Active NPI
Muhammad Junaid Niaz, MD
- Internal Medicine Physician
- Johnson City, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 331663
- Practice address
- 33-57 Harrison St
Johnson City, NY 13790-2107 - Phone
- (607) 763-6000
- NPI assigned
- Apr 13, 2021
- Last updated
- Sep 15, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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, CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Other, 2010
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
| License | State | Type | Specialty |
|---|---|---|---|
| 331663 | NY | MD | Internal Medicine Physician |
| 76152 | CT | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| United Medical Associates PC | Current | Accepting new patients | |
| Northeast Medical Group, Inc. | Internal Medicine | Current | Accepting new patients |
| North Shore-Lij Medical PC | Internal Medicine | Current | Accepting new patients |
| United Medical Associates, P.C. | Current | Accepting new patients | |
| Signify Health Medical Associates, PLLC | General Practice | Current | Accepting new patients |
| Mill Hill Medical Consultants Inc | Current | 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
- https://epicproxy.et1127.epichosted.com/FHIRproxy/api/FHIR/R4/
- 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.
-
- Clinic/Center
- Binghamton, NY
- NPI 1013972801
-
- Internal Medicine Physician
- Bridgeport, CT
- NPI 1043278351
-
dba NHPP Cardiology at Great Neck
- Urology Physician
- Great Neck, NY
- NPI 1053688572
Internal Medicine
-
- Durable Medical Equipment & Medical Supplies
- Binghamton, NY
- NPI 1629252556
-
- Geriatric Medicine (Internal Medicine) Physician
- New Haven, CT
- NPI 1891019675
-
- General Acute Care Hospital
- Binghamton, NY
- NPI 1518998699
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Norwich, NY
- NPI 1770593956
-
- General Acute Care Hospital
- Binghamton, NY
- NPI 1518998699
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 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.