MATTHEW RYAN KNOUSE MD
NPI 1477045284
Radiology - Diagnostic Radiology in San Juan, PR
About Matthew Ryan Knouse Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW RYAN KNOUSE MD (NPI 1477045284) is an individual diagnostic radiology provider in San Juan, Puerto Rico, licensed in Pennsylvania (MD479088) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Roosevelt General Hospital, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
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 Ryan Knouse 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
45Medicare enrollment records show Matthew Knouse reassigns Medicare billing to 45 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Toms River, NJ 08755
- Reassigned Medicare billing, Puerto Rico enrollment
Northfield, NJ 08225
- Reassigned Medicare billing, Puerto Rico enrollment
Austin, TX 78727
- Reassigned Medicare billing, Texas enrollment
- 187 clinicians in this Medicare group
Morton Grove, IL 60053
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1528229861 (Illinois)
- 25 clinicians in this Medicare group
State College, PA 16803
- Reassigned Medicare billing, Pennsylvania enrollment
- 9 clinicians in this Medicare group
Chadds Ford, PA 19317
- Reassigned Medicare billing, Pennsylvania enrollment
- 217 clinicians in this Medicare group
Manahawkin, NJ 08050
- Reassigned Medicare billing, Puerto Rico enrollment
Las Vegas, NV 89128
- Reassigned Medicare billing, Louisiana enrollment
- 2 clinicians in this Medicare group
East Orange, NJ 07018
- Reassigned Medicare billing, New Jersey enrollment
- 66 clinicians in this Medicare group
Leesburg, FL 34748
- Reassigned Medicare billing, Puerto Rico enrollment
- 2 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.
Areas of Expertise CMS Part B claims 68
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Roosevelt General Hospital
Acute Care Hospitals · Portales, NMThree Crosses Regional Hospital LLC
Acute Care Hospitals · Las Cruces, NMCarolina Pines Regional Medical Center
Acute Care Hospitals · Hartsville, SCGifford Medical Center
Critical Access Hospitals · Randolph, VTWythe County Community Hospital
Acute Care Hospitals · Wytheville, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 00901 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN JUAN, PR 00901
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 Knouse's NPI number?
The NPI number for Matthew Knouse is 1477045284. It was assigned to this individual provider in the NPPES registry on June 6, 2018.
Where is Matthew Knouse located?
Matthew Knouse practices at 53 Calle Palmeras Ste 601, San Juan, PR 00901. The listed phone number is (787) 334-1435.
What is Matthew Knouse's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Matthew Knouse enrolled in Medicare?
Yes. Matthew Knouse 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 Knouse's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Knouse reassigns Medicare benefits to 45 organizations: Advanced Radiology Solutions (Toms River, NJ), Advanced Shore Imaging Associates (Northfield, NJ), Austin Radiological Association (Austin, TX), Cal Devon Urgent Care Inc (Morton Grove, IL), Centre Diagnostic Imaging, PC (State College, PA) and 40 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 Knouse's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Knouse accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 11 other insurers list Matthew Knouse 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 Knouse affiliated with any hospitals?
According to CMS data, Matthew Knouse is affiliated with Roosevelt General Hospital, Three Crosses Regional Hospital LLC, Carolina Pines Regional Medical Center, Gifford Medical Center and Wythe County Community Hospital.
When was this NPI record last updated?
The NPPES record for Matthew Knouse was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 Ryan Knouse, MD · NPI 1477045284
Diagnostic Radiology physician in San Juan, Puerto Rico. Individual provider, active in the CMS NPPES registry since June 6, 2018.
## Identity
- **NPI:** 1477045284 (Entity type: Individual)
- **Enumerated:** June 6, 2018
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** MD479088 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 53 CALLE PALMERAS STE 601, San Juan, PR 00901-2410
- **Phone:** (787) 334-1435
## 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:** 45 organizations under Medicare reassignment (form CMS-855R): Advanced Radiology Solutions (NPI 1467863068, Toms River, NJ); Advanced Shore Imaging Associates (NPI 1164808812, Northfield, NJ); Austin Radiological Association (NPI 1033196464, Austin, TX); Cal Devon Urgent Care Inc (NPI 1104940618, Morton Grove, IL); Centre Diagnostic Imaging, PC (NPI 1306841929, State College, PA); and 40 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1477045284) · Data from the CMS NPPES public registry.