Active NPI
Eran Marion Hahn II, MD
- Obstetrics & Gynecology Physician
- Bridgeton, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- 2003023593
- Practice address
- 3466 McKelvey Rd
Bridgeton, MO 63044-2533 - Phone
- (314) 344-8100
- Fax
- (314) 344-8102
- NPI assigned
- Sep 13, 2005
- Last updated
- Sep 22, 2025
- 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 |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | 2003023593 | MO | Primary |
Addresses
Primary practice location
3466 McKelvey Rd
Bridgeton, MO 63044-2533
Mailing address
PO Box 959318
Saint Louis, MO 63195-8512
Phone (573) 885-6600
Other practice location 1
751 Sappington Bridge Rd
Sullivan, MO 63080-2354
Phone (573) 468-4186
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 208731828 | Medicaid | MO |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ | Health Information Exchange (HIE) |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MO
- 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
- Other, 1999
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1110 Highlands Plaza Dr E
Saint Louis, MO 63110-1351
Phone (314) 273-0195
2630 Hwy K
O Fallon, MO 63368-6624
Phone (636) 240-5454
3015 N Ballas Rd
Saint Louis, MO 63131-2329
Phone (314) 996-5772
3466 McKelvey Rd
Suite 220
Bridgeton, MO 63044-2533
Phone (314) 463-6950
721 Sappington Bridge Rd
Sullivan, MO 63080-2354
751 Sappington Bridge Rd
Sullivan, MO 63080-2354
Phone (573) 468-4186
Hospital & facility affiliations
- Missouri Baptist Medical Center
- Christian Hospital Northeast
- SSM Health Depaul Hospital St Louis
- Mercy Hospital St Louis
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal of the uterus | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2003023593 | MO | MD | Obstetrics & Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| SSM Health Care St Louis | Current | Accepting new patients | |
| Physician Groups LC | Obstetrics & Gynecology | Current | Accepting new patients |
| SSM Health Care St. Louis | Current | Accepting new patients | |
| Missouri Baptist Hospital of Sullivan | Current | Accepting new patients | |
| Physician Groups LC | Current | Accepting new patients | |
| Missouri Baptist Hospital of Sullivan | Current | Accepting new patients | |
| Parkland Health Center | Past | Accepting new patients | |
| Missouri Baptist Hospital of Sullivan | Past | Accepting new patients | |
| Missouri Baptist Hospital of Sullivan | Past | Accepting new patients | |
| Missouri Baptist Hospital of Sullivan | Past | Accepting new patients | |
| SSM Health Care St. Louis | Obstetrics & Gynecology | Past | Accepting new patients |
| Missouri Baptist Medical Center | Past | Accepting new patients | |
| SSM Health Care St. Louis | Obstetrics & Gynecology | Past | Accepting new patients |
Locations
7344 Solutions Ctr
Chicago, IL 60677
Phone (314) 989-6189
3466 McKelvey Rd
Bridgeton, MO 63044
Phone (314) 344-6800
102 Ozark Dr
#B
Cuba, MO 65453
Phone (573) 860-6600
1015 Bowles Ave
Fenton, MO 63026
Phone (636) 496-2000
300 Medical Plz
Ste 221
Lake St Louis, MO 63367
Phone (636) 561-2229
2963 Doddridge Ave
Maryland Hts, MO 63043
Phone (314) 291-3909
2630 Highway K
O Fallon, MO 63368
Phone (636) 240-5454
300 1st Capitol Dr
Saint Charles, MO 63301
Phone (636) 669-2211
660 Mason Ridge Center Dr
Ste 300
Saint Louis, MO 63141
Phone (314) 463-6950
751 Sappington Bridge Rd
Sullivan, MO 63080
Phone (573) 468-1343
Interoperability endpoints
- https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
- https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/R4/
- https://pmh-vmhaiku-01.pmh.org/FHIR/PARKLAND/api/FHIR/R4
Organizations & group practices 13
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 Cuba Medical Office
- Rural Health Clinic/Center
- Cuba, MO
- NPI 1396827408
-
- Multi-Specialty Clinic/Center
- Saint Louis, MO
- NPI 1285664268
Obstetrics & Gynecology
-
dba SSM Health St Clare Fenton
- Emergency Medicine Physician
- Fenton, MO
- NPI 1275586174
-
dba Missouri Baptist Sullivan Hospital
- Ambulance
- Sullivan, MO
- NPI 1831343268
-
dba Medical Arts Clinic
- Multi-Specialty Clinic/Center
- Farmington, MO
- NPI 1427114990
-
dba SSM Health DePaul Hospital
- Cardiovascular Disease Physician
- Bridgeton, MO
- NPI 1376598599
-
dba Missouri Baptist Sullivan Hospital
- Multi-Specialty Clinic/Center
- Sullivan, MO
- NPI 1215945480
-
dba Sullivan Medical Office
- Rural Health Clinic/Center
- Sullivan, MO
- NPI 1235228222
-
- Critical Access Hospital
- Sullivan, MO
- NPI 1295743169
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1487663506
-
dba Parkland Health Center - Farmington
- General Acute Care Hospital
- Farmington, MO
- NPI 1003824061
-
dba SSM Health St. Joseph Hospital - St. Charles Physician Billing
- Emergency Medicine Physician
- Saint Charles, MO
- NPI 1427002922
Obstetrics & Gynecology
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1639186760
-
dba Christian Hospital
- Ambulance
- Saint Louis, MO
- NPI 1073769329
Hospital
-
dba Mercy Hospital St Louis
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1427098169
-
dba Mercy St. Louis Transport Ambulance
- Land Ambulance
- Saint Louis, MO
- NPI 1881329902
Hospital
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1487663506
-
dba SSM Health DePaul Hospital - St. Louis
- General Acute Care Hospital
- Bridgeton, MO
- NPI 1598835308
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1126569600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758499200000",
"number": "1952396251",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 959318",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631958512",
"telephone_number": "573-885-6600",
"fax_number": "573-885-6610"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3466 MCKELVEY RD",
"city": "BRIDGETON",
"state": "MO",
"postal_code": "630442533",
"telephone_number": "314-344-8100",
"fax_number": "314-344-8102"
}
],
"practiceLocations": [
{
"address_1": "751 Sappington Bridge Rd",
"address_purpose": "LOCATION",
"city": "Sullivan",
"state": "MO",
"postal_code": "630802354",
"country_code": "US",
"telephone_number": "573-468-4186",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HAHN",
"first_name": "ERAN",
"middle_name": "MARION",
"name_suffix": "II",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-09-13",
"last_updated": "2025-09-22",
"certification_date": "2025-09-22",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "MO",
"license": "2003023593",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "208731828",
"state": "MO"
}
],
"endpoints": [
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
"affiliation": "N",
"endpointDescription": "BJC",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "3466 McKelvey Rd",
"city": "Bridgeton",
"state": "MO",
"country_code": "US",
"postal_code": "630442533",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Bridgeton, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 2025; 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.