NPIMap

Individual provider Active NPI

Alison Joyce Tammany, M.D.

  • Colon & Rectal Surgery Physician
  • Salinas, CA
National Provider Identifier
1821484130
Registry record updated Aug 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X
License
A177258 Issued in CA
Practice address
236 San Jose St
Salinas, CA 93901-3901
Phone
(831) 424-7389
NPI assigned
Apr 13, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 3, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X A177258 CA
Colon & Rectal Surgery Physician 208C00000X A177258 CA Primary

Addresses

Primary practice location

236 San Jose St
Salinas, CA 93901-3901

Mailing address

100 Wilson Rd Ste 100
Monterey, CA 93940-7885

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220815003014 CA Practitioner - General Surgery 1850693847 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Svmhs ClinicsGroup PAC ID 1456592351, 258 clinicians

Practice addresses (Care Compare)

236 San Jose St
Salinas, CA 93901-3901
Phone (831) 424-7389

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy33
Hernia repair - groin (open)1-10
Coronary artery bypass graft (CABG)1-10
Removal of tissue1-10
Skin biopsy1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Svmhs Clinics CurrentSince Sep 1, 2022 Accepting new patients
Svmhs Clinics CurrentSince Sep 1, 2022 Accepting new patients
Lancelot O Alexander MD a Medical Corporation Past Accepting new patients

Locations

100 Wilson Rd
Ste 100
Monterey, CA 93940
Phone (831) 242-8301

236 San Jose St
Salinas, CA 93901
Phone (831) 422-2666

1033 Los Palos Dr
Salinas, CA 93901
Phone (831) 424-2866

Interoperability endpoints

  • Direct secure messaging: atammany17608@direct.svmh.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.

Hospital & facility affiliations 9

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": "1428883200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785715200000",
    "number": "1821484130",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 WILSON RD STE 100",
            "city": "MONTEREY",
            "state": "CA",
            "postal_code": "939407885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "236 SAN JOSE ST",
            "city": "SALINAS",
            "state": "CA",
            "postal_code": "939013901",
            "telephone_number": "831-424-7389"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAMMANY",
        "first_name": "ALISON",
        "middle_name": "JOYCE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-13",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A177258",
            "primary": false
        },
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "CA",
            "license": "A177258",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Salinas, CA

Sources for this page

Verify at the official NPI Registry.