Provider Profile
Marilyn C. Keen, PA-C
Unclaimed ProfileAbout Marilyn Keen
Marilyn C. Keen, PA-C is a physician assistant practicing in Columbia, SC. Marilyn trained at University of Nebraska College of Medicine, graduating in 2010. Marilyn is also listed as specializing in physician assistant — surgical. Medicare claims data shows Marilyn provided 38 services to 31 patients. The services billed most often include subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (803) 751-0531
- Email not available
Practice Locations
4500 8TH DIVISION RD
Columbia, SC 29207
146 E Hospital Dr Ste 400
West Columbia, SC 29169
146 E Hospital Dr Ste 200
West Columbia, SC 29169
Procedures Most Often Billed to Medicare
38 services · 31 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
26 | As often as other peers in Physician Assistant |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
12 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other physician assistants in Columbia 8
Same specialty, same city.
Trained at University of Nebraska College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at University of Nebraska College of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Marilyn C. Keen's specialty?
Marilyn C. Keen is a physician assistant in Columbia, SC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Marilyn C. Keen?
Marilyn C. Keen is listed at 4500 8Th Division Rd, Columbia, SC 29207. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Marilyn C. Keen?
The number on file is (803) 751-0531. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Marilyn C. Keen?
Marilyn C. Keen's National Provider Identifier is 1902127491. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Marilyn C. Keen's education?
Marilyn C. Keen attended University of Nebraska College of Medicine, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marilyn C. Keen have?
Marilyn C. Keen has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What is Marilyn C. Keen known for?
According to Medicare billing data, Marilyn C. Keen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marilyn C. Keen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marilyn C. Keen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.