Active NPI
Heidi Lynn Alvey, MD
- Critical Care Medicine (Internal Medicine) Physician
- Indianapolis, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Medicine (Internal Medicine) Physician
- License
- 01089876A
- Practice address
- 1701 N Senate Blvd
Indianapolis, IN 46202-1239 - Phone
- (317) 962-5820
- Fax
- (317) 962-3916
- NPI assigned
- Jun 2, 2011
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | Q7828 | TX | |
| Emergency Medicine Physician | 207P00000X | 01089876A | IN | |
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | 01089876A | IN | Primary |
Addresses
Primary practice location
1701 N Senate Blvd
Indianapolis, IN 46202-1239
Mailing address
250 N Shadeland Ave
Indianapolis, IN 46219-4959
Other practice location 1
2401 S 31st St
Temple, TX 76508-2608
Phone (254) 724-2111
Other practice location 2
1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone (888) 484-3258
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1103103804 | Other | IN | ANTHEM PTAN |
| 300078866 | Medicaid | IN |
Other names 1
- Heidi Lynn Gretzinger
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | halvey@direct.iuhealth.org | Direct |
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
- Pulmonary Disease
- Education
- Medical College of Wisconsin, 2011
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone (888) 484-3258
Hospital & facility affiliations
- Indiana University Health
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| Q7828 | TX | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Indiana Clinic Critical Care LLC | Critical Care Medicine | Current | Accepting new patients |
| Indiana University Health Care Associates, Inc | Current | Accepting new patients | |
| Iu Health Medical Group, LLC | Current | Accepting new patients |
Locations
2574 Reliable Pkwy
Chicago, IL 60686
5208 Reliable Pkwy
Chicago, IL 60686
1801 Senate Blvd
Ste 230
Indianapolis, IN 46202
Phone (317) 962-5280
1701 Senate Blvd
Indianapolis, IN 46202
Phone (317) 612-2754
250 N Shadeland Ave
Indianapolis, IN 46219
Phone (317) 948-9174
1701 N Senate Blvd
Bldg C6
Indianapolis, IN 46202
Phone (913) 962-2000
Interoperability endpoints
- halvey@direct.iuhealth.org
- halvey217211@direct.sw.org
Organizations & group practices 3
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
-
- Pulmonary Disease Physician
- Indianapolis, IN
- NPI 1417285230
Critical Care Medicine
-
- General Practice Physician
- Indianapolis, IN
- NPI 1902032832
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Indianapolis, IN
- NPI 1144266024
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1306972800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1740528000000",
"number": "1386938702",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "250 N SHADELAND AVE",
"city": "INDIANAPOLIS",
"state": "IN",
"postal_code": "462194959"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1701 N SENATE BLVD",
"city": "INDIANAPOLIS",
"state": "IN",
"postal_code": "462021239",
"telephone_number": "317-962-5820",
"fax_number": "317-962-3916"
}
],
"practiceLocations": [
{
"address_1": "2401 S 31st St",
"address_purpose": "LOCATION",
"city": "Temple",
"state": "TX",
"postal_code": "765082608",
"country_code": "US",
"telephone_number": "254-724-2111",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1701 N Senate Blvd",
"address_purpose": "LOCATION",
"city": "Indianapolis",
"state": "IN",
"postal_code": "462021239",
"country_code": "US",
"telephone_number": "888-484-3258",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ALVEY",
"first_name": "HEIDI",
"middle_name": "LYNN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2011-06-02",
"last_updated": "2025-02-26",
"certification_date": "2025-02-26",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "TX",
"license": "Q7828",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "IN",
"license": "01089876A",
"primary": false
},
{
"code": "207RC0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "IN",
"license": "01089876A",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ANTHEM PTAN",
"identifier": "1103103804",
"state": "IN"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "300078866",
"state": "IN"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "halvey@direct.iuhealth.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "1701 N Senate Blvd",
"city": "Indianapolis",
"state": "IN",
"country_code": "US",
"postal_code": "462021239",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": [
{
"first_name": "HEIDI",
"last_name": "GRETZINGER",
"middle_name": "LYNN",
"credential": "MD",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Indianapolis, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 26, 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.