Active NPI
Gary Marshall Mart, M.D.
- Child & Adolescent Psychiatry Physician
- River Forest, IL
National Provider Identifier
1386713196
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Child & Adolescent Psychiatry Physician
- License
- 036101590
- Practice address
- 1046 Monroe Ave
River Forest, IL 60305-1426 - Phone
- (312) 509-3910
- Fax
- (312) 277-6565
- NPI assigned
- Nov 7, 2006
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Child & Adolescent Psychiatry Physician | 2084P0804X | 036101590 | IL | Primary |
Addresses
Primary practice location
1046 Monroe Ave
River Forest, IL 60305-1426
Mailing address
7061 North Ave # 506
Oak Park, IL 60302-1015
Phone (312) 509-3910
Other practice location 1
333 N Michigan Ave Ste 1125
Chicago, IL 60601-4001
Phone (312) 509-3910
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 036101590 | Medicaid | IL | |
| 01632730 | Other | IL | BLUE CROSS BLUE SHIELD |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| CONNECT URL | doctor@drgarymart.com | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
- Opted out of Medicare
- Yes, effective Feb 24, 2017 through Feb 24, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Marcia Slomowitz MD PC | Single Specialty | Past | Accepting new patients |
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 and National Provider Directory roles.
-
- Child & Adolescent Psychiatry Physician
- Chicago, IL
- NPI 1891936498
Single Specialty
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1162857600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750809600000",
"number": "1386713196",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7061 NORTH AVE # 506",
"city": "OAK PARK",
"state": "IL",
"postal_code": "603021015",
"telephone_number": "312-509-3910",
"fax_number": "844-562-0636"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1046 MONROE AVE",
"city": "RIVER FOREST",
"state": "IL",
"postal_code": "603051426",
"telephone_number": "312-509-3910",
"fax_number": "312-277-6565"
}
],
"practiceLocations": [
{
"address_1": "333 N Michigan Ave Ste 1125",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606014001",
"country_code": "US",
"telephone_number": "312-509-3910",
"fax_number": "844-562-0636",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MART",
"first_name": "GARY",
"middle_name": "MARSHALL",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-11-07",
"last_updated": "2025-06-25",
"certification_date": "2025-06-25",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0804X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
"state": "IL",
"license": "036101590",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "036101590",
"state": "IL"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS BLUE SHIELD",
"identifier": "01632730",
"state": "IL"
}
],
"endpoints": [
{
"endpointType": "CONNECT",
"endpointTypeDescription": "CONNECT URL",
"endpoint": "doctor@drgarymart.com",
"affiliation": "N",
"endpointDescription": "business email address",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "1046 Monroe Ave",
"city": "River Forest",
"state": "IL",
"country_code": "US",
"postal_code": "603051426",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in River Forest, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 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; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.