Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MATTHEW RYAN KNOUSE MD
NPI 1477045284
Radiology - Diagnostic Radiology in San Juan, PR

Active since June 06, 2018PECOS Enrolled
90.34/100
CMS Quality Rating
53 CALLE PALMERAS STE 601, SAN JUAN, PR 00901(787) 334-1435 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 28, 2026, Jul 26, 2026, May 11, 2026 and 2 more (5 updates tracked since 2022).

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 Wooster Community Hospital, and is a graduate of Temple University School Of Medicine (2018).

NPPES Registry Identity

NPI1477045284
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameMATTHEW RYAN KNOUSECredential: MD
Location Address53 CALLE PALMERAS STE 601San Juan, PR 00901-2410
Mailing Address53 Calle Palmeras Ste 601San Juan, PR 00901-2410 · (787) 334-1435
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2018
Enumeration DateJune 6, 2018
Last NPPES UpdateJuly 28, 20265 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
NPI 1477045284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in PA · MD479088 Licensed in FL · TPME5446 Licensed in TX · T8248 Licensed in GU · MTL-2026-010 Licensed in GU · M-2527
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedSurgeryTaxonomy 208600000X · License MT215706 (PA)

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID3870848591
PECOS Enrollment IDI20220803000190, I20230615003362, I20230720000146, I20240910001102, I20241010000050, I20250904001506, I20250911003024, I20250915003220, I20251017003423, I20251216002344, I20260101000373, I20260116002390, I20260407003750, I20260521004264
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
21,710 services202 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
813 services696 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
463 services440 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
234 services231 patients
Ct scan of chest with contrast 71260
A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.
157 services155 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
147 services147 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wooster Community Hospital

Acute Care Hospitals · Wooster, OH
5/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number360036
Location1761 Beall AvenueWooster, OH 44691 · Wayne County
Emergency services Birthing friendly

Carolina Pines Regional Medical Center

Acute Care Hospitals · Hartsville, SC
3/5 CMS rating
OwnershipProprietary
CMS Certification Number420010
Location1304 W Bobo Newsom HwyHartsville, SC 29550 · Darlington County
Emergency services Birthing friendly

St Francis-Downtown

Acute Care Hospitals · Greenville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420023
LocationOne St Francis DrGreenville, SC 29601 · Greenville County
Emergency services Birthing friendly

Gifford Medical Center

Critical Access Hospitals · Randolph, VT
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number471301
Location44 South Main StreetRandolph, VT 05060 · Orange County
Emergency services

Wythe County Community Hospital

Acute Care Hospitals · Wytheville, VA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number490111
Location600 West Ridge RoadWytheville, VA 24382 · Wythe County
Emergency services Birthing friendly

Physician 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.

New Patient
$88.07 typical visit price
range $56.86 – $172.44
Typical copayment $22.01 (range $14.21 – $43.11)
Most-billed visit code 99203
Established Patient
$70.88 typical visit price
range $18.24 – $140.44
Typical copayment $17.72 (range $4.56 – $35.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

90.34/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.69
Promoting Interoperability100
Improvement Activities40

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.

Neurological Surgery
53 CALLE PALMERAS STE 601
SAN JUAN, PR 00901
Durable Medical Equipment & Medical Supplies
53 CALLE PALMERAS STE 601
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.

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 Magnolia Health and 9 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 Wooster Community Hospital, Carolina Pines Regional Medical Center, St Francis-Downtown, 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 11 days 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.