MATTHEW STALKER M.D.
NPI 1669490090
Radiology - Diagnostic Radiology in San Antonio, TX
About Matthew Stalker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW STALKER M.D. (NPI 1669490090) is an individual diagnostic radiology provider in San Antonio, Texas, licensed in Texas (M4564) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and is a graduate of Creighton University School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
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
Matthew Stalker 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
14Medicare enrollment records show Matthew Stalker reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dickson, TN 37055
- Reassigned Medicare billing, Illinois enrollment
- 6 clinicians in this Medicare group
Franklin, TN 37067
- Reassigned Medicare billing, Illinois enrollment
- 9 clinicians in this Medicare group
Hannibal, MO 63401
- Reassigned Medicare billing, Missouri and Illinois enrollments
- Also billed through NPI 1114471737 (Illinois)
- 192 clinicians in this Medicare group
Mount Vernon, IL 62864
- Reassigned Medicare billing, Illinois enrollment
- 284 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Illinois enrollment
- 20 clinicians in this Medicare group
Centralia, IL 62801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: St Marys Hospital Centralia Illinois
- 392 clinicians in this Medicare group
Scottsdale, AZ 85251
- Reassigned Medicare billing, Illinois enrollment
- 35 clinicians in this Medicare group
Flora, IL 62839
- Reassigned Medicare billing, Illinois enrollment
- 65 clinicians in this Medicare group
Newton, IL 62448
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1265493720 (Illinois)
- 145 clinicians in this Medicare group
Indianapolis, IN 46260
- Reassigned Medicare billing, Illinois enrollment
- 83 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Mary's Hospital -Centralia
Acute Care Hospitals · Centralia, ILGood Samaritan Regional Hlth Center
Acute Care Hospitals · Mount Vernon, ILHeartland Regional Medical Center
Acute Care Hospitals · Marion, ILFerrell Hospital Community Foundations
Critical Access Hospitals · Eldorado, ILWabash General Hospital 1
Critical Access Hospitals · Mount Carmel, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78215 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.
Reported Quality Measures
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.
SAN ANTONIO, TX 78215
SAN ANTONIO, TX 78215
SAN ANTONIO, TX 78215
SAN ANTONIO, TX 78215
SAN ANTONIO, TX 78215
SAN ANTONIO, TX 78215
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 Matthew Stalker's NPI number?
The NPI number for Matthew Stalker is 1669490090. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Matthew Stalker located?
Matthew Stalker practices at 311 Camden St Suite 208, San Antonio, TX 78215. The listed phone number is (210) 892-0028.
What is Matthew Stalker's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Matthew Stalker enrolled in Medicare?
Yes. Matthew Stalker 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 Matthew Stalker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Stalker reassigns Medicare benefits to 14 organizations: Middle Tennessee Imaging LLC (Dickson, TN), Adi Radiology PC (Franklin, TN), Blessing Hospital (Hannibal, MO), Good Samaritan Regional Health Center (Mount Vernon, IL), Radiology Alliance PC (Nashville, TN) and 9 more organizations, listed in the Medicare section above. 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 Matthew Stalker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Stalker accept?
Health plans from Blue Cross and Blue Shield of Texas list Matthew Stalker 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 Matthew Stalker affiliated with any hospitals?
According to CMS data, Matthew Stalker is affiliated with Ssm Health St Mary's Hospital -Centralia, Good Samaritan Regional Hlth Center, Heartland Regional Medical Center, Ferrell Hospital Community Foundations and Wabash General Hospital 1.
When was this NPI record last updated?
The NPPES record for Matthew Stalker was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Matthew Stalker, M.D. · NPI 1669490090
Diagnostic Radiology physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1669490090 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** M4564 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 311 CAMDEN ST, SUITE 208, San Antonio, TX 78215-2012
- **Phone:** (210) 892-0028 · **Fax:** (210) 455-0169
## 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:** 14 organizations under Medicare reassignment (form CMS-855R): Middle Tennessee Imaging LLC (NPI 1770667289, Dickson, TN); Adi Radiology PC (NPI 1083266761, Franklin, TN); Blessing Hospital (NPI 1043724875, Hannibal, MO); Good Samaritan Regional Health Center (NPI 1134457955, Mount Vernon, IL); Radiology Alliance PC (NPI 1861478489, Nashville, TN); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Creighton University School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** August 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1669490090) · Data from the CMS NPPES public registry.