Marissa Valencia Ylagan, MD

Primary specialty

Maternal & Fetal Medicine PhysicianTaxonomy code 207VM0101X

License

S0595 Issued in TX

Practice address

315 N San Saba Ste 930
San Antonio, TX 78207-3154

Phone

(210) 704-3200

NPI assigned

Apr 26, 2006

Last updated

Aug 17, 2023By 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 1

Medicare fee-for-service enrollment

Enrolled in TX

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

Obstetrics/Gynecology

Education

Uniformed Services Uhs Fe Hebert School of Med, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

BHS Physicians Network, IncGroup PAC ID 7315019593, 702 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: marissa.ylagan.1@1438.direct.athenahealth.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.

• BHS Physicians Network, Inc

  dba Surgical Oncology Associates of South Texas

  • Family Medicine Physician
  • San Antonio, TX
  • NPI 1598958431

  Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Baylor College of Medicine

  dba BCM Physicians of San Antonio

  • Pediatrics Physician
  • San Antonio, TX
  • NPI 1285079764
  Medicare reassignment NPD
• BHS Physicians Network, Inc

  dba Orthopedic Performance Institute

  • Durable Medical Equipment & Medical Supplies
  • Boerne, TX
  • NPI 1730079286
  NPD
• BHS Specialty Network Inc

  dba Heart & Vascular Institute of Texas

  • Cardiovascular Disease Physician
  • San Antonio, TX
  • NPI 1831492651
  NPD (past)
• Christus Santa Rosa Health Care Corporation

  dba Christus Santa Rosa Hospital - New Braunfels

  • General Acute Care Hospital
  • New Braunfels, TX
  • NPI 1114725033
  NPD (past)

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

{
    "created_epoch": "1146009600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1692230400000",
    "number": "1942266051",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "315 N SAN SABA STE 1135",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782073255",
            "telephone_number": "210-704-3342"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "315 N SAN SABA STE 930",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782073154",
            "telephone_number": "210-704-3200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "502 Madison Oak Dr Ste 210",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782584192",
            "country_code": "US",
            "telephone_number": "210-481-3000 x21029",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YLAGAN",
        "first_name": "MARISSA",
        "middle_name": "VALENCIA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-26",
        "last_updated": "2023-08-17",
        "certification_date": "2023-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "S0595",
            "primary": false
        },
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "TX",
            "license": "S0595",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "394520601",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Tyler Myong Yi, RN
• Fabian Yimbu
• Eric Yin, DO
• Kylie Yineman, DMD, MPH
• Yireh Services LLC (Eder Home Care)
• YMCA of Greater San Antonio
• Ymcp Group Inc (AcuCare Solutions)
• Mallory Ynfante, PTA
• Edward Philip Ynostrosa-Travers, LPC-S
• Kyu Mee Yo, DMD

• Maternal & Fetal Medicine Physician in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Maternal & Fetal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 2023; 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.