Decerie Baculi Dayag, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A169662 Issued in CA

Practice address

811 E 11TH St Ste 208
Upland, CA 91786-4872

Phone

(909) 985-0883

Fax

(909) 985-5762

NPI assigned

Jul 4, 2017

Last updated

Dec 18, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

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

Specialty

Internal Medicine

Education

Other, 2014

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Namita Mohideen MD Inc

  • Primary Care Clinic/Center
  • Fontana, CA
  • NPI 1649546144

  Multi-Specialty

  Medicare reassignment NPD
• Golden State Primary Care Inc

  • General Practice Physician
  • Fontana, CA
  • NPI 1124987201

  Multi-Specialty

  NPD (past)

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

{
    "created_epoch": "1499126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766016000000",
    "number": "1336660901",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16465 SIERRA LAKES PKWY STE 115",
            "city": "FONTANA",
            "state": "CA",
            "postal_code": "923361242",
            "telephone_number": "909-823-8000",
            "fax_number": "909-823-8088"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "811 E 11TH ST STE 208",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917864872",
            "telephone_number": "909-985-0883",
            "fax_number": "909-985-5762"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAYAG",
        "first_name": "DECERIE",
        "middle_name": "BACULI",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2017-07-04",
        "last_updated": "2025-12-18",
        "certification_date": "2025-12-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A169662",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dale L Davis, M.D.
• Josh-Shua Davis, BA
• Dawn M Terashita, PC
• Dawson Dialysis LLC
• Theresa Dawson
• Daystar Medical Corporation (Foothill Medical Clinic)
• Michelle Angela Dazalla, LMFT
• Tiffany De Jesus
• Sabrina Serah De Leon
• Megan Dean, RN, IBCLC

• Internal Medicine Physician in Upland, CA
• Providers in Upland, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 18, 2025; 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.

Verify at the official NPI Registry.