Individual provider Active NPI

Mounzer B. Al Samman, M.D.

  • Gastroenterology Physician
  • Fairfield, CA
National Provider Identifier
1700822160
Registry record updated Jul 31, 2015
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A50016 Issued in CA
Practice address
5140 Business Center Dr
Sutie 180
Fairfield, CA 94534-1793
Phone
(707) 646-3555
Fax
(707) 646-3556
NPI assigned
Jun 22, 2006
Last updated
Jul 31, 2015By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 31, 2015

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X A50016 CA Primary

Addresses

Primary practice location

5140 Business Center Dr
Sutie 180
Fairfield, CA 94534-1793

Mailing address

5140 Business Center Dr
Suite 180
Fairfield, CA 94534-1793
Phone (707) 646-3555

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
I20050128000273 CA Practitioner - Gastroenterology 8729038641 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Northbay Health Medical FoundationGroup PAC ID 3274010871, 207 clinicians

Practice addresses (Care Compare)

1000 Nut Tree Rd
Vacaville, CA 95687-4100
Phone (707) 624-7000

1020 Nut Tree Rd
Vacaville, CA 95687-4100

1200 B Gale Wilson Blvd
Fairfield, CA 94533-3552
Phone (707) 429-3600

4500 Business Ctr Dr
Fairfield, CA 94534-6888

4520 Business Ctr Dr
Fairfield, CA 94534-6888

4520 Business Ctr Dr
Suite 200
Vacaville, CA 94534
Phone (707) 646-5500

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy126
Pacemaker insertion or repair1-10
Upper gastrointestinal (GI) endoscopy for acid reflux160

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
50016CAMDPharmacist
A50016CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northbay Physicians Surgery Center LLC CurrentSince Dec 21, 2025 Accepting new patients
Northbay Health Medical Foundation CurrentSince Jan 1, 2026 Accepting new patients
Northbay Healthcare Group Gastroenterology CurrentSince Dec 1, 2002 Accepting new patients
Northbay Healthcare Group CurrentSince Dec 1, 2002 Accepting new patients
Sutter Valley Hospitals Past Accepting new patients
Hospital Service District No. 2 Past Accepting new patients

Locations

1200 B Gale Wilson Blvd
Fairfield, CA 94533
Phone (707) 429-3600

4520 Business Center Dr
Ste 200
Fairfield, CA 94534
Phone 7076463500 ext. 3524

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

1006 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 446-2800

1010 Nut Tree Rd
Ste 100B
Vacaville, CA 95687
Phone (707) 646-7999

101 Main St
Winters, CA 95694
Phone (530) 795-4123

Interoperability endpoints

  • FHIR API: https://fhir-myrecord.cerner.com/r4/UMZ-Uxn6V9x08sH5gCnG-5yPg9ZX7et6/

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

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": "1150934400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1438300800000",
    "number": "1700822160",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5140 BUSINESS CENTER DR",
            "address_2": "SUITE 180",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945341793",
            "telephone_number": "707-646-3555",
            "fax_number": "707-646-3556"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5140 BUSINESS CENTER DR",
            "address_2": "SUTIE 180",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945341793",
            "telephone_number": "707-646-3555",
            "fax_number": "707-646-3556"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AL SAMMAN",
        "first_name": "MOUNZER",
        "middle_name": "B.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-22",
        "last_updated": "2015-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A50016",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairfield, CA

Sources for this page

Verify at the official NPI Registry.