Active NPI
Marcella Jo Tatarka, NP
- Neonatal Nurse Practitioner
- La Crosse, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neonatal Nurse Practitioner
- License
- 14289
- Practice address
- 1836 South Ave
La Crosse, WI 54601-5429 - Phone
- (608) 782-7300
- NPI assigned
- Jun 10, 2021
- Last updated
- Sep 16, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Neonatal Nurse Practitioner | 363LN0000X | 286074 | AZ | |
| Neonatal Nurse Practitioner | 363LN0000X | 14289 | WI | Primary |
| Neonatal Nurse Practitioner | 363LN0000X | 286074 | AR | |
| Critical Care Neonatal Nurse Practitioner | 363LN0005X | 14289 | WI | |
| Critical Care Neonatal Nurse Practitioner | 363LN0005X | 176098 | MT |
Addresses
Primary practice location
1836 South Ave
La Crosse, WI 54601-5429
Mailing address
1836 South Ave
La Crosse, WI 54601-5429
Phone (608) 782-7300
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MS, CO, WI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 3
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Master of Science - Nursing, Nurse Practitioner, Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 286074 | AR | MD | Neonatal Nurse Practitioner |
| 286074 | AZ | MD | Neonatal Nurse Practitioner |
| 176098 | MT | MD | Critical Care Neonatal Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Gundersen Lutheran Medical Center Inc | Current | Accepting new patients | |
| State of Mississippi - University of Mississippi Medical Center | Current | Accepting new patients | |
| Gundersen Lutheran Medical Center Inc | Current | Accepting new patients | |
| State of Mississippi - University of Mississippi Medical Center | Current | Accepting new patients | |
| RCHP Billings - Missoula LLC | Current | Accepting new patients | |
| Intermountain Medical Group Grand Junction, LLC | Current | Accepting new patients | |
| Intermountain Medical Group Grand Junction, LLC | Current | Accepting new patients | |
| Intermountain Medical Group Grand Junction, LLC | Current | Accepting new patients | |
| Gundersen Lutheran Medical Center, Inc | Current | Accepting new patients | |
| RCHP Billings - Missoula LLC | Past | Accepting new patients | |
| Arizona OB GYN Affiliates PC | Past | Accepting new patients |
Locations
500 Eldorado Blvd
Ste 4300
Broomfield, CO 80021
1050 Wellington Ave
Grand Junction, CO 81501
Phone (970) 245-4810
1050 Wellington Ave
Slp Ctr
Grand Junction, CO 81501
Phone (970) 298-5864
504 Clinton Center Dr
Ste 4300
Clinton, MS 39056
2500 N State St
Jackson, MS 39216
Phone (601) 815-4775
830 S Gloster St
Tupelo, MS 38801
Phone (662) 377-3136
2827 Fort Missoula Rd
Missoula, MT 59804
Phone (406) 327-4202
1836 South Ave
La Crosse, WI 54601
Phone (608) 788-8102
1910 South Ave
La Crosse, WI 54601
Phone (608) 775-2287
Interoperability endpoints
- mtatarka@direct.communitymed.org
- mtatarka180164@ummc.direct-ci.com
- mtatarka831022@direct.emplifyhealth.org
Organizations & group practices 11
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.
-
dba Emplify Health Hamilton Clinic
- Clinic/Center
- La Crosse, WI
- NPI 1225873458
-
- Orthopaedic Surgery Physician
- Grand Junction, CO
- NPI 1356765556
-
- General Acute Care Hospital
- Jackson, MS
- NPI 1154317527
-
- Clinic/Center
- Fox Point, WI
- NPI 1053090456
-
dba Emplify Health Onalaska Behavioral Health
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Onalaska, WI
- NPI 1871837567
-
dba SCL Health Medical Group - Patterson
- Family Medicine Physician
- Grand Junction, CO
- NPI 1538708854
-
dba DME - Wellington Neurosurgery Clinic
- Durable Medical Equipment & Medical Supplies
- Grand Junction, CO
- NPI 1609737618
-
dba Community Medical Center
- General Acute Care Hospital
- Missoula, MT
- NPI 1346642899
-
- Prosthetic/Orthotic Supplier
- Jackson, MS
- NPI 1235019530
-
- Specialist
- Phoenix, AZ
- NPI 1750589404
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1623283200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789516800000",
"number": "1902473630",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1836 SOUTH AVE",
"city": "LA CROSSE",
"state": "WI",
"postal_code": "546015429",
"telephone_number": "608-782-7300"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1836 SOUTH AVE",
"city": "LA CROSSE",
"state": "WI",
"postal_code": "546015429",
"telephone_number": "608-782-7300"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TATARKA",
"first_name": "MARCELLA",
"middle_name": "JO",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-06-10",
"last_updated": "2026-09-16",
"certification_date": "2026-09-16",
"status": "A"
},
"taxonomies": [
{
"code": "363LN0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Neonatal",
"state": "AZ",
"license": "286074",
"primary": false
},
{
"code": "363LN0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Neonatal",
"state": "WI",
"license": "14289",
"primary": true
},
{
"code": "363LN0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Neonatal",
"state": "AR",
"license": "286074",
"primary": false
},
{
"code": "363LN0005X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Neonatal, Critical Care",
"state": "WI",
"license": "14289",
"primary": false
},
{
"code": "363LN0005X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Neonatal, Critical Care",
"state": "MT",
"license": "176098",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in La Crosse, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.