NPIMap

Individual provider Active NPI

Opkar S Chawla, MD

  • Internal Medicine Physician
  • Centereach, NY
National Provider Identifier
1871548776
Registry record updated Aug 10, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
183894 Issued in NY
Practice address
23 Howell Avenue
Stony Brook Extended Care
Centereach, NY 11720-2133
Phone
(631) 542-0550
Fax
(631) 542-7473
NPI assigned
May 23, 2006
Last updated
Aug 10, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 10, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 183894 NY Primary

Addresses

Primary practice location

23 Howell Avenue
Stony Brook Extended Care
Centereach, NY 11720-2133

Mailing address

500 Commack Rd Unit 206
Commack, NY 11725-5022
Phone (631) 675-2125

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110210000403 NY Practitioner - Internal Medicine 0547440471 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

100 Nicolls Rd
Stony Brook, NY 11794-0001
Phone (631) 444-1560

101 Nicolls Rd
Stony Brook, NY 11794-0001
Phone (631) 444-1560

26 Research Way
East Setauket, NY 11733-3526
Phone (631) 444-0580

Lauterbur Dr
Stony Brook, NY 11794-0001
Phone (632) 638-1000

PO Box
Suite 1554
Stony Brook, NY 11790-0989

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal or shaving of skin growth1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Excel Urgent Care of Wantagh PLLC CurrentSince Apr 1, 2016 Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation CurrentSince Oct 1, 2014 Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation Internal Medicine CurrentSince Oct 1, 2014 Accepting new patients
Excel Urgent Care of Nesconset, PLLC CurrentSince Apr 1, 2016 Accepting new patients
Excel Urgent Care of East Northport, PLLC CurrentSince Apr 1, 2016 Accepting new patients
Urgent Care of New York PLLC CurrentSince Aug 1, 2023 Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation Past Accepting new patients
Chenango Memorial Hospital, Inc. Internal Medicine PastSince Apr 1, 2016 Accepting new patients

Locations

2112 Middle Country Rd
Centereach, NY 11720
Phone (631) 247-7463

23 S Howell Ave
Centereach, NY 11720
Phone (631) 444-4545

23 S Howell Ave
Ste A
Centereach, NY 11720

558 Larkfield Rd
East Northport, NY 11731
Phone (631) 446-7459

465 Smithtown Blvd
Nesconset, NY 11767
Phone (631) 676-6700

484 Temple Hill Rd
Ste 103
New Windsor, NY 12553

484 Temple Hill Rd
Ste 104
New Windsor, NY 12553
Phone (732) 896-4444

100 Nicolls Rd
Stony Brook, NY 11794
Phone (631) 444-1560

100 Nicolls Rd
#13202
Stony Brook, NY 11794

3430 Sunrise Hwy
Wantagh, NY 11793
Phone (516) 900-1600

Networks

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

Interoperability endpoints

  • Direct secure messaging: opkar.chawla@sbcm.cernerdirect.com
  • Direct secure messaging: urgentcareofny.opkarchawla@156424.advancedmd-direct.com

Organizations & group practices 9

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.

Hospital & facility affiliations 10

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

NPI Registry JSON

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

{
    "created_epoch": "1148342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1691625600000",
    "number": "1871548776",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 COMMACK RD UNIT 206",
            "city": "COMMACK",
            "state": "NY",
            "postal_code": "117255022",
            "telephone_number": "631-675-2125",
            "fax_number": "631-675-2628"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23 HOWELL AVENUE",
            "address_2": "STONY BROOK EXTENDED CARE",
            "city": "CENTEREACH",
            "state": "NY",
            "postal_code": "117202133",
            "telephone_number": "631-542-0550",
            "fax_number": "631-542-7473"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAWLA",
        "first_name": "OPKAR",
        "middle_name": "S",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-23",
        "last_updated": "2023-08-10",
        "certification_date": "2023-08-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "183894",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Centereach, NY

Sources for this page

Verify at the official NPI Registry.