Arsen M Zacharian, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

N7378 Issued in TX

Practice address

4502 Medical Dr
San Antonio, TX 78229-4402

Phone

(210) 358-4000

Fax

(210) 358-8002

NPI assigned

May 30, 2008

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Other names 1

• Arsen M Zakharyan Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in TX, CO, MO3 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 3

Specialty

Internal Medicine

Education

Other, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Usacs Integrated Acute Care Services of Texas, PLLCGroup PAC ID 7618237264, 398 clinicians

Community Medicine AssociatesGroup PAC ID 7719979509, 590 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University Health System Hospital, San Antonio, TX, CCN 450213
• Baptist Medical Center Hospital, San Antonio, TX, CCN 450058

Merit-based Incentive Payment System (MIPS)

Final score

89.06 of 100Reported as group

Quality

89.53

Promoting interoperability

100

Improvement activities

40

Cost

74

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 29)

Interoperability endpoints

• Direct secure messaging: azacharian302776@direct.sw.org
• Direct secure messaging: azacharian707072@uhssa.direct-ci.com
• Direct secure messaging: arsen.zacharian@wellmed.eclinicaldirectplus.com

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

• Community Medicine Associates

  • Family Medicine Physician
  • San Antonio, TX
  • NPI 1245313329

  Internal Medicine, TX

  Medicare reassignment Care Compare group NPD
• Usacs Integrated Acute Care Services of Texas, PLLC

  • Internal Medicine Physician
  • Cedar Park, TX
  • NPI 1801300322

  Internal Medicine, TX

  Medicare reassignment Care Compare group NPD
• 24 Hour Physicians, Inc

  • Emergency Medicine Physician
  • Spring, TX
  • NPI 1396083424

  Hospitalist, TX

  Medicare reassignment NPD
• Citizen'S Medical Center County of Victoria

  • Multi-Specialty Clinic/Center
  • Victoria, TX
  • NPI 1205242088

  Internal Medicine, TX

  Medicare reassignment NPD
• Hospital Medicine Services of TX, PLLC

  • Hospitalist Physician
  • San Antonio, TX
  • NPI 1881392363

  Hospitalist, TX

  Medicare reassignment NPD
• Hospitalist Medicine Physicians of Texas, PLLC

  • Internal Medicine Physician
  • Humble, TX
  • NPI 1629307095

  Internal Medicine, TX

  Medicare reassignment NPD
• Sound Inpatient Physicians of Texas I, Inc

  • Family Medicine Physician
  • Sugar Land, TX
  • NPI 1831424563

  Internal Medicine, TX

  Medicare reassignment NPD
• Wellmed Networks, Inc.

  • Cardiovascular Disease Physician
  • San Antonio, TX
  • NPI 1386948677

  TX

  Medicare reassignment NPD
• Hospital Medicine Services of Colorado, LLC

  • Hospitalist Physician
  • Denver, CO
  • NPI 1366242323

  CO, Hospitalist

  Medicare reassignment NPD
• Ozarks Medical Center

  • General Acute Care Hospital
  • West Plains, MO
  • NPI 1831115641

  MO

  Medicare reassignment NPD
• Ozarks Medical Center

  • Psychiatric Hospital Unit
  • West Plains, MO
  • NPI 1235929027
  NPD
• Portercare Adventist Health System

  • Otolaryngology Physician
  • Greenwood Village, CO
  • NPI 1760761928
  NPD

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

• Bexar County Hospital District

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1821011248

  Hospital

  Care Compare affiliation
• VHS San Antonio Partners LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1598744856

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1212105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1386802833",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4502 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294402",
            "telephone_number": "210-358-4000",
            "fax_number": "210-358-8002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4502 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294402",
            "telephone_number": "210-358-4000",
            "fax_number": "210-358-8002"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "810 W Highway 71",
            "address_purpose": "LOCATION",
            "city": "Marble Falls",
            "state": "TX",
            "postal_code": "786548602",
            "country_code": "US",
            "telephone_number": "830-201-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZACHARIAN",
        "first_name": "ARSEN",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-05-30",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "DR0059873",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CO",
            "license": "DR0059873",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "N7378",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "azacharian302776@direct.sw.org",
            "affiliation": "N",
            "address_1": "810 W Highway 71",
            "city": "Marble Falls",
            "state": "TX",
            "country_code": "US",
            "postal_code": "786548602",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "ARSEN",
            "last_name": "ZAKHARYAN",
            "middle_name": "M",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Z. a. P. Ventures LLC
• Za and Associates
• Sophia Zabadayev
• Zabrinas Jolly Bunch
• Agnes Marie Zacarias, M.A., LPC
• Crystal A Zacharias
• Joseph R Zacharko, PA-C
• Zachary S Stinson MD PA
• Robert A. Zachary, PH.D.
• Angela Zachery, PHARMD

• All providers in San Antonio, TX
• Internal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 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.