Active NPI
Mark Fesenmyer, MD
- Gastroenterology Physician
- Merrillville, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 01072085A
- Practice address
- 8895 Broadway
Merrillville, IN 46410-7037 - Phone
- (219) 738-2081
- Fax
- (219) 736-4658
- NPI assigned
- Feb 20, 2006
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | 036105597 | IL | |
| Gastroenterology Physician | 207RG0100X | 01072085A | IN | Primary |
Addresses
Primary practice location
8895 Broadway
Merrillville, IN 46410-7037
Mailing address
8895 Broadway
Merrillville, IN 46410-7037
Phone (219) 738-2081
Other practice location 1
7835 Grand Blvd
Hobart, IN 46342-6665
Phone (219) 947-6795
Other practice location 2
3800 Saint Mary Rd Ste 101
Valparaiso, IN 46383-3986
Phone (219) 947-6795
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 000000804383 | Other | IN | ANTHEM |
| 036105597 | Medicaid | IL | |
| 201131780A | Medicaid | IN |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IN
- 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
- Gastroenterology
- Education
- Indiana University School of Medicine, 1991
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
7835 Grand Blvd
Hobart, IN 46342-6665
Phone (219) 945-4499
Hospital & facility affiliations
- St Mary Medical Center Inc
- St Catherine Hospital Inc
- Community Hospital
- Powers Health Rehabilitation Center
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 134 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 148 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036105597 | IL | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Community Care Network Inc | Current | Accepting new patients |
Locations
1500 S Lake Park Ave
Ste SP403
Hobart, IN 46342
1500 S Lake Park Ave
#403
Hobart, IN 46342
Phone (219) 947-6795
7835 Grand Blvd
Hobart, IN 46342
Phone (219) 769-2258
9130 Columbia Ave
Ste A
Munster, IN 46321
Phone (219) 365-1166
3800 Saint Mary Rd
Ste 303
Valparaiso, IN 46383
Phone (219) 286-3832
3800 Saint Mary Rd
Ste 304
Valparaiso, IN 46383
Phone (219) 947-6795
3800 Saint Mary Rd
Ste 101
Valparaiso, IN 46383
Phone (219) 738-2081
Interoperability endpoints
- mfesenmyer40380@ssdirect.comhs.org
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Powers Health Medical Group
- Family Medicine Physician
- Saint John, IN
- NPI 1457610487
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Powers Health Rehabilitation Center
- Rehabilitation Hospital
- Crown Point, IN
- NPI 1801301437
Inpatient rehabilitation facility
-
dba Community Hospital
- General Acute Care Hospital
- Munster, IN
- NPI 1003918210
-
- General Acute Care Hospital
- East Chicago, IN
- NPI 1689776882
-
- General Acute Care Hospital
- Hobart, IN
- NPI 1558463745
-
dba St Mary Wound Clinic
- General Acute Care Hospital
- Hobart, IN
- NPI 1962504175
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1140393600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1588636800000",
"number": "1992770390",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8895 BROADWAY",
"city": "MERRILLVILLE",
"state": "IN",
"postal_code": "464107037",
"telephone_number": "219-738-2081",
"fax_number": "219-736-4658"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8895 BROADWAY",
"city": "MERRILLVILLE",
"state": "IN",
"postal_code": "464107037",
"telephone_number": "219-738-2081",
"fax_number": "219-736-4658"
}
],
"practiceLocations": [
{
"address_1": "7835 Grand Blvd",
"address_purpose": "LOCATION",
"city": "Hobart",
"state": "IN",
"postal_code": "463426665",
"country_code": "US",
"telephone_number": "219-947-6795",
"fax_number": "219-703-6896",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3800 Saint Mary Rd Ste 101",
"address_purpose": "LOCATION",
"city": "Valparaiso",
"state": "IN",
"postal_code": "463833986",
"country_code": "US",
"telephone_number": "219-947-6795",
"fax_number": "219-703-6896",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "FESENMYER",
"first_name": "MARK",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-20",
"last_updated": "2020-05-05",
"certification_date": "2020-05-05",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "IL",
"license": "036105597",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "IN",
"license": "01072085A",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ANTHEM",
"identifier": "000000804383",
"state": "IN"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "036105597",
"state": "IL"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "201131780A",
"state": "IN"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Merrillville, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 2020; 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.