Individual provider Active NPI

Fan Mo, DO

  • Sleep Medicine (Internal Medicine) Physician
  • Sunnyvale, CA
National Provider Identifier
1083111405
Registry record updated Jun 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X
License
20A17752 Issued in CA
Practice address
1309 S Mary Ave
Sunnyvale, CA 94087-3050
Phone
(408) 523-3460
NPI assigned
Apr 11, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 20A17752 CA
Sleep Medicine (Internal Medicine) Physician 207RS0012X 20A17752 CA Primary

Addresses

Primary practice location

1309 S Mary Ave
Sunnyvale, CA 94087-3050

Mailing address

PO Box 276950
Sacramento, CA 95827-6950

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
I20220919001385 CA Practitioner - Sleep MedicinePractitioner - Internal Medicine 5193100709 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Sleep MedicineAlso: Internal Medicine
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

370 Distel Cir
Los Altos, CA 94022-1404
Phone (650) 254-5200

Merit-based Incentive Payment System (MIPS)

Final score
93.01 of 100Reported as group
Quality
76.71
Promoting interoperability
100
Improvement activities
40
Cost
74

Merit-based Incentive Payment System (MIPS)

Final score
92.04 of 100Reported as group
Quality
78.62
Promoting interoperability
100
Improvement activities
40
Cost
75.31

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A17752CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation CurrentSince Jun 23, 2025 Accepting new patients
Sutter Bay Medical Foundation Current Accepting new patients
University Faculty Associates, Inc. Internal Medicine CurrentSince Apr 1, 2023 Accepting new patients
Community Health Partners CurrentSince Jul 25, 2022 Accepting new patients
University Faculty Associates , Inc. CurrentSince Apr 1, 2023 Accepting new patients
Sutter East Bay Medical Foundation Internal Medicine Past Accepting new patients

Locations (25 of 27)

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920

2755 Herndon Ave
Clovis, CA 93611
Phone (559) 323-4000

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

6733 N Willow Ave
Ste 107
Fresno, CA 93710
Phone (559) 435-4700

2335 E Kashian Ln
Ste 240
Fresno, CA 93701
Phone (559) 320-0545

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

7257 N Fresno St
Fresno, CA 93720
Phone (559) 447-4050

45 E River Park Pl W
Ste 104
Fresno, CA 93720
Phone (559) 320-0550

155 N Fresno St
Fresno, CA 93701
Phone (559) 499-6440

2823 Fresno St
Fresno, CA 93721
Phone (559) 459-3965

2335 E Kashian Ln
Ste 410
Fresno, CA 93701
Phone (559) 266-4100

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750

10200 Trinity Pkwy
Ste 101
Stockton, CA 95219
Phone (209) 323-3488

1309 S Mary Ave
Ste 200
Sunnyvale, CA 94087
Phone (408) 523-3460

1309 S Mary Ave
Sunnyvale, CA 94087
Phone 4082523000 ext. 61253

Interoperability endpoints

  • Direct secure messaging: fmo735851@hisp.ehr.sutterhealth.org

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.

NPI Registry JSON

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

{
    "created_epoch": "1523404800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1083111405",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 276950",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958276950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1309 S MARY AVE",
            "city": "SUNNYVALE",
            "state": "CA",
            "postal_code": "940873050",
            "telephone_number": "408-523-3460"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MO",
        "first_name": "FAN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-04-11",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "20A17752",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "CA",
            "license": "20A17752",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sunnyvale, CA

Sources for this page

Verify at the official NPI Registry.