Active NPI
Rafik A Shereen, MD
- Internal Medicine Physician
- Hawthorne, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 173382
- Practice address
- 5400 W Rosecrans Ave Ste 100
Hawthorne, CA 90250-6686 - Phone
- (310) 643-8500
- NPI assigned
- Apr 4, 2018
- Sex
- Male
- Sole proprietor
- No
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 | 173382 | CA | Primary |
Addresses
Primary practice location
5400 W Rosecrans Ave Ste 100
Hawthorne, CA 90250-6686
Mailing address
PO Box 35380
Las Vegas, NV 89133-5380
Phone (702) 579-3203
Other practice location 1
400 N Pepper Ave
Colton, CA 92324-1801
Phone (909) 580-6343
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, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
601 Torrance Blvd
Redondo Beach, CA 90277-3416
Phone (310) 214-0811
824 E Carson St
Suite 104
Carson, CA 90745-2262
Phone (310) 830-9706
Hospital & facility affiliations
- Torrance Memorial Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 173382 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Healthcare Partners Affiliates Medical Group | Internal Medicine | Current | Accepting new patients |
| Healthcare Partners Affiliates Medical Group | Current | Accepting new patients | |
| Memorial Medical Group Inc | 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
824 E Carson St
Ste 104
Carson, CA 90745
Phone (310) 830-9706
5400 W Rosecrans Ave
#100400N
Hawthorne, CA 90250
5400 W Rosecrans Ave
Ste 100
Hawthorne, CA 90250
Phone (310) 643-8500
1700 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 883-8611
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Interoperability endpoints
- rshereen207359@westdirect.optum.com
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.
-
- Internal Medicine Physician
- Los Angeles, CA
- NPI 1659312593
-
- Durable Medical Equipment & Medical Supplies
- Murrieta, CA
- NPI 1760057269
-
- Durable Medical Equipment & Medical Supplies
- Phoenix, AZ
- NPI 1255523643
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Torrance, CA
- NPI 1467459776
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1522800000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784592000000",
"number": "1952807372",
"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": "5400 W ROSECRANS AVE STE 100",
"city": "HAWTHORNE",
"state": "CA",
"postal_code": "902506686",
"telephone_number": "310-643-8500"
}
],
"practiceLocations": [
{
"address_1": "400 N Pepper Ave",
"address_purpose": "LOCATION",
"city": "Colton",
"state": "CA",
"postal_code": "923241801",
"country_code": "US",
"telephone_number": "909-580-6343",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SHEREEN",
"first_name": "RAFIK",
"middle_name": "A",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-04-04",
"last_updated": "2026-07-21",
"certification_date": "2026-07-21",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "173382",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Hawthorne, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 2026; 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.