Active NPI
John Robert Collen, PA-C
- Physician Assistant
- Greenville, SC
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 4777
- Practice address
- 905 Verdae Blvd Ste 101
Greenville, SC 29607-4098 - Phone
- (864) 286-7550
- Fax
- (864) 286-7551
- NPI assigned
- Apr 2, 2007
- Last updated
- Apr 23, 2026
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 001015349 | NC | |
| Physician Assistant | 363A00000X | 4777 | SC | Primary |
| Medical Physician Assistant | 363AM0700X | PA 17169 | CA |
Addresses
Primary practice location
905 Verdae Blvd Ste 101
Greenville, SC 29607-4098
Mailing address
300 E McBee Ave FL 4
Greenville, SC 29601-2842
Phone (864) 522-8603
Other practice location 1
1122 Lady St Ofc 266
Columbia, SC 29201-3490
Phone (888) 803-3370
Other practice location 2
415 N Beverly Dr # Ca90210
Beverly Hills, CA 90210-4600
Phone (888) 803-3370
Other practice location 3
525 N Tryon St Ste 1600
Charlotte, NC 28202-0213
Phone (888) 803-3370
Other practice location 4
333 1st St Ste A
San Francisco, CA 94105-2661
Phone (888) 803-3370
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, OR, SC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2003
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
333 1St St
Suite a
San Francisco, CA 94105-2661
Phone (888) 803-3370
333 1St St a
San Francisco, CA 94105-2661
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 17169 | CA | MD | Acupuncturist |
| 4777 | SC | MD | Occupational Therapist |
| 001015349 | NC | MD | Physician Assistant |
| PA 17169 | CA | MD | Medical Physician Assistant |
Organizations & group practices 4
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.
-
- Family Medicine Physician
- San Francisco, CA
- NPI 1134596091
-
dba Prisma Health Urgent Care
- Urgent Care Clinic/Center
- Greenville, SC
- NPI 1851000855
-
- Clinic/Center
- Springfield, OR
- NPI 1730734161
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1175472000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776902400000",
"number": "1215058037",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "300 E MCBEE AVE FL 4",
"city": "GREENVILLE",
"state": "SC",
"postal_code": "296012842",
"telephone_number": "864-522-8603"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "905 VERDAE BLVD STE 101",
"city": "GREENVILLE",
"state": "SC",
"postal_code": "296074098",
"telephone_number": "864-286-7550",
"fax_number": "864-286-7551"
}
],
"practiceLocations": [
{
"address_1": "1122 Lady St Ofc 266",
"address_purpose": "LOCATION",
"city": "Columbia",
"state": "SC",
"postal_code": "292013490",
"country_code": "US",
"telephone_number": "888-803-3370",
"fax_number": "888-803-3331",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "415 N Beverly Dr # Ca90210",
"address_purpose": "LOCATION",
"city": "Beverly Hills",
"state": "CA",
"postal_code": "902104600",
"country_code": "US",
"telephone_number": "888-803-3370",
"fax_number": "888-803-3331",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "525 N Tryon St Ste 1600",
"address_purpose": "LOCATION",
"city": "Charlotte",
"state": "NC",
"postal_code": "282020213",
"country_code": "US",
"telephone_number": "888-803-3370",
"fax_number": "888-803-3331",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "333 1st St Ste A",
"address_purpose": "LOCATION",
"city": "San Francisco",
"state": "CA",
"postal_code": "941052661",
"country_code": "US",
"telephone_number": "888-803-3370",
"fax_number": "888-803-3331",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "COLLEN",
"first_name": "JOHN",
"middle_name": "ROBERT",
"name_prefix": "Mr.",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-04-02",
"last_updated": "2026-04-23",
"certification_date": "2026-04-23",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "NC",
"license": "001015349",
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "SC",
"license": "4777",
"primary": true
},
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "CA",
"license": "PA 17169",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Greenville, SC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 2026; 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.