Romsai T Boonyasai, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

D62037 Issued in MD

Practice address

4940 Eastern Ave
Baltimore, MD 21224-2735

Phone

(410) 550-9434

NPI assigned

Apr 25, 2006

Last updated

Jul 13, 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MD

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

Internal MedicineAlso: Pediatric Medicine

Education

Icahn School of Medicine at Mount Sinai, 1998

Medicare assignment

May accept Medicare assignment

Group practices

Johns Hopkins UniversityGroup PAC ID 4981745098, 711 clinicians

Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rboonyasai36174@direct.hopkinsmedicine.org

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.

• Johns Hopkins University

  dba Jhu - Anesthesia Pain MGMT

  • Pain Medicine (Anesthesiology) Physician
  • Baltimore, MD
  • NPI 1922008549
  Medicare reassignment Care Compare group NPD
• Johns Hopkins University

  dba Jhu - Medicine/Hospitalist

  • Hospitalist Physician
  • Baltimore, MD
  • NPI 1902332133
  Medicare reassignment Care Compare group
• Johns Hopkins University

  • Internal Medicine Physician
  • Lutherville, MD
  • NPI 1942010467
  NPD

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

• The Johns Hopkins Hospital

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1578597993
  Care Compare affiliation

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

{
    "created_epoch": "1145923200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1508822651",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 64264",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212644264"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4940 EASTERN AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212242735",
            "telephone_number": "410-550-9434"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BOONYASAI",
        "first_name": "ROMSAI",
        "middle_name": "T",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D62037",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tyler Boone-Boyd
• Carrie Shadonna Boone, LCSW-C
• Karen M Boone, LCSW-C
• Mya Ariel Boone
• Stephanie R Boone, DDS
• Boonyong P Thada, M.D., P.a.
• Christina Boord, CRNP
• Carole M Booth, MD
• Ian Booth, PHARMD
• Jasmine Michelle Booth

• Internal Medicine Physician in Baltimore, MD
• Providers in Baltimore, 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 Jul 13, 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.