Individual provider Active NPI

Muhammad Junaid Niaz, MD

  • Internal Medicine Physician
  • Johnson City, NY
National Provider Identifier
1871173823
Registry record updated Sep 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
331663 Issued in NY
Practice address
33-57 Harrison St
Johnson City, NY 13790-2107
Phone
(607) 763-6000
NPI assigned
Apr 13, 2021
Last updated
Sep 15, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 15, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 331663 NY Primary
General Practice Physician 208D00000X 82776-20 WI
Hospitalist Physician 208M00000X 76152 CT

Addresses

Primary practice location

33-57 Harrison St
Johnson City, NY 13790-2107

Mailing address

33-57 Harrison St
Johnson City, NY 13790-2107
Phone (607) 763-6000

Other practice location 1

20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, NY, CT3 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

Enrollment IDStateProvider typePAC IDDetails
I20240529000337 WI Practitioner - General Practice 4486096088 Reassigns benefits to 1 organization
I20240805000946 NY Practitioner - Internal MedicinePractitioner - Hospitalist 4486096088 Reassigns benefits to 2 organizations
I20250710001683 CT Practitioner - HospitalistPractitioner - Internal Medicine 4486096088 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northeast Medical Group IncGroup PAC ID 1254233836, 1,357 clinicians
United Medical Associates PCGroup PAC ID 0345144978, 229 clinicians

Practice addresses (Care Compare)

20 York St
New Haven, CT 06510-3220
Phone (203) 688-4741

33 -57 Harrison St
Johnson City, NY 13790-2107
Phone (607) 763-6622

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
331663NYMDInternal Medicine Physician
76152CTMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
United Medical Associates PC CurrentSince Jul 23, 2024 Accepting new patients
Northeast Medical Group, Inc. Internal Medicine CurrentSince Jul 15, 2025 Accepting new patients
North Shore-Lij Medical PC Internal Medicine CurrentSince Feb 12, 2025 Accepting new patients
United Medical Associates, P.C. CurrentSince Jul 23, 2024 Accepting new patients
Signify Health Medical Associates, PLLC General Practice CurrentSince Apr 15, 2024 Accepting new patients
Mill Hill Medical Consultants Inc CurrentSince Jul 15, 2025 Accepting new patients
United Health Services Hospitals, Inc. Past Accepting new patients

Locations

130 Division St
Derby, CT 06418
Phone (203) 732-1330

1450 Chapel St
New Haven, CT 06511
Phone (203) 789-3151

20 York St
Unit CB2041
New Haven, CT 06510
Phone (203) 688-4741

20 York St
North Haven, CT 06510
Phone (203) 688-2433

95 Armory Rd
Stratford, CT 06614
Phone (203) 384-3388

33-57 Harrison St
Johnson City, NY 13790
Phone (607) 763-6412

300 Community Dr
Manhasset, NY 11030

1111 Marcus Ave
Ste M04
New Hyde Park, NY 11042
Phone (585) 736-3650

100 E 77th St
Fl 3
New York, NY 10075
Phone (212) 434-2900

75 N Country Rd
Prt Jefferson, NY 11777
Phone (631) 463-1320

4055 Valley View Ln
Ste 400
Dallas, TX 75244
Phone (469) 466-7037

4055 Valley View Ln
Ste 700
Dallas, TX 75244
Phone (469) 466-7420

811 E Washington Ave
Madison, WI 53703
Phone (469) 466-7420

Networks

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

Interoperability endpoints

  • FHIR API: https://epicproxy.et1127.epichosted.com/FHIRproxy/api/FHIR/R4/
  • Direct secure messaging: mniaz71025@northwell.direct-ci.com

Organizations & group practices 7

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 3

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": "1618272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1871173823",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "33-57 HARRISON ST",
            "city": "JOHNSON CITY",
            "state": "NY",
            "postal_code": "137902107",
            "telephone_number": "607-763-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "33-57 HARRISON ST",
            "city": "JOHNSON CITY",
            "state": "NY",
            "postal_code": "137902107",
            "telephone_number": "607-763-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20 York St",
            "address_purpose": "LOCATION",
            "city": "New Haven",
            "state": "CT",
            "postal_code": "065103220",
            "country_code": "US",
            "telephone_number": "203-688-4242",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIAZ",
        "first_name": "MUHAMMAD JUNAID",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-04-13",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "331663",
            "primary": true
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "WI",
            "license": "82776-20",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CT",
            "license": "76152",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Johnson City, NY

Sources for this page

Verify at the official NPI Registry.