Robin L Obenchain, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

35188 Issued in AZ

Practice address

1110 S Dobson Rd Ste 1
Chandler, AZ 85286-6164

Phone

(623) 238-7540

Fax

(480) 899-5216

NPI assigned

Apr 7, 2006

Last updated

Feb 23, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in AZ

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

Medical Oncology

Education

Virginia Commonwealth University, School of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Honorhealth AmbulatoryGroup PAC ID 5991603110, 630 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Honor Health John C. Lincoln Medical Center Hospital, Phoenix, AZ, CCN 030014
• Chandler Regional Medical Center Hospital, Chandler, AZ, CCN 030036
• Honorhealth Scottsdale Osborn Medical Center Hospital, Scottsdale, AZ, CCN 030038

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: robenchain124137@direct.honorhealth.com

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.

• Honorhealth Ambulatory

  dba HonorHealth Research Institute

  • Hematology & Oncology Physician
  • Scottsdale, AZ
  • NPI 1407050917
  Medicare reassignment Care Compare group NPD
• Honorhealth Ambulatory

  • Cardiovascular Disease Physician
  • Scottsdale, AZ
  • NPI 1275833915
  NPD
• Honorhealth Ambulatory

  • Emergency Medicine Physician
  • Mesa, AZ
  • NPI 1891518130
  NPD
• Privia Medical Group Arizona, LLC

  • Family Medicine Physician
  • Payson, AZ
  • NPI 1740459700
  NPD (past)
• Scottsdale Healthcare

  • Corporate Health Clinic/Center
  • Scottsdale, AZ
  • NPI 1447402870
  NPD (past)

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

• Dignity Community Care

  dba Chandler Regional Medical Center

  • General Acute Care Hospital
  • Chandler, AZ
  • NPI 1700910189
  Care Compare affiliation
• Honorhealth

  dba HonorHealth John C. Lincoln Medical Center

  • General Acute Care Hospital
  • Phoenix, AZ
  • NPI 1770690695
  Care Compare affiliation
• Honorhealth

  dba HonorHealth Scottsdale Osborn Medical Center

  • General Acute Care Hospital
  • Scottsdale, AZ
  • NPI 1811951429
  Care Compare affiliation

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

{
    "created_epoch": "1144368000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1508829094",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1110 S DOBSON RD STE 1",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852866164",
            "telephone_number": "623-238-7540",
            "fax_number": "480-899-5216"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1110 S DOBSON RD STE 1",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852866164",
            "telephone_number": "623-238-7540",
            "fax_number": "480-899-5216"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBENCHAIN",
        "first_name": "ROBIN",
        "middle_name": "L",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-07",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AZ",
            "license": "35188",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AHCCCS",
            "identifier": "98954",
            "state": "AZ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00346160",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Oak Grove Pediatric Therapy
• Katherine Oakenshield, LMFT
• Oasis Christian Counseling
• Oasis Family Medicine, PLLC
• Oasis Sleep Center LLC
• Nicole Oberbillig, PA-C
• Julie Oberlin, LPC
• Obhg Arizona, P.C.
• Udoamaka Obiekea
• Rachel Marie Ocampo Hoogasian, PHD

• Hematology & Oncology Physician in Chandler, AZ
• Providers in Chandler, AZ by specialty
• Hematology & Oncology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 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.