Active NPI
Mark Lee Westbroek, MD, PHD
- Pediatrics Physician
- Phoenix, AZ
National Provider Identifier
1174207443
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 79564
- Practice address
- 1919 E Thomas Rd
Phoenix, AZ 85016-7710 - Phone
- (602) 933-1000
- NPI assigned
- Jun 14, 2023
- 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 |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 79564 | AZ | Primary |
Addresses
Primary practice location
1919 E Thomas Rd
Phoenix, AZ 85016-7710
Mailing address
1919 E Thomas Rd
Phoenix, AZ 85016-7710
Phone (602) 933-0920
Other practice location 1
982185 Nebraska Medical Ctr
Omaha, NE 68198-2185
Phone (402) 559-5380
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NE
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20230816001291 | NE | Order and Referring Only - Pediatric Medicine | 8224490750 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine, Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 36495 | NE | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Nebraska Medical Center | Past | Accepting new patients |
Interoperability endpoints
- mark.westbroek.p1@direct.oneworldomaha.nextgenshare.com
Organizations & group practices 1
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.
-
- Children's Hospital
- Omaha, NE
- NPI 1164641312
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1686700800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783641600000",
"number": "1174207443",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1919 E THOMAS RD",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850167710",
"telephone_number": "602-933-0920"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1919 E THOMAS RD",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850167710",
"telephone_number": "602-933-1000"
}
],
"practiceLocations": [
{
"address_1": "982185 Nebraska Medical Ctr",
"address_purpose": "LOCATION",
"city": "Omaha",
"state": "NE",
"postal_code": "681982185",
"country_code": "US",
"telephone_number": "402-559-5380",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WESTBROEK",
"first_name": "MARK",
"middle_name": "LEE",
"credential": "MD, PHD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-06-14",
"last_updated": "2026-07-10",
"certification_date": "2026-07-10",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "AZ",
"license": "79564",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Phoenix, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 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.