Active NPI
CRN Medical Group PLLC
- Oral & Maxillofacial Surgery (D.M.D.)
- Warren, MI
National Provider Identifier
1548129125
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Oral & Maxillofacial Surgery (D.M.D.)
- Legal business name
- CRN MEDICAL GROUP PLLC
- Practice address
- 28295 Schoenherr Rd Ste B
Warren, MI 48088-4300 - Phone
- (586) 281-5615
- Fax
- (248) 716-5955
- NPI assigned
- Jan 19, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Carlos Antonio Ramriez-Neyra, MD
- Title
- Physician
- Phone
- (248) 890-9833
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Oral & Maxillofacial Surgery (D.M.D.) | 204E00000X | Primary |
Addresses
Primary practice location
28295 Schoenherr Rd Ste B
Warren, MI 48088-4300
Mailing address
28295 Schoenherr Rd Ste B
Warren, MI 48088-4300
Phone (586) 281-5615
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
Enrollment records 1
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 2
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Oral & Maxillofacial Surgery (D.M.D.)
- Warren, MI
- NPI 1023230927
-
- Oral & Maxillofacial Surgery (D.M.D.)
- Detroit, MI
- NPI 1861002719
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1768780800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1783900800000",
"number": "1548129125",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "28295 SCHOENHERR RD STE B",
"city": "WARREN",
"state": "MI",
"postal_code": "480884300",
"telephone_number": "586-281-5615",
"fax_number": "248-716-5955"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "28295 SCHOENHERR RD STE B",
"city": "WARREN",
"state": "MI",
"postal_code": "480884300",
"telephone_number": "586-281-5615",
"fax_number": "248-716-5955"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "CRN MEDICAL GROUP PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2026-01-19",
"last_updated": "2026-07-13",
"certification_date": "2026-07-13",
"status": "A",
"authorized_official_last_name": "RAMRIEZ-NEYRA",
"authorized_official_first_name": "CARLOS",
"authorized_official_middle_name": "ANTONIO",
"authorized_official_title_or_position": "PHYSICIAN",
"authorized_official_telephone_number": "248-890-9833",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "204E00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Oral & Maxillofacial Surgery",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Warren, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.