Active NPI
William D. Gersch, PHARMD, BCPS
- Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
- Greeley, CO
National Provider Identifier
1063740645
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
- License
- 20704
- Practice address
- 2105 17TH Ave
Greeley, CO 80631-6815 - Phone
- (916) 720-8088
- NPI assigned
- Nov 19, 2009
- 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 |
|---|---|---|---|---|
| Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | 1835P0018X | 20704 | NC | Primary |
Addresses
Primary practice location
2105 17TH Ave
Greeley, CO 80631-6815
Mailing address
2105 17TH Ave
Greeley, CO 80631-6815
Phone (919) 608-0932
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Pharmacy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20704 | NC | MD | Massage Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1258588800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1766016000000",
"number": "1063740645",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2105 17TH AVE",
"city": "GREELEY",
"state": "CO",
"postal_code": "806316815",
"telephone_number": "919-608-0932"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2105 17TH AVE",
"city": "GREELEY",
"state": "CO",
"postal_code": "806316815",
"telephone_number": "916-720-8088"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GERSCH",
"first_name": "WILLIAM",
"middle_name": "D.",
"name_prefix": "Dr.",
"credential": "PHARMD, BCPS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2009-11-19",
"last_updated": "2025-12-18",
"certification_date": "2025-12-18",
"status": "A"
},
"taxonomies": [
{
"code": "1835P0018X",
"taxonomy_group": "",
"desc": "Pharmacist, Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist",
"state": "NC",
"license": "20704",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Greeley, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 18, 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.