Matthew Ryan Knouse, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

MD479088 Issued in PA

Practice address

53 Calle Palmeras Ste 601
San Juan, PR 00901-2410

Phone

(787) 334-1435

NPI assigned

Jun 6, 2018

Last updated

Jul 28, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 6

Addresses

Medicare fee-for-service enrollment

Enrolled in TX, PA, LA, SC, TN, GA, PR, OH, FL, NC, VT, NM, IL, NJ, SD, NY, GU17 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 17

Specialty

Diagnostic Radiology

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Huron Regional Medical Center IncGroup PAC ID 2769393388, 45 clinicians

Radiology Associates of South Carolina LLCGroup PAC ID 3779932959, 109 clinicians

Coastal Imaging LLCGroup PAC ID 8123312055, 68 clinicians

Florida Radiology Associates LLCGroup PAC ID 2769829522, 74 clinicians

Smi Imaging LLCGroup PAC ID 3476696220, 380 clinicians

Pennsylvania Radiology Associates PCGroup PAC ID 4385170810, 48 clinicians

Advanced Radiology SolutionsGroup PAC ID 5597985507, 36 clinicians

Simonmed Imaging Florida LLCGroup PAC ID 6608036108, 302 clinicians

Radiology Associates of North Carolina PCGroup PAC ID 8628507811, 36 clinicians

Guadalupe CountyGroup PAC ID 9335118918, 17 clinicians

Guam Healthcare Development IncorporatedGroup PAC ID 9234351776, 211 clinicians

RFC Radiology Associates LLCGroup PAC ID 8022141894, 33 clinicians

The West Clinic P.C.Group PAC ID 2668360579, 115 clinicians

KND Development 59 LLCGroup PAC ID 3678602802, shared by 22 NPIs, 176 clinicians

Three Crosses Regional Hospital LLCGroup PAC ID 1254758667, 62 clinicians

Hartsville Medical Group LLCGroup PAC ID 7012062714, 78 clinicians

Wythe County Physician Practices LLCGroup PAC ID 7517972789, 45 clinicians

Christiana Care Pennsylvania IncGroup PAC ID 8921549973, 176 clinicians

Roosevelt County Special Hospital DistrictGroup PAC ID 4082526660, 39 clinicians

Gifford Medical Center IncGroup PAC ID 4880683663, 55 clinicians

Cal Devon Urgent Care IncGroup PAC ID 6507939204, shared by 2 NPIs, 3 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Gifford Medical Center Hospital, Randolph, VT, CCN 471301
• Wythe County Community Hospital Hospital, Wytheville, VA, CCN 490111
• Carolina Pines Regional Medical Center Hospital, Hartsville, SC, CCN 420010
• Wooster Community Hospital Hospital, Wooster, OH, CCN 360036
• Three Crosses Regional Hospital LLC Hospital, Las Cruces, NM, CCN 320091

Merit-based Incentive Payment System (MIPS)

Final score

89.17 of 100Reported as apm

Quality

78.34

Promoting interoperability

100

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

86.91 of 100Reported as group

Quality

78.17

Promoting interoperability

100

Improvement activities

40

Cost

67.71

Merit-based Incentive Payment System (MIPS)

Final score

96.6 of 100Reported as group

Promoting interoperability

96

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles (60 of 75)

Locations (25 of 82)

Networks

• Optimum HealthCare HMO Network
• Freedom Health HMO Network

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/6237/brand/1/csg/1/fhir/r4
• FHIR API: https://api.platform.athenahealth.com/8689/brand/1/csg/1/fhir/r4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Advanced Radiology Solutions

  • Diagnostic Radiology Physician
  • Toms River, NJ
  • NPI 1467863068

  PR

  Medicare reassignment Care Compare group NPD
• Christiana Care Pennsylvania Inc

  dba CCHS Imaging PA

  • Diagnostic Radiology Physician
  • West Grove, PA
  • NPI 1467298299
  Medicare reassignment Care Compare group NPD
• Coastal Imaging LLC

  • Diagnostic Radiology Physician
  • Manahawkin, NJ
  • NPI 1710334727

  PR

  Medicare reassignment Care Compare group NPD
• Gifford Medical Center Inc.

  • General Acute Care Hospital
  • Randolph, VT
  • NPI 1942329446
  Medicare reassignment Care Compare group NPD
• Guadalupe County

  dba Guadalupe County Hospital

  • Emergency Care Clinic/Center
  • Santa Rosa, NM
  • NPI 1346249968
  Medicare reassignment Care Compare group NPD
• Hartsville Medical Group LLC

  • Internal Medicine Physician
  • Hartsville, SC
  • NPI 1598995300

  LA

  Medicare reassignment Care Compare group NPD
• Pennsylvania Radiology Associates PC

  • Diagnostic Radiology Physician
  • Windber, PA
  • NPI 1184443921

  LA, PR

  Medicare reassignment Care Compare group NPD
• Radiology Associates of North Carolina PC

  • Diagnostic Radiology Physician
  • Asheboro, NC
  • NPI 1841015245

  PR

  Medicare reassignment Care Compare group NPD
• Radiology Associates of South Carolina LLC

  dba Northern Light Radiology Associates

  • Diagnostic Radiology Physician
  • Greenville, SC
  • NPI 1083491906

  LA, PR

  Medicare reassignment Care Compare group NPD
• RFC Radiology Associates LLC

  • Diagnostic Radiology Physician
  • McAllen, TX
  • NPI 1437478302

  PA

  Medicare reassignment Care Compare group NPD
• Roosevelt County Special Hospital District

  dba Roosevelt General Hospital

  • General Acute Care Hospital
  • Portales, NM
  • NPI 1073517058
  Medicare reassignment Care Compare group NPD
• Simonmed Imaging Florida LLC

  dba Simonmed Imaging Tampa

  • Diagnostic Radiology Physician
  • Tampa, FL
  • NPI 1477830818

  PR

  Medicare reassignment Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• City of Wooster

  dba Wooster Community Hospital

  • General Acute Care Hospital
  • Wooster, OH
  • NPI 1437156247
  Care Compare affiliation
• Gifford Medical Center Inc

  • Critical Access Hospital
  • Randolph, VT
  • NPI 1730199647
  Care Compare affiliation
• Hartsville, LLC

  dba Carolina Pines Regional Medical Center

  • General Acute Care Hospital
  • Hartsville, SC
  • NPI 1174500458
  Care Compare affiliation
• Three Crosses Regional Hospital LLC

  • General Acute Care Hospital
  • Las Cruces, NM
  • NPI 1760020044
  Care Compare affiliation
• Wythe County Community Hospital LLC

  dba Wythe County Community Hospital

  • Rural Acute Care Hospital
  • Wytheville, VA
  • NPI 1184706152
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1528243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1477045284",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "53 CALLE PALMERAS STE 601",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "009012410",
            "telephone_number": "787-334-1435"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "53 CALLE PALMERAS STE 601",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "009012410",
            "telephone_number": "787-334-1435"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNOUSE",
        "first_name": "MATTHEW",
        "middle_name": "RYAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-06-06",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "FL",
            "license": "TPME5446",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "PA",
            "license": "MD479088",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TX",
            "license": "T8248",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MT215706",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "GU",
            "license": "MTL-2026-010",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "GU",
            "license": "M-2527",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kids Zone
• Kidszone Development and Language Center
• Kidszone Developmental and Language Center (Joan Rivera Toro)
• Carissa Alexandra Kindy-Bidot, M.D.
• Klyr Medical LLC
• Celeste Koerhuis
• Elizabeth A Koffel, M.D.
• Elaine Frances Kolodziej, AUD
• Aimee Kopta, MSW
• Kore Group LLC

• Diagnostic Radiology Physician in San Juan, PR
• Providers in San Juan, PR by specialty
• Diagnostic Radiology Physician in Puerto Rico

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.