Active NPI
Mojgan Makhsoosi, M.D. INC.
- Internal Medicine Physician
- Simi Valley, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A70736
- Practice address
- 1687 Erringer Rd Ste 203
Simi Valley, CA 93065-6509 - Phone
- (805) 915-0315
- Fax
- (805) 915-0317
- NPI assigned
- Mar 10, 2006
- Last updated
- Sep 28, 2025
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A70736 | CA | Primary |
Addresses
Primary practice location
1687 Erringer Rd Ste 203
Simi Valley, CA 93065-6509
Mailing address
PO Box 6604
Thousand Oaks, CA 91359-6604
Phone (805) 915-0315
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
- Internal Medicine
- Education
- Other, 1990
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
Practice addresses (Care Compare)
1687 Erringer Rd
Simi Valley, CA 93065-6509
Phone (805) 915-0315
Hospital & facility affiliations
- Access TLC Home Health Care
- Adventist Health Simi Valley
- Los Robles Hospital & Medical Center
- Simi Healthcare Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.77 of 100
- Quality
- 81.54
- Promoting interoperability
- 100
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal of skin lesions | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A70736 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mojgan Makhsoosi, M.D. Inc. | Internal Medicine | Current | Accepting new patients |
| Simi Valley Hospital and Health Care Services | Past | Accepting new patients |
Locations
1687 Erringer Rd
Ste 203
Simi Valley, CA 93065
Phone (805) 915-0315
2750 Sycamore Dr
Ste 209
Simi Valley, CA 93065
Phone (805) 306-0304
Organizations & group practices 2
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.
-
- Internal Medicine Physician
- Simi Valley, CA
- NPI 1841354073
-
- General Acute Care Hospital
- Simi Valley, CA
- NPI 1063495190
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Los Robles Hospital & Medical Center
- General Acute Care Hospital
- Thousand Oaks, CA
- NPI 1306890389
-
- General Acute Care Hospital
- Simi Valley, CA
- NPI 1063495190
-
dba Access TLC Home Health Care
- Case Manager/Care Coordinator
- San Fernando, CA
- NPI 1619045176
Home health agency
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1141948800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759017600000",
"number": "1346218658",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 6604",
"city": "THOUSAND OAKS",
"state": "CA",
"postal_code": "913596604",
"telephone_number": "805-915-0315",
"fax_number": "805-915-0317"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1687 ERRINGER RD STE 203",
"city": "SIMI VALLEY",
"state": "CA",
"postal_code": "930656509",
"telephone_number": "805-915-0315",
"fax_number": "805-915-0317"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MAKHSOOSI",
"first_name": "MOJGAN",
"credential": "M.D. INC.",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2006-03-10",
"last_updated": "2025-09-28",
"certification_date": "2025-09-28",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A70736",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Simi Valley, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 28, 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.