Haran Sivakumar, MD

Primary specialty

Addiction Medicine (Family Medicine) PhysicianTaxonomy code 207QA0401X

License

312837 Issued in NY

Practice address

99 Wall St Ste 475
New York, NY 10005-4301

Phone

(917) 284-8973

Fax

(956) 394-1214

NPI assigned

Mar 26, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 8

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, NY2 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 2

Specialty

Family PracticeAlso: Addiction Medicine

Education

Icahn School of Medicine at Mount Sinai, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Weill Medical College of CornellGroup PAC ID 6800709023, shared by 46 NPIs, 2,023 clinicians

County of ButteGroup PAC ID 3779489356, 29 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• New York-Presbyterian Hospital Hospital, New York, NY, CCN 330101

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as apm

Quality

85.32

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678

Interoperability endpoints

• Direct secure messaging: rjh9009@direct.nyp.org
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
• Direct secure messaging: haransivakumar@wdsmdinc.allscriptsdirect.net
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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.

• County of Butte

  • Adult Mental Health Clinic/Center
  • Chico, CA
  • NPI 1578623583
  Medicare reassignment Care Compare group NPD
• Weill Medical College of Cornell

  • Internal Medicine Physician
  • New York, NY
  • NPI 1124170212
  Medicare reassignment NPD
• Weill Medical College of Cornell

  • Surgery Physician
  • New York, NY
  • NPI 1669579017
  Medicare reassignment NPD
• Sharp Rees-Stealy Medical Group, Inc

  • Internal Medicine Physician
  • San Diego, CA
  • NPI 1285616177

  Family Medicine

  Medicare reassignment NPD
• Weill Medical College of Cornell

  • Cardiovascular Disease Physician
  • New York, NY
  • NPI 1144729385
  NPD
• Weill Medical College of Cornell

  • Internal Medicine Physician
  • New York, NY
  • NPI 1164627139
  NPD
• Weill Medical College of Cornell

  • Internal Medicine Physician
  • New York, NY
  • NPI 1932127743
  NPD
• County of Butte

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Paradise, CA
  • NPI 1174161343
  NPD
• County of Butte

  • Adult Mental Health Clinic/Center
  • Paradise, CA
  • NPI 1891853131
  NPD
• Sharp Rees-Stealy Medical Group, Inc

  • Optometrist
  • San Diego, CA
  • NPI 1063172351
  NPD
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1952332801
  NPD (past)

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

• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1144504044
  Care Compare affiliation
• The New York and Presbyterian Hospital

  • Ambulance
  • New York, NY
  • NPI 1174628473

  Hospital

  Care Compare affiliation
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1194832477
  Care Compare affiliation
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • Bronxville, NY
  • NPI 1780196345
  Care Compare affiliation
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1952332801
  Care Compare affiliation

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

{
    "created_epoch": "1522022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763769600000",
    "number": "1982109740",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "99 WALL ST STE 475",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100054301",
            "telephone_number": "917-284-8973",
            "fax_number": "956-394-1214"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "99 WALL ST STE 475",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100054301",
            "telephone_number": "917-284-8973",
            "fax_number": "956-394-1214"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13274 Fiji Way",
            "address_purpose": "LOCATION",
            "city": "Marina Del Rey",
            "state": "CA",
            "postal_code": "902927282",
            "country_code": "US",
            "telephone_number": "833-438-8763",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "51 E 25th St Fl 4",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100108210",
            "country_code": "US",
            "telephone_number": "212-532-0303",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1300 York Ave",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100654805",
            "country_code": "US",
            "telephone_number": "212-746-1450",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "560 Cohasset Rd Ste 140",
            "address_purpose": "LOCATION",
            "city": "Chico",
            "state": "CA",
            "postal_code": "959262478",
            "country_code": "US",
            "telephone_number": "530-895-6625",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "505 E 70th St Fl 4",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100214872",
            "country_code": "US",
            "telephone_number": "212-746-2900",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIVAKUMAR",
        "first_name": "HARAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-26",
        "last_updated": "2025-11-22",
        "certification_date": "2025-11-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "NY",
            "license": "312837",
            "primary": true
        },
        {
            "code": "2083B0002X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Obesity Medicine",
            "state": "NY",
            "license": "312837",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NY",
            "license": "312837",
            "primary": false
        },
        {
            "code": "2083B0002X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Obesity Medicine",
            "state": "CA",
            "license": "A163513",
            "primary": false
        },
        {
            "code": "207QB0002X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Obesity Medicine",
            "state": "NY",
            "license": "312837",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A163513",
            "primary": false
        },
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "CA",
            "license": "A163513",
            "primary": false
        },
        {
            "code": "207QB0002X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Obesity Medicine",
            "state": "CA",
            "license": "A163513",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sivad Productions, Inc
• Mark Sivak, M.D.
• Marybeth Sivak, PSYD
• Sivakumar Medical PLLC
• Ganesh Karthik Sivakumar
• Thiru Sivakumaran, M.D.
• Krishnan Rolf Sivaloganathan
• Gajan Sivananthan, MD
• Sumathi Sivapalasingam, M.D.
• Nagalingam Sivasankaran

• Addiction Medicine (Family Medicine) Physician in New York, NY
• Providers in New York, NY by specialty
• Addiction Medicine (Family Medicine) Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 22, 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.