Individual provider Active NPI

Zachary Michael Hostetler, MD

  • Infectious Disease Physician
  • Philadelphia, PA
National Provider Identifier
1265061790
Registry record updated Jun 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
MD482631 Issued in PA
Practice address
3400 Spruce St
Philadelphia, PA 19104-4238
Phone
(215) 662-4000
Fax
(215) 243-3272
NPI assigned
Apr 6, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 30, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X MD482631 PA Primary

Addresses

Primary practice location

3400 Spruce St
Philadelphia, PA 19104-4238

Mailing address

3400 Spruce St
Philadelphia, PA 19104-4238
Phone (215) 662-4000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20251101000006 PA Practitioner - Internal MedicinePractitioner - Infectious Disease 2860938784 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Infectious Disease
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
St Lukes Physician Group IncGroup PAC ID 6709798333, 2,161 clinicians
University of Penn-Medical GroupGroup PAC ID 6204730955, 3,433 clinicians

Practice addresses (Care Compare)

1021 Park Ave
Quakertown, PA 18951-0130

3000 St Lukes Dr
Quakertown, PA 18951-1696
Phone (484) 526-3950

3400 Spruce St
Philadelphia, PA 19104-4238
Phone (215) 662-6932

700 Lawn Ave
Sellersville, PA 18960-1548
Phone (484) 822-5700

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
St Luke'S Physician Group Inc CurrentSince Feb 2, 2026 Accepting new patients
St. Luke'S Physician Group Inc. CurrentSince Feb 2, 2026 Accepting new patients
University of Penn-Medical Group Infectious Disease CurrentSince Aug 21, 2025 Accepting new patients
University of Penn-Medical Group CurrentSince Aug 21, 2025 Accepting new patients
University of Penn - Medical Group Past Accepting new patients
St. Luke'S Physician Group, Inc Past Accepting new patients
Clinical Care Associates of the University of Pennsylvania Health Syst Infectious Disease Past Accepting new patients

Locations

701 Ostrum St
Ste 103
Fountain Hill, PA 18015
Phone (484) 526-6400

3400 Civic Center Blvd
Fl 4
Philadelphia, PA 19104
Phone (215) 662-3580

817 Lawn Ave
Sellersville, PA 18960
Phone (215) 257-5071

Organizations & group practices 8

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 2

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": "1586131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751241600000",
    "number": "1265061790",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3400 SPRUCE ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191044238",
            "telephone_number": "215-662-4000",
            "fax_number": "215-243-3272"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3400 SPRUCE ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191044238",
            "telephone_number": "215-662-4000",
            "fax_number": "215-243-3272"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOSTETLER",
        "first_name": "ZACHARY",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-06",
        "last_updated": "2025-06-30",
        "certification_date": "2025-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "PA",
            "license": "MD482631",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

Verify at the official NPI Registry.