Alex O Sinelnikov, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

220852 Issued in MA

Practice address

55 Fruit Street FND 216
Massachusetts General Hospital
Boston, MA 02114

Phone

(617) 724-4255

Fax

(617) 726-3077

NPI assigned

Mar 20, 2006

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 WV, FL, LA3 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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: asinelnikov418377@christushealth.direct-ci.net
• FHIR API: https://fhir-myrecord.cerner.com/r4/21ed112e-ec5e-43b1-8ddc-cd3753841e6e/
• Direct secure messaging: wghasinel@yourcarecommunity.org

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.

• Central Avenue Professional Services, PC

  • Critical Care Medicine (Internal Medicine) Physician
  • Newark, NJ
  • NPI 1447649694

  FL

  Medicare reassignment NPD
• CLHG-Acadian LLC

  dba Acadian Medical Center

  • Family Medicine Physician
  • Eunice, LA
  • NPI 1942977657

  Diagnostic Radiology

  Medicare reassignment NPD
• CLHG-Oakdale LLC

  dba Oberlin Express Care

  • Rural Health Clinic/Center
  • Oberlin, LA
  • NPI 1063111920
  Medicare reassignment NPD
• CLHG-Ville Platte LLC

  dba Mercy Regional Medical Center

  • Anesthesiology Physician
  • Ville Platte, LA
  • NPI 1285811927

  Diagnostic Radiology

  Medicare reassignment NPD
• Concordia Parish Hospital Service District Number One

  dba Trinity Medical

  • Family Medicine Physician
  • Ferriday, LA
  • NPI 1952565335
  Medicare reassignment NPD
• Franklin Parish Hospital Service Dist 1

  dba Franklin Medical Center

  • Rural Acute Care Hospital
  • Winnsboro, LA
  • NPI 1619143120
  Medicare reassignment NPD
• Jackson Parish Hospital

  • Critical Access Hospital
  • Jonesboro, LA
  • NPI 1093793408
  Medicare reassignment NPD
• Allegiance Hospital of Many, LLC

  dba Sabine Medical Center

  • General Acute Care Hospital
  • Many, LA
  • NPI 1568626273
  NPD
• Allegiance Hospital of Many,LLC

  dba Robeline Express Care

  • Family Medicine Physician
  • Robeline, LA
  • NPI 1043078199
  NPD
• CLHG-Acadian, LLC

  dba Acadiana Surgical Specialties

  • Urology Physician
  • Eunice, LA
  • NPI 1598620445
  NPD
• CLHG-Oakdale LLC

  dba Family Medicine Associates of Oakdale

  • Rural Health Clinic/Center
  • Oakdale, LA
  • NPI 1356932859
  NPD
• CLHG-Oakdale, LLC

  dba Oakdale Family Health Clinic

  • Family Medicine Physician
  • Oakdale, LA
  • NPI 1043565823
  NPD

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

{
    "created_epoch": "1142812800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1932168887",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "address_2": "MASS GENERAL PHYSICIAN ORGANIZATION",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-724-0287",
            "fax_number": "617-726-2894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT STREET FND 216",
            "address_2": "MASSACHUSETTS GENERAL HOSPITAL",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02114",
            "telephone_number": "617-724-4255",
            "fax_number": "617-726-3077"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SINELNIKOV",
        "first_name": "ALEX",
        "middle_name": "O",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-20",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MA",
            "license": "220852",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Desiree Sinclair, FNP-C
• Kevin J Sinclair Jr., PA
• Priscilla Ann-Marie Sinclair, MSN, RN, PMHNP-BC
• Sarah Sinclair, MSN, RN, CPNP-AC
• Rhea Sindvani, MD
• Aneesh Singal
• Gaurav Singal, M.D.
• Sachit Singal
• Archana Singaravelu Ramesh, M.B.,B.S
• Talia L Singer-Clark, MD

• Diagnostic Radiology Physician in Boston, MA
• Providers in Boston, MA by specialty
• Diagnostic Radiology Physician in Massachusetts

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.