Nelson Concepcion De Guzman, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A73959 Issued in CA

Practice address

351 Hartnell Ave
Redding, CA 96002-1845

Phone

(530) 226-7524

Fax

(530) 226-7568

NPI assigned

Dec 22, 2005

Sex

Male

Sole proprietor

No

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, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Enloe Medical CenterGroup PAC ID 9739092388, 330 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Enloe Health Hospital, Chico, CA, CCN 050039
• Providence St Joseph Hospital Hospital, Eureka, CA, CCN 050006

Merit-based Incentive Payment System (MIPS)

Final score

81.49 of 100Reported as group

Quality

60.52

Promoting interoperability

100

Improvement activities

40

Cost

68.7

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ndeguzman15218@enloedirect.org

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.

• Enloe Medical Center

  • Urgent Care Clinic/Center
  • Chico, CA
  • NPI 1396753281
  Medicare reassignment Care Compare group NPD
• Enloe Medical Center

  • Community/Retail Pharmacy
  • Chico, CA
  • NPI 1912949538
  NPD
• Enloe Medical Center

  • Cardiovascular Disease Physician
  • Chico, CA
  • NPI 1720099328
  NPD (past)

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

• Enloe Medical Center

  • General Acute Care Hospital
  • Chico, CA
  • NPI 1417901091
  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  • Home Infusion Therapy Pharmacy
  • Eureka, CA
  • NPI 1568422319

  Hospital

  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  • General Acute Care Hospital
  • Eureka, CA
  • NPI 1609858950
  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  • General Acute Care Hospital
  • Eureka, CA
  • NPI 1891900635
  Care Compare affiliation

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

{
    "created_epoch": "1135209600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1982680781",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11481 SONORA TRL",
            "city": "REDDING",
            "state": "CA",
            "postal_code": "960038741",
            "telephone_number": "530-549-6691",
            "fax_number": "530-226-7568"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "351 HARTNELL AVE",
            "city": "REDDING",
            "state": "CA",
            "postal_code": "960021845",
            "telephone_number": "530-226-7524",
            "fax_number": "530-226-7568"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DE GUZMAN",
        "first_name": "NELSON",
        "middle_name": "CONCEPCION",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A73959",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Martin Andrew Dawson, NP
• John Earnest Day
• Travis Day
• Lang M Dayton, M.D.
• Sonja De Boer, PH.D., BCBA-D
• Sophia Charlotte De la Cerda
• Marci L De la Pena
• Meredith A De Lello, FNP
• James Anthony De Soto, M.D.
• Deborah a. Hagey a Servants Heart

• Internal Medicine Physician in Redding, CA
• Providers in Redding, 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 Jul 13, 2026; 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.