Individual provider Active NPI

Sief S Naser, M.D.

  • Emergency Medicine Physician
  • Oroville, CA
National Provider Identifier
1598078396
Registry record updated Jul 12, 2016
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A124264 Issued in CA
Practice address
2767 Olive Hwy
Oroville, CA 95966-6118
Phone
(530) 533-8500
Fax
(530) 538-3117
NPI assigned
Jul 21, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 12, 2016

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X R72315 AZ
Emergency Medicine Physician 207P00000X A124264 CA Primary

Addresses

Primary practice location

2767 Olive Hwy
Oroville, CA 95966-6118

Mailing address

2767 Olive Hwy
Oroville, CA 95966-6118
Phone (530) 533-8500

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20131126001100 CA Practitioner - Emergency Medicine 4789810524 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Pennsylvania State University College of Medicine, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

173 E Webster St
Colusa, CA 95932-2949
Phone (209) 287-6308

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
R72315AZMDEmergency Medicine Physician
A124264CAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
American Specialty Physicians Group Inc Emergency Medicine CurrentSince May 1, 2024 Accepting new patients
Orohealth Corporation a Non Profit Healthcare System CurrentSince Sep 9, 2014 Accepting new patients
Oroville Hospital CurrentSince Jul 28, 2013 Accepting new patients
Ali Golshan MD Inc CurrentSince Sep 30, 2025 Accepting new patients
Oroville Hospital CurrentSince Jul 28, 2013 Accepting new patients
Solano Gateway Medical Group Inc Emergency Medicine CurrentSince Mar 1, 2019 Accepting new patients

Locations

416 N Bedford Dr
Ste 306
Beverly Hills, CA 90210
Phone (310) 271-3354

151 E Webster St
Ste B
Colusa, CA 95932
Phone (209) 287-6308

240 Spruce St
Gridley, CA 95948
Phone (530) 846-5671

4281 Katella Ave
Ste 120
Los Alamitos, CA 90720
Phone (310) 974-8767

1250 E Almond Ave
Madera, CA 93637
Phone (559) 675-5501

700 17th St
Ste 205
Modesto, CA 95354
Phone (209) 248-7851

2721 Olive Hwy
Ste 9
Oroville, CA 95966
Phone (530) 532-4400

1611 Feather River Blvd
Ste 9
Oroville, CA 95965
Phone (530) 538-5620

2767 Olive Hwy
#260
Oroville, CA 95966
Phone (530) 532-8544

2767 Olive Hwy
Ste 12
Oroville, CA 95966
Phone (530) 532-8260

1611 Feather River Blvd
Oroville, CA 95965
Phone (530) 532-8523

2767 Olive Hwy
Oroville, CA 95966
Phone (916) 533-8500

2721 Olive Hwy
Ste 4
Oroville, CA 95966
Phone (530) 532-8161

2809 Olive Hwy
Ste 320
Oroville, CA 95966
Phone (530) 532-8181

225 N Jackson Ave
San Jose, CA 95116
Phone (408) 347-4051

1000 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 446-4000

9450 SW Gemini Dr
Beaverton, OR 97008
Phone (310) 974-8767

Organizations & group practices 6

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.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1279670400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1468281600000",
    "number": "1598078396",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2767 OLIVE HWY",
            "city": "OROVILLE",
            "state": "CA",
            "postal_code": "959666118",
            "telephone_number": "530-533-8500",
            "fax_number": "530-538-3117"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2767 OLIVE HWY",
            "city": "OROVILLE",
            "state": "CA",
            "postal_code": "959666118",
            "telephone_number": "530-533-8500",
            "fax_number": "530-538-3117"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NASER",
        "first_name": "SIEF",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-07-21",
        "last_updated": "2016-07-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "R72315",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A124264",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oroville, CA

Sources for this page

Verify at the official NPI Registry.