's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Marilyn Keen enrolled in Medicare?
Yes. Marilyn Keen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Marilyn Keen accept?
Health plans from BlueCross BlueShield of South Carolina, Molina Healthcare and UnitedHealthcare list Marilyn Keen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Marilyn Keen was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Marilyn C Keen, PA-C · NPI 1902127491
Physician Assistant physician in Columbia, South Carolina. Individual provider, active in the CMS NPPES registry since June 18, 2010.
## Identity
- **NPI:** 1902127491 (Entity type: Individual)
- **Enumerated:** June 18, 2010
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** 3188 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 4500 8TH DIVISION RD, Columbia, SC 29207-5700
- **Phone:** (803) 751-0531
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** University Of Nebraska College Of Medicine, class of 2010
## Record status
- **NPPES last updated:** July 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1902127491) · Data from the CMS NPPES public registry.