Active NPI
Glenn Mark Grossman, M.D.
- Obstetrics & Gynecology Physician
- Mission Hills, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- G74125
- Practice address
- 11600 Indian Hills Rd
Suite 200
Mission Hills, CA 91345-1225 - Phone
- (818) 838-4500
- NPI assigned
- Nov 19, 2007
- Last updated
- Dec 16, 2025
- 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 |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | G74125 | CA | Primary |
Addresses
Primary practice location
11600 Indian Hills Rd
Suite 200
Mission Hills, CA 91345-1225
Mailing address
PO Box 35380
Las Vegas, NV 89133-5380
Phone (702) 579-3203
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- 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
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1988
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
11600 Indian Hills Rd
Mission Hills, CA 91345-1225
Phone (818) 838-4500
18546 Roscoe Blvd
Suite 300
Northridge, CA 91324-5458
Phone (818) 886-4028
824 E Carson St
Suite 104
Carson, CA 90745-2262
Phone (310) 830-9706
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 74125 | CA | MD | Pharmacist |
| G74125 | CA | MD | Obstetrics & Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Obhg California, P.C. | Obstetrics & Gynecology | Current | Accepting new patients |
| Healthcare Partners Affiliates Medical Group | Current | Accepting new patients | |
| Healthcare Partners Affiliates Medical Group | Current | Accepting new patients | |
| West Hills Hospital | Past | Accepting new patients | |
| Memorial Medical Group Inc | Past | Accepting new patients | |
| Dignity Community Care | Past | Accepting new patients | |
| Providence Health System - Southern California | Past | Accepting new patients | |
| Providence Facey Medical Foundation | Obstetrics & Gynecology | Past | Accepting new patients |
Locations
1236 N Magnolia Ave
Anaheim, CA 92801
Phone (714) 995-1000
5957 W Ramsey St
Banning, CA 92220
Phone (951) 845-8864
2910 Jefferson St
Ste 100
Carlsbad, CA 92008
Phone (760) 729-8600
824 E Carson St
Ste 104
Carson, CA 90745
Phone (310) 830-9706
11600 Indian Hills Rd
Mission Hills, CA 91345
Phone (818) 781-7097
11600 Indian Hills Rd
Ste 200
Mission Hills, CA 91345
Phone (818) 838-4500
18300 Roscoe Blvd
Northridge, CA 91325
Phone (818) 885-5331
18546 Roscoe Blvd
Ste 300
Northridge, CA 91324
Phone (818) 341-4796
100 W California Blvd
Pasadena, CA 91105
Phone (626) 397-3445
601 Torrance Blvd
#1182
Redondo Beach, CA 90277
1700 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 883-8611
7325 Medical Ctr
Ste 300
West Hills, CA 91307
Phone (818) 226-3666
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Interoperability endpoints
- glenngrossman@hcpca.allscriptsdirect.net
Organizations & group practices 8
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 Optum
- Internal Medicine Physician
- Los Angeles, CA
- NPI 1659312593
-
dba Optum
- Durable Medical Equipment & Medical Supplies
- Murrieta, CA
- NPI 1760057269
-
dba Northridge Hospital Medical Center
- General Acute Care Hospital
- Northridge, CA
- NPI 1417089350
-
dba Facey Medical Group
- Internal Medicine Physician
- Valencia, CA
- NPI 1710031588
Obstetrics & Gynecology
-
dba Providence Holy Cross Medical Center
- General Acute Care Hospital
- Mission Hills, CA
- NPI 1477587632
-
dba West Hills Hospital & Medical Center
- General Acute Care Hospital
- West Hills, CA
- NPI 1023065729
-
- Durable Medical Equipment & Medical Supplies
- Phoenix, AZ
- NPI 1255523643
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1195430400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765843200000",
"number": "1063693000",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 35380",
"city": "LAS VEGAS",
"state": "NV",
"postal_code": "891335380",
"telephone_number": "702-579-3203"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "11600 INDIAN HILLS RD",
"address_2": "SUITE 200",
"city": "MISSION HILLS",
"state": "CA",
"postal_code": "913451225",
"telephone_number": "818-838-4500"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GROSSMAN",
"first_name": "GLENN",
"middle_name": "MARK",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-11-19",
"last_updated": "2025-12-16",
"certification_date": "2025-12-16",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "CA",
"license": "G74125",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Mission Hills, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 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.