Marichu Theresa A. Matas, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

D0069148 Issued in MD

Practice address

10110 Molecular Drive
Suite 206
Rockville, MD 20850-7542

Phone

(301) 279-2779

Fax

(240) 403-0190

NPI assigned

Jul 22, 2008

Last updated

Aug 12, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in DC

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 1

Specialty

HospitalistAlso: Internal Medicine

Education

Other, 1990

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Galen Inpatient Physicians PCGroup PAC ID 3678464633, 1,045 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Holy Cross Hospital Hospital, Silver Spring, MD, CCN 210004

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.441.519005

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.

• Galen Inpatient Physicians PC

  • Hospitalist Physician
  • Germantown, MD
  • NPI 1225923154

  DC

  Medicare reassignment Care Compare group NPD
• Montgomery Medical Associates, P.C.

  • Specialist
  • Rockville, MD
  • NPI 1760432462

  DC

  Medicare reassignment NPD
• Usacs Integrated Acute Care Services of Maryland, LLC

  • Internal Medicine Physician
  • Elkton, MD
  • NPI 1922598929

  DC

  Medicare reassignment NPD
• Galen Inpatient Physicians PC

  • Hospitalist Physician
  • Silver Spring, MD
  • NPI 1417842345
  NPD
• Galen Inpatient Physicians PC

  • Hospitalist Physician
  • Los Angeles, CA
  • NPI 1205787686
  NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)
• Holy Cross Health, Inc

  dba Holy Cross Hospital

  • General Acute Care Hospital
  • Silver Spring, MD
  • NPI 1669417838
  NPD (past)

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

• Holy Cross Health, Inc

  dba Holy Cross Hospital

  • General Acute Care Hospital
  • Silver Spring, MD
  • NPI 1669417838
  Care Compare affiliation
• Holy Cross Health, Inc.

  dba Holy Cross Health Lab Outreach

  • Clinical Medical Laboratory
  • Silver Spring, MD
  • NPI 1831574284

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1216684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754956800000",
    "number": "1558526228",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10110 MOLECULAR DRIVE",
            "address_2": "SUITE 206",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208507542",
            "telephone_number": "301-279-2779",
            "fax_number": "240-403-0190"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10110 MOLECULAR DRIVE",
            "address_2": "SUITE 206",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208507542",
            "telephone_number": "301-279-2779",
            "fax_number": "240-403-0190"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATAS",
        "first_name": "MARICHU THERESA",
        "middle_name": "A.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-07-22",
        "last_updated": "2025-08-12",
        "certification_date": "2025-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0069148",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MD",
            "license": "D69148",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "404776100",
            "state": "MD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "026406700",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Evans Sueller Masyongo
• Diana Veronica Mata, D.O.
• Ruby Mata
• Jocelyne Matamoros Castro
• Celeste Matamoros Cervantes
• Maternal Fetal Medicine Associates of Maryland
• Mariam Mathai, M.D.
• Tifani Matherson
• Maria Matheus
• Mathews Telemedicine Services

• Internal Medicine Physician in Rockville, MD
• Providers in Rockville, MD by specialty
• Internal Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 2025; 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.