Active NPI
Gary Hollander DO PLC
- Physician Assistant
- Walled Lake, MI
National Provider Identifier
1790901072
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 5601002389
- Legal business name
- GARY HOLLANDER DO PLC
- Practice address
- 620 N Pontiac TRL
Walled Lake, MI 48390-3443 - Phone
- (248) 624-4511
- Fax
- (248) 624-4408
- NPI assigned
- Apr 17, 2007
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Mrs. Debbie Sue Witt-Haggerty
- Title
- Office Manager
- Phone
- (248) 624-4511
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hospice and Palliative Medicine (Family Medicine) Physician | 207QH0002X | 5101013058 | MI | |
| Hospice and Palliative Medicine (Internal Medicine) Physician | 207RH0002X | 5101012793 | MI | |
| Physician Assistant | 363A00000X | 5601002389 | MI | Primary |
Addresses
Primary practice location
620 N Pontiac TRL
Walled Lake, MI 48390-3443
Mailing address
620 N Pontiac TRL
Walled Lake, MI 48390-3443
Phone (248) 624-4511
Other names 1
- Pontiac Trail Medical Center
National Provider Directory
National Provider DirectoryNPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1176768000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1757548800000",
"number": "1790901072",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "620 N PONTIAC TRL",
"city": "WALLED LAKE",
"state": "MI",
"postal_code": "483903443",
"telephone_number": "248-624-4511",
"fax_number": "248-624-4408"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "620 N PONTIAC TRL",
"city": "WALLED LAKE",
"state": "MI",
"postal_code": "483903443",
"telephone_number": "248-624-4511",
"fax_number": "248-624-4408"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "GARY HOLLANDER DO PLC",
"organizational_subpart": "NO",
"enumeration_date": "2007-04-17",
"last_updated": "2025-09-11",
"status": "A",
"authorized_official_last_name": "WITT-HAGGERTY",
"authorized_official_first_name": "DEBBIE",
"authorized_official_middle_name": "SUE",
"authorized_official_title_or_position": "OFFICE MANAGER",
"authorized_official_telephone_number": "248-624-4511",
"authorized_official_name_prefix": "Mrs."
},
"taxonomies": [
{
"code": "207QH0002X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Family Medicine, Hospice and Palliative Medicine",
"state": "MI",
"license": "5101013058",
"primary": false
},
{
"code": "207RH0002X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Hospice and Palliative Medicine",
"state": "MI",
"license": "5101012793",
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Physician Assistant",
"state": "MI",
"license": "5601002389",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Pontiac Trail Medical Center",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Walled Lake, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.