Active NPI
Zachary Michael Hostetler, MD
- Infectious Disease Physician
- Philadelphia, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- MD482631
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| St Luke'S Physician Group Inc | Current | Accepting new patients | |
| St. Luke'S Physician Group Inc. | Current | Accepting new patients | |
| University of Penn-Medical Group | Infectious Disease | Current | Accepting new patients |
| University of Penn-Medical Group | Current | 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.
-
- Infectious Disease Physician
- Philadelphia, PA
- NPI 1194832899
-
- Family Medicine Physician
- Bethlehem, PA
- NPI 1700984622
-
- Family Medicine Physician
- Orwigsburg, PA
- NPI 1710845144
-
- Gastroenterology Physician
- Sellersville, PA
- NPI 1235602459
-
- Surgical Oncology Physician
- Philadelphia, PA
- NPI 1871981985
-
- Hospitalist Physician
- Bala Cynwyd, PA
- NPI 1790737468
Infectious Disease
-
- Obstetrics & Gynecology Physician
- Bethlehem, PA
- NPI 1447801535
-
- Cardiovascular Disease Physician
- Philadelphia, PA
- NPI 1093725145
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Philadelphia, PA
- NPI 1851370910
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.