Abbass Shafii, M.D.

Primary specialty

SpecialistTaxonomy code 174400000X

License

34460 Issued in CO

Practice address

28078 Baxter Rd Ste 530
Murrieta, CA 92563-1405

Phone

(951) 303-3718

Fax

(951) 698-0272

NPI assigned

May 4, 2006

Last updated

Jan 7, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CO, CA2 enrollments

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 2

Specialty

Gastroenterology

Education

Other, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

United Medical DoctorsGroup PAC ID 2961305651, 168 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/9170/brand/1/csg/1/fhir/r4

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.

• United Medical Doctors

  • Gastroenterology Physician
  • Murrieta, CA
  • NPI 1770559981

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Optumcare Colorado Medical Group LLC

  dba Optum Colorado Springs

  • General Practice Physician
  • Colorado Springs, CO
  • NPI 1407252828

  Multi-Specialty

  Medicare reassignment NPD
• Peak Gastroenterology Associates

  • Gastroenterology Physician
  • Colorado Springs, CO
  • NPI 1023112117

  Multi-Specialty

  Medicare reassignment NPD
• Digestive Disease Endoscopy Center

  • Ambulatory Surgical Clinic/Center
  • Colorado Springs, CO
  • NPI 1407993132
  NPD (past) Authorized official
• United Medical Doctors

  • Orthopaedic Surgery Physician
  • San Diego, CA
  • NPI 1194554675

  Multi-Specialty

  NPD
• Optumcare Colorado Medical Group LLC

  dba Colorado Center for Arthritis & Osteoporosis

  • Rheumatology Physician
  • Boulder, CO
  • NPI 1922893478
  NPD

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

{
    "created_epoch": "1146700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1548218662",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "28078 BAXTER RD STE 530",
            "city": "MURRIETA",
            "state": "CA",
            "postal_code": "925631405",
            "telephone_number": "951-303-3718",
            "fax_number": "951-698-0272"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "28078 BAXTER RD STE 530",
            "city": "MURRIETA",
            "state": "CA",
            "postal_code": "925631405",
            "telephone_number": "951-303-3718",
            "fax_number": "951-698-0272"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHAFII",
        "first_name": "ABBASS",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-05-04",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CO",
            "license": "34460",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "C174764",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marissa Serrato
• Desiree Session
• Lindsey Marie Sethman, FNP
• Ashwin Sewdarsen
• Shabaz Sandhu Oral Surgery, Inc.
• William Leslie Shagena, PHARM D
• Nemi Mehul Shah
• Elisabete Sharp, M.D.
• Linda K Sharples, LMFT
• Jaclyn Marie Shasha, M.S.

• Specialist in Murrieta, CA
• Providers in Murrieta, CA by specialty
• Specialist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 7, 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.