James Michael Bryan-Diaz, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

20743 Issued in PR

Practice address

Ave. Ponce de Leon #735
Torre Medica Auxilio Mutuo, Suite 207
San Juan, PR 00917

Phone

(787) 767-0655

NPI assigned

Jul 27, 2010

Last updated

Aug 8, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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 PR

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 Medicine

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Auxilio Mutuo Hospital Hospital, San Juan, PR, CCN 400016

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: james.bryandiaz@auxiliomutuo.ikm.direct-ci.com

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.

• Recinto de Ciencias Medicas

  dba Recinto de Ciencias Medicas (Medicina Interna RCM)

  • Internal Medicine Physician
  • San Juan, PR
  • NPI 1285738583
  Medicare reassignment NPD
• Bryan Internal Medicine LLC

  • Internal Medicine Physician
  • San Juan, PR
  • NPI 1386418945
  Medicare reassignment
• Recinto de Ciencias Medicas

  dba Cirugia Colorrectal RCM

  • Colon & Rectal Surgery Physician
  • San Juan, PR
  • NPI 1538935051
  NPD
• Hospital Espanol Auxilio Mutuo de Puerto Rico, Inc.

  • General Acute Care Hospital
  • San Juan, PR
  • NPI 1265493001
  NPD (past)

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

• Hospital Espanol Auxilio Mutuo de Puerto Rico, Inc.

  • General Acute Care Hospital
  • San Juan, PR
  • NPI 1265493001
  Care Compare affiliation

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

{
    "created_epoch": "1280188800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754611200000",
    "number": "1932413499",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 365062",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "009365062",
            "telephone_number": "787-767-0655"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "AVE. PONCE DE LEON #735",
            "address_2": "TORRE MEDICA AUXILIO MUTUO, SUITE 207",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "00917",
            "telephone_number": "787-767-0655"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRYAN-DIAZ",
        "first_name": "JAMES",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-07-27",
        "last_updated": "2025-08-08",
        "certification_date": "2025-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PR",
            "license": "20743",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Levid Anthony Bruno Perez, MS
• /Irma M. Bruno, M.A.
• Edwin Bruno, MSW
• Carmen R Bruselas
• Bryan Internal Medicine LLC
• Maurice Andrew Bryson
• Lizabeth M Budet, O.T.A.
• Buen Provecho Nutrition Services LLC
• Beatriz Helena Bueno
• John Ernest Buhler-Laboy, M.D.

• Internal Medicine Physician in San Juan, PR
• Providers in San Juan, PR by specialty
• Internal Medicine Physician in Puerto Rico

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 8, 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.