KAREN A CLARK MD
NPI 1174593727
Internal Medicine - Cardiovascular Disease in Reno, NV
About Karen A Clark Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN A CLARK MD (NPI 1174593727) is an individual cardiovascular disease provider in Reno, Nevada, licensed in Oklahoma (21088) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Ada, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Karen A Clark Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Karen Clark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73120
- Reassigned Medicare billing, Oklahoma enrollment
- 975 clinicians in this Medicare group
Poteau, OK 74953
- Reassigned Medicare billing, Oklahoma enrollment
- 26 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Ada
Acute Care Hospitals · Ada, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89511 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.
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 Karen Clark's NPI number?
The NPI number for Karen Clark is 1174593727. It was assigned to this individual provider in the NPPES registry on January 25, 2006.
Where is Karen Clark located?
Karen Clark practices at 3330 Joy Lake Rd, Reno, NV 89511. The listed phone number is (775) 223-1775.
What is Karen Clark's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Karen Clark enrolled in Medicare?
Yes. Karen Clark 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.
Which organizations bill Medicare for Karen Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Clark reassigns Medicare benefits to 2 organizations: Mercy Clinic Oklahoma Communities (Oklahoma City, OK) and Leflore County Hospital Authority (Poteau, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Clark accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare, Mending Health and UnitedHealthcare list Karen Clark 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.
Is Karen Clark affiliated with any hospitals?
According to CMS data, Karen Clark is affiliated with Mercy Hospital Ada.
When was this NPI record last updated?
The NPPES record for Karen Clark was last updated on June 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Karen A Clark, MD · NPI 1174593727
Cardiovascular Disease physician in Reno, Nevada. Individual provider, active in the CMS NPPES registry since January 25, 2006.
## Identity
- **NPI:** 1174593727 (Entity type: Individual)
- **Enumerated:** January 25, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 21088 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 3330 JOY LAKE RD, Reno, NV 89511-8789
- **Phone:** (775) 223-1775
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic Oklahoma Communities (NPI 1386874550, Oklahoma City, OK); Leflore County Hospital Authority (NPI 1578026571, Poteau, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 1996
## Record status
- **NPPES last updated:** June 28, 2024
- **Other identifiers:** Medicaid 100102100A (OK)
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Source: [NPI Profile](https://npiprofile.com/npi/1174593727) · Data from the CMS NPPES public registry.