Active NPI
Milton C Olsen, LPC, PHD
- Professional Counselor
- Tulsa, OK
National Provider Identifier
1265481055
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Professional Counselor
- License
- 90
- Practice address
- 4502 E 41St St
Ste 1C18
Tulsa, OK 74135-2553 - Phone
- (918) 660-3130
- Fax
- (918) 660-3132
- NPI assigned
- May 9, 2006
- 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 |
|---|---|---|---|---|
| Professional Counselor | 101YP2500X | 90 | OK | Primary |
Addresses
Primary practice location
4502 E 41St St
Ste 1C18
Tulsa, OK 74135-2553
Mailing address
PO Box 268838
Oklahoma City, OK 73126-8838
Phone (918) 660-3632
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 Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 90 | OK | MD | Periodontist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147132800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1265481055",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 268838",
"city": "OKLAHOMA CITY",
"state": "OK",
"postal_code": "731268838",
"telephone_number": "918-660-3632",
"fax_number": "918-660-3631"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4502 E 41ST ST",
"address_2": "STE 1C18",
"city": "TULSA",
"state": "OK",
"postal_code": "741352553",
"telephone_number": "918-660-3130",
"fax_number": "918-660-3132"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OLSEN",
"first_name": "MILTON",
"middle_name": "C",
"name_prefix": "Dr.",
"credential": "LPC, PHD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-09",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "OK",
"license": "90",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Tulsa, OK
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.