M SHANE JENNINGS M.D.
NPI 1639316797
Emergency Medicine in Little Rock, AR
About M Shane Jennings M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
M SHANE JENNINGS M.D. (NPI 1639316797) is an individual emergency medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-16517) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
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
M Shane Jennings M.d. 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
4Medicare enrollment records show M Jennings reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 2,038 clinicians in this Medicare group
Tyler, TX 75701
- Reassigned Medicare billing, Texas enrollment
- 5,299 clinicians in this Medicare group
Boerne, TX 78015
- Reassigned Medicare billing, Texas enrollment
- 2,397 clinicians in this Medicare group
Syracuse, NY 13210
- Reassigned Medicare billing, New York enrollment
- 170 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72205 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.
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
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 M Jennings's NPI number?
The NPI number for M Jennings is 1639316797. It was assigned to this individual provider in the NPPES registry on January 12, 2009. The provider is also known as Michael Shane Jennings MD.
Where is M Jennings located?
M Jennings practices at 4301 W Markham St # 584, Little Rock, AR 72205. The listed phone number is (501) 686-8000.
What is M Jennings's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is M Jennings enrolled in Medicare?
Yes. M Jennings 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 M Jennings's services?
According to the CMS Revalidation Reassignment List (October 2026 release), M Jennings reassigns Medicare benefits to 4 organizations: University Of Arkansas For Medical Sciences (Little Rock, AR), The University Of Texas Southwestern Medical Center At Dallas (Tyler, TX), University Of Texas Health Science Center At San Antonio (Boerne, TX) and Upstate Emergency Medicine, Inc (Syracuse, NY). 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 M Jennings's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does M Jennings accept?
Health plans from Blue Cross and Blue Shield of Texas list M Jennings 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 M Jennings was last updated on October 7, 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.
# M Shane Jennings, M.D. · NPI 1639316797
Emergency Medicine physician in Little Rock, Arkansas. Individual provider, active in the CMS NPPES registry since January 12, 2009.
## Identity
- **NPI:** 1639316797 (Entity type: Individual)
- **Enumerated:** January 12, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** E-16517 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4301 W MARKHAM ST # 584, Little Rock, AR 72205-7199
- **Phone:** (501) 686-8000 · **Fax:** (501) 526-5148
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Of Arkansas For Medical Sciences (NPI 1043372220, Little Rock, AR); The University Of Texas Southwestern Medical Center At Dallas (NPI 1417099599, Tyler, TX); University Of Texas Health Science Center At San Antonio (NPI 1417921834, Boerne, TX); Upstate Emergency Medicine, Inc (NPI 1275589582, Syracuse, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** October 7, 2024
- **Other identifiers:** Medicaid 371627601 (TX); Medicaid 03486688 (NY); Other 371627602 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1639316797) · Data from the CMS NPPES public registry.