Active NPI
Erik Oostenink, LMHC
- Mental Health Counselor
- West Des Moines, IA
National Provider Identifier
1326118035
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- License
- 00777
- Practice address
- 1001 Office Park Rd Ste 123
West Des Moines, IA 50265-2509 - Phone
- (515) 518-0949
- NPI assigned
- Nov 9, 2006
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | 00777 | IA | Primary |
Addresses
Primary practice location
1001 Office Park Rd Ste 123
West Des Moines, IA 50265-2509
Mailing address
2807 148TH St
Urbandale, IA 50323-2079
Phone (515) 205-2081
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Mar 26, 2025 through Mar 26, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 00777 | IA | MD | Mental Health Counselor |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1163030400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1764633600000",
"number": "1326118035",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2807 148TH ST",
"city": "URBANDALE",
"state": "IA",
"postal_code": "503232079",
"telephone_number": "515-205-2081"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1001 OFFICE PARK RD STE 123",
"city": "WEST DES MOINES",
"state": "IA",
"postal_code": "502652509",
"telephone_number": "515-518-0949"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OOSTENINK",
"first_name": "ERIK",
"credential": "LMHC",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-11-09",
"last_updated": "2025-12-02",
"certification_date": "2025-12-02",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "IA",
"license": "00777",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in West Des Moines, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.