KEYSTONE MEDICAL SERVICES OF MS, INC
NPI 1174691059
Emergency Medicine in Hazlehurst, MS
About Keystone Medical Services Of Ms, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEYSTONE MEDICAL SERVICES OF MS, INC (NPI 1174691059), doing business as Keystone Medical Services Of Mississippi, Pa, is a healthcare organization registered as an emergency medicine in Hazlehurst, Mississippi and active in the NPI registry since December 2006. The organization lists Glenn Adams, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 4
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Keystone Medical Services Of Ms, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
159Medicare enrollment records show 159 clinicians reassign Medicare billing to Keystone Medical Services Of Ms, Inc, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 11
Nearest to this location (20)
See all 159Jackson, MS 39204
Ridgeland, MS 39157
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Keystone Medical Services Of Ms, Inc's NPI number?
The NPI number for Keystone Medical Services Of Ms, Inc is 1174691059. It was assigned to this organization in the NPPES registry on December 1, 2006. The provider was formerly known as Keystone Medical Services Of Mississippi, PA.
Where is Keystone Medical Services Of Ms, Inc located?
Keystone Medical Services Of Ms, Inc is located at 233 Magnolia St, Hazlehurst, MS 39083. The listed phone number is (601) 894-4541.
What is Keystone Medical Services Of Ms, Inc's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Keystone Medical Services Of Ms, Inc enrolled in Medicare?
Yes. Keystone Medical Services Of Ms, Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Keystone Medical Services Of Ms, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 159 clinicians in 11 Medicare specialties reassign their Medicare billing to Keystone Medical Services Of Ms, Inc. A 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 the clinician's services. The largest specialties are Emergency Medicine (73), Nurse Practitioner (39) and Family Practice (28). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Keystone Medical Services Of Ms, Inc accept?
Health plans from Molina Healthcare list Keystone Medical Services Of Ms, Inc 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 Keystone Medical Services Of Ms, Inc was last updated on June 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Keystone Medical Services Of Ms, Inc · NPI 1174691059
Emergency Medicine organization in Hazlehurst, Mississippi. Organization record, active in the CMS NPPES registry since December 1, 2006.
## Identity
- **NPI:** 1174691059 (Entity type: Organization)
- **Enumerated:** December 1, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Organization subpart:** No
- **Authorized official:** Glenn Adams, PRESIDENT
## Practice location
- **Address:** 233 MAGNOLIA ST, Hazlehurst, MS 39083-2228
- **Phone:** (601) 894-4541
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 159 clinicians in 11 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (73), Nurse Practitioner (39), Family Practice (28); 2 practice within 10 miles; [full list](https://npiprofile.com/npi/1174691059/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 21, 2018
- **Other identifiers:** Other 1451096 (LA); Other 09100893 (MS); Other C04505 (MS); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1174691059) · Data from the CMS NPPES public registry.