Active NPI
Krystal Ann Mazola, MD
- Obstetrics & Gynecology Physician
- West Allis, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- 60393
- Practice address
- 8901 W Lincoln Ave
West Allis, WI 53227-2409 - Phone
- (414) 328-6000
- NPI assigned
- May 22, 2008
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | 60393 | WI | Primary |
| Obstetrics & Gynecology Physician | 207V00000X | 81347 | AZ |
Addresses
Primary practice location
8901 W Lincoln Ave
West Allis, WI 53227-2409
Mailing address
PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250
Other practice location 1
721 American Ave, Ste 304
Waukesha, WI 53188
Phone (262) 549-2229
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 633335 | Medicaid | AZ | |
| 100030882 | Medicaid | WI |
Electronic endpoints 3
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/ | ||
| Direct Messaging Address | kmazola457167@direct.myadvocateaurora.org | Direct | |
| CONNECT URL | https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2 | Other | Ability Network |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Obstetrics/Gynecology
- Education
- Medical College of Wisconsin, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
721 American Ave
Suite 304
Waukesha, WI 53188-5071
Phone (262) 549-2229
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal or shaving of skin growth | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 81347 | AZ | MD | Obstetrics & Gynecology Physician |
| 60393 | WI | MD | Obstetrics & Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Madison Medical Affiliates, Inc. | Current | Accepting new patients | |
| Obhg Wisconsin, S.C. | Obstetrics & Gynecology | Current | Accepting new patients |
| Women's Health Care, SC | Current | Accepting new patients | |
| Aurora Medical Group, Inc. | Past | Accepting new patients | |
| Prohealth Medical Group Inc | Obstetrics & Gynecology | Past | Accepting new patients |
Locations
7423 Solutions Ctr
Chicago, IL 60677
2301 N Lake Dr
Milwaukee, WI 53211
Phone (414) 270-4932
2323 N Lake Dr
Milwaukee, WI 53211
Phone (414) 291-1000
788 N Jefferson St
Ste 401
Milwaukee, WI 53202
Phone (414) 226-4020
13900 W National Ave
Ste 101
New Berlin, WI 53151
N16W24131 Riverwood Dr
Waukesha, WI 53188
Phone (262) 696-0696
721 American Ave
Ste 304
Waukesha, WI 53188
Phone (262) 549-2229
8901 W Lincoln Ave
West Allis, WI 53227
Phone (414) 328-6000
Interoperability endpoints
- https://api.platform.athenahealth.com/11299/brand/1/csg/1/fhir/r4
- kmazola48367@direct.phci.org
Organizations & group practices 6
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Specialist
- Waukesha, WI
- NPI 1871533729
-
- General Practice Physician
- Milwaukee, WI
- NPI 1588695746
-
dba Ob Hospitalist Group
- Obstetrics & Gynecology Physician
- Greenville, SC
- NPI 1699273862
WI
-
- Certified Registered Nurse Anesthetist
- Milwaukee, WI
- NPI 1427271378
-
- Durable Medical Equipment & Medical Supplies
- Oshkosh, WI
- NPI 1326858044
-
- Family Medicine Physician
- Waukesha, WI
- NPI 1790720613
Obstetrics & Gynecology
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Waukesha, WI
- NPI 1629056890
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1211414400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783987200000",
"number": "1386801728",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 735044",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606735044",
"telephone_number": "800-326-2250"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8901 W LINCOLN AVE",
"city": "WEST ALLIS",
"state": "WI",
"postal_code": "532272409",
"telephone_number": "414-328-6000"
}
],
"practiceLocations": [
{
"address_1": "721 American Ave, Ste 304",
"address_purpose": "LOCATION",
"city": "Waukesha",
"state": "WI",
"postal_code": "53188",
"country_code": "US",
"telephone_number": "262-549-2229",
"fax_number": "262-549-1657",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MAZOLA",
"first_name": "KRYSTAL",
"middle_name": "ANN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2008-05-22",
"last_updated": "2026-07-14",
"certification_date": "2026-07-14",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "WI",
"license": "60393",
"primary": true
},
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "AZ",
"license": "81347",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "633335",
"state": "AZ"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "100030882",
"state": "WI"
}
],
"endpoints": [
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
"affiliation": "N",
"address_1": "8901 W Lincoln Ave",
"city": "West Allis",
"state": "WI",
"country_code": "US",
"postal_code": "532272409",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "kmazola457167@direct.myadvocateaurora.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "8901 W Lincoln Ave",
"city": "West Allis",
"state": "WI",
"country_code": "US",
"postal_code": "532272409",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "CONNECT",
"endpointTypeDescription": "CONNECT URL",
"endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2",
"affiliation": "Y",
"endpointDescription": "2.16.840.1.113883.3.667.2",
"affiliationName": "Ability Network",
"use": "OTHER",
"useDescription": "Other",
"useOtherDescription": "CMS esMD eMDR",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "8901 W Lincoln Ave",
"city": "West Allis",
"state": "WI",
"country_code": "US",
"postal_code": "532272409",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in West Allis, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 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.