Active NPI
Marco Antonio Monares, M.D.
- Pediatrics Physician
- Los Angeles, CA
National Provider Identifier
1295943033
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- A89375
- Practice address
- 1243 S Eastman Ave
Los Angeles, CA 90023-3318 - Phone
- (323) 273-6271
- NPI assigned
- May 17, 2007
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A89375 | CA | |
| Pediatrics Physician | 208000000X | A89375 | CA | Primary |
Addresses
Primary practice location
1243 S Eastman Ave
Los Angeles, CA 90023-3318
Mailing address
1243 S Eastman Ave
Los Angeles, CA 90023-3318
Phone (323) 273-6271
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 Jul 8, 2015 through Jul 8, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 89375 | CA | MD | Marriage & Family Therapist |
| A89375 | CA | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1179360000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1295943033",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1243 S EASTMAN AVE",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900233318",
"telephone_number": "323-273-6271"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1243 S EASTMAN AVE",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900233318",
"telephone_number": "323-273-6271"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MONARES",
"first_name": "MARCO",
"middle_name": "ANTONIO",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-05-17",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A89375",
"primary": false
},
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CA",
"license": "A89375",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Los Angeles, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.