Individual provider Active NPI

Deny Puthuparampil Ponnachan, MD

  • Internal Medicine Physician
  • Bronx, NY
National Provider Identifier
1124691357
Registry record updated Aug 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
331791 Issued in NY
Practice address
2300 Westchester Ave Ste 302
Bronx, NY 10462-5071
Phone
(718) 829-1900
NPI assigned
Jul 24, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 4, 2026

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 331791 NY Primary

Addresses

Primary practice location

2300 Westchester Ave Ste 302
Bronx, NY 10462-5071

Mailing address

2300 Westchester Ave Ste 302
Bronx, NY 10462-5071

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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 1

Enrollment IDStateProvider typePAC IDDetails
I20240923002131 NY Practitioner - Internal Medicine 5294276853 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2020
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Montefiore Medical CenterGroup PAC ID 3779496021, 2,809 clinicians

Practice addresses (Care Compare)

111 E 210TH St
Bronx, NY 10467-2401
Phone (866) 633-8255

Hospital & facility affiliations

  • Montefiore Medical Center Hospital, Bronx, NY, CCN 330059

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Montefiore Medical Center CurrentSince Jul 26, 2024 Accepting new patients
Montefiore Medical Center Internal Medicine CurrentSince Jul 26, 2024 Accepting new patients

Locations

2300 Westchester Ave
Ste 302
Bronx, NY 10462
Phone (718) 409-8000

2300 Westchester Ave
Bronx, NY 10462
Phone (718) 409-8000

1650 Grand Concourse
Bronx, NY 10457
Phone (718) 294-7104

111 E 210th St
Bronx, NY 10467

100 Corporate Dr
#100
Yonkers, NY 10701

Networks

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

Interoperability endpoints

  • Direct secure messaging: dponnachan@montefioredirect.com

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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": "1627084800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785801600000",
    "number": "1124691357",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2300 WESTCHESTER AVE STE 302",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104625071"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2300 WESTCHESTER AVE STE 302",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104625071",
            "telephone_number": "718-829-1900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PUTHUPARAMPIL PONNACHAN",
        "first_name": "DENY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-07-24",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "331791",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bronx, NY

Sources for this page

Verify at the official NPI Registry.