Active NPI
Chelsea A Marchione, PA-C
- Medical Physician Assistant
- Royal Oak, MI
National Provider Identifier
1821639683
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Medical Physician Assistant
- License
- 5601013946
- Practice address
- 3601 W 13 Mile Rd
Royal Oak, MI 48073-6712 - Phone
- (248) 898-0633
- NPI assigned
- Oct 3, 2019
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 10002759A | IN | |
| Medical Physician Assistant | 363AM0700X | 5601013946 | MI | Primary |
Addresses
Primary practice location
3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Mailing address
26901 Beaumont Blvd Ste 3D
Southfield, MI 48033-3849
Other practice location 1
705 Riley Hospital Dr
Indianapolis, IN 46202-5109
Phone (317) 274-4779
Other names 1
- Chelsea A Steinfeldt
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | cmarchione3651425@epic00.corewelldirect.org |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260528000335 | MI | Practitioner - Physician Assistant | 5395215677 |
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2019
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
26901 Beaumont Blvd
Southfield, MI 48033-3849
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 10002759A | IN | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Iu Health Medical Group, LLC | Physician Assistant | Past | Accepting new patients |
| University Pediatric Associates, Inc. | Physician Assistant | Past | Accepting new patients |
Organizations & group practices 2
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.
-
- General Practice Physician
- Indianapolis, IN
- NPI 1326893777
Physician Assistant
-
- Pediatrics Physician
- Indianapolis, IN
- NPI 1457396541
Physician Assistant
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1570060800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785888000000",
"number": "1821639683",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "26901 BEAUMONT BLVD STE 3D",
"city": "SOUTHFIELD",
"state": "MI",
"postal_code": "480333849"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3601 W 13 MILE RD",
"city": "ROYAL OAK",
"state": "MI",
"postal_code": "480736712",
"telephone_number": "248-898-0633"
}
],
"practiceLocations": [
{
"address_1": "705 Riley Hospital Dr",
"address_purpose": "LOCATION",
"city": "Indianapolis",
"state": "IN",
"postal_code": "462025109",
"country_code": "US",
"telephone_number": "317-274-4779",
"fax_number": "317-948-9806",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MARCHIONE",
"first_name": "CHELSEA",
"middle_name": "A",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2019-10-03",
"last_updated": "2026-08-05",
"certification_date": "2026-08-05",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "IN",
"license": "10002759A",
"primary": false
},
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "MI",
"license": "5601013946",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "cmarchione3651425@epic00.corewelldirect.org",
"affiliation": "N",
"address_1": "3601 W 13 Mile Rd",
"city": "Royal Oak",
"state": "MI",
"country_code": "US",
"postal_code": "480736712",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": [
{
"first_name": "CHELSEA",
"last_name": "STEINFELDT",
"middle_name": "A",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Royal Oak, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.