Individual provider Active NPI

Daniel T Lyman, D.O.

  • Critical Care Medicine (Internal Medicine) Physician
  • Chandler, AZ
National Provider Identifier
1235543943
Registry record updated Apr 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
008799 Issued in AZ
Practice address
1955 W Frye Rd
Chandler, AZ 85224-6282
Phone
(480) 728-3000
Fax
(602) 230-6461
NPI assigned
Jun 20, 2014
Last updated
Apr 7, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 7, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 008799 AZ
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 008799 AZ Primary

Addresses

Primary practice location

1955 W Frye Rd
Chandler, AZ 85224-6282

Mailing address

PO Box 33269
Phoenix, AZ 85067-3269
Phone (602) 406-4786

Other practice location 1

3555 S Val Vista Dr
Gilbert, AZ 85297-7323
Phone (480) 909-3870

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, AZ, UT3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20200224002833 CA Practitioner - Emergency Medicine 0749550911 Reassigns benefits to 1 organization
I20210708002059 AZ Practitioner - Critical Care (Intensivists) 0749550911 Reassigns benefits to 3 organizations
I20250907000299 UT Practitioner - Critical Care (Intensivists)Practitioner - Emergency Medicine 0749550911 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Catholic Health Initiatives ColoradoGroup PAC ID 8022927342, 1,230 clinicians

Practice addresses (Care Compare)

11234 Anderson St
Loma Linda, CA 92354-2804

25455 Barton Rd
Suite 108a
Loma Linda, CA 92354-3139
Phone (909) 558-4000

3000 N Triumph Blvd
Suite 100
Lehi, UT 84043-7186
Phone (385) 345-3555

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
008799AZMDEmergency Medicine Physician
17388CAMDOccupational Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Arizona Acute Medical Services 1 PC CurrentSince Dec 1, 2021 Accepting new patients
Faculty Physicians and Surgeons of Llusm Current Accepting new patients
Emergency Group of Arizona Professional Corporation Emergency Medicine CurrentSince Nov 1, 2021 Accepting new patients
St. Joseph's Hospital and Medical Center CurrentSince Aug 30, 2020 Accepting new patients
Sjhmc Physician Services CurrentSince Aug 1, 2021 Accepting new patients
Faculty Physicians and Surgeons of Llusm CurrentSince Jan 16, 2020 Accepting new patients
Catholic Health Initiatives Colorado CurrentSince Sep 1, 2025 Accepting new patients
Catholic Health Initiatives Colorado CurrentSince Sep 1, 2025 Accepting new patients
Catholic Health Initiatives Colorado Current Accepting new patients

Locations

1955 W Frye Rd
Chandler, AZ 85224
Phone (480) 507-2961

3555 S Val Vista Dr
Gilbert, AZ 85297
Phone (480) 434-4356

5555 W Thunderbird Rd
Glendale, AZ 85306
Phone (602) 588-5555

1111 E McDowell Rd
Phoenix, AZ 85006
Phone (602) 239-2000

1930 E Thomas Rd
Phoenix, AZ 85016
Phone (602) 532-1000

2000 W Bethany Home Rd
Phoenix, AZ 85015
Phone (480) 209-4000

3030 N Central Ave
Ste 1001
Phoenix, AZ 85012

3929 E Bell Rd
Phoenix, AZ 85032
Phone (602) 923-5000

500 W Thomas Rd
Ste 680
Phoenix, AZ 85013
Phone (602) 406-6017

16815 W Bell Rd
Surprise, AZ 85374
Phone (623) 244-2400

File 56765
Los Angeles, CA 90074

File Number 54701
Los Angeles, CA 90074
Phone (909) 651-4300

28078 Baxter Rd
Murrieta, CA 92563
Phone (951) 290-4000

5000 Hopyard Rd
Ste 100
Pleasanton, CA 94588
Phone (480) 861-4015

9100 E Mineral Cir
Centennial, CO 80112
Phone (303) 561-5193

1643 NW 136th Ave
Ste 100
Sunrise, FL 33323
Phone (865) 500-1325

3000 N Triumph Blvd
Ste 100
Lehi, UT 84043
Phone (385) 345-3155

82 S 1100 E
Ste 103
Salt Lake Cty, UT 84102
Phone (801) 505-5370

Interoperability endpoints

  • Direct secure messaging: dlyman278054@direct.llu.edu

Organizations & group practices 9

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1403222400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775520000000",
    "number": "1235543943",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 33269",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850673269",
            "telephone_number": "602-406-4786",
            "fax_number": "916-636-4358"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1955 W FRYE RD",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852246282",
            "telephone_number": "480-728-3000",
            "fax_number": "602-230-6461"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3555 S Val Vista Dr",
            "address_purpose": "LOCATION",
            "city": "Gilbert",
            "state": "AZ",
            "postal_code": "852977323",
            "country_code": "US",
            "telephone_number": "480-909-3870",
            "fax_number": "480-728-9616",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LYMAN",
        "first_name": "DANIEL",
        "middle_name": "T",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-06-20",
        "last_updated": "2026-04-07",
        "certification_date": "2026-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "008799",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "AZ",
            "license": "008799",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chandler, AZ

Sources for this page

Verify at the official NPI Registry.