NPIMap

Individual provider Active NPI

Atchayaa Gunasekharan, M.D.

  • Internal Medicine Physician
  • Springfield, MA
National Provider Identifier
1407410699
Registry record updated Jul 28, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
292317 Issued in MA
Practice address
759 Chestnut St Ste C3350
Springfield, MA 01107-1619
Phone
(413) 794-6297
Fax
(413) 794-1767
NPI assigned
Apr 24, 2019
Reactivated
Feb 26, 2020
Last updated
Jul 28, 2022By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 28, 2022

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Internal Medicine Physician 207R00000X 292317 MA Primary
Hospitalist Physician 208M00000X 292317 MA

Addresses

Primary practice location

759 Chestnut St Ste C3350
Springfield, MA 01107-1619

Mailing address

280 Chestnut St FL 2
Springfield, MA 01199-1001
Phone (413) 794-5700

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, NJ2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20220720001358 MA Practitioner - Internal Medicine 8729469861 Reassigns benefits to 1 organization
I20250709001245 NJ Practitioner - Internal Medicine 8729469861 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baystate Medical Practices IncGroup PAC ID 5991602971, 1,350 clinicians
Plover Inpatient Services LLCGroup PAC ID 1355561663, 158 clinicians

Practice addresses (Care Compare)

280 Chestnut St
Suite 2
Springfield, MA 01199-1001

425 Jack Martin Blvd
Brick, NJ 08724-7732
Phone (732) 840-2200

759 Chestnut St
Springfield, MA 01199-1001
Phone (413) 794-5439

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Plover Inpatient Services LLC Internal Medicine CurrentSince Aug 15, 2025 Accepting new patients
Baystate Medical Practices, Inc Internal Medicine CurrentSince Jul 6, 2022 Accepting new patients
HMH Hospitals Corporation Past Accepting new patients
Baystate Medical Center Inc Past Accepting new patients

Locations

280 Chestnut St
Fl 2
Springfield, MA 01199
Phone (413) 788-4385

759 Chestnut St
Springfield, MA 01199
Phone (413) 794-3233

759 Chestnut St
Ste C3350
Springfield, MA 01107
Phone (413) 794-4320

1 Bay Ave
Montclair, NJ 07042
Phone (973) 429-6100

1945 Corlies Ave
#33
Neptune City, NJ 07753
Phone (732) 776-4203

1140 Route 72 W
Stafford Township, NJ 08050
Phone (609) 978-2194

1945 State Route 33
Wall Township, NJ 07753
Phone (732) 776-2333

425 Jack Martin Blvd
Wall Township, NJ 08724
Phone (732) 840-2200

Organizations & group practices 4

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 7

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": "1556064000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1658966400000",
    "number": "1407410699",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "280 CHESTNUT ST FL 2",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011991001",
            "telephone_number": "413-794-5700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "759 CHESTNUT ST STE C3350",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011071619",
            "telephone_number": "413-794-6297",
            "fax_number": "413-794-1767"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUNASEKHARAN",
        "first_name": "ATCHAYAA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-24",
        "last_updated": "2022-07-28",
        "certification_date": "2022-07-28",
        "deactivation_date": "2019-12-09",
        "reactivation_date": "2020-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "292317",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MA",
            "license": "292317",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Springfield, MA

Sources for this page

Verify at the official NPI Registry.