Individual provider Active NPI

John B Chastain, MD

  • Otolaryngology Physician
  • Tucson, AZ
National Provider Identifier
1801915715
Registry record updated Aug 12, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
51562 Issued in AZ
Practice address
2121 N Craycroft Rd BLDG 5
Tucson, AZ 85712-2801
Phone
(520) 296-8500
Fax
(520) 733-2389
NPI assigned
Mar 29, 2007
Last updated
Aug 12, 2019By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 12, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X 51562 AZ Primary

Addresses

Primary practice location

2121 N Craycroft Rd BLDG 5
Tucson, AZ 85712-2801

Mailing address

2121 N Craycroft Rd BLDG 5
Tucson, AZ 85712-2801
Phone (520) 296-8500

Other practice location 1

1358 W. Orange Grove
Tucson, AZ 85704
Phone (520) 575-1272

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ, TX2 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

Enrollment IDStateProvider typePAC IDDetails
I20160308000757 AZ Practitioner - Otolaryngology 3779682125 Reassigns benefits to 3 organizations
I20180201000963 TX Practitioner - Otolaryngology 3779682125 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
Medical College of Georgia School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Neurological Associates of TucsonGroup PAC ID 5092709527, 60 clinicians
Tucson E.N.T. Associates, P.C.Group PAC ID 9931093853, 15 clinicians

Practice addresses (Care Compare)

103 Medicine Way Rd
Peridot, AZ 85542-0787
Phone (928) 475-1400

1358 W Orange Grove Rd
Tucson, AZ 85704-2901
Phone (520) 575-1272

2121 N Craycroft Rd
BLDG 5
Tucson, AZ 85712-2801
Phone (520) 296-8500

2450 E River Rd
Tucson, AZ 85718-6522

2450 E River Rd
Tucson, AZ 85718-6526
Phone (520) 795-7750

P O Box
Suite 787
Peridot, AZ 85542-0787

PO Box
Suite 787
Peridot, AZ 85542-0787

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.8 of 100Reported as apm
Quality
77.6
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Skin biopsy1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Children's Clinics for Rehabilitative Services CurrentSince Jul 1, 2016 Accepting new patients
Tucson E.N.T. Associates, P.C. Otolaryngology CurrentSince Apr 18, 2016 Accepting new patients
San Carlos Apache Healthcare Corporation Current Accepting new patients
San Carlos Apache Healthcare Corporation CurrentSince Jan 19, 2018 Accepting new patients
Neurological Associates of Tucson CurrentSince Jun 1, 2025 Accepting new patients
Tucson E.N.T. Associates, P.C. Otolaryngology Past Accepting new patients
Tucson E.N.T. Associates, P.C. Otolaryngology Past Accepting new patients

Locations

103 Medicine Way Rd
Peridot, AZ 85542
Phone (928) 475-1200

1600 S 20th Ave
Safford, AZ 85546
Phone (928) 348-4000

1358 W Orange Grove Rd
Tucson, AZ 85704
Phone (520) 296-8500

2121 N Craycroft Rd
Bldg 5
Tucson, AZ 85712
Phone (520) 296-8500

2450 E River Rd
Tucson, AZ 85718
Phone (520) 795-7750

2600 N Wyatt Dr
Tucson, AZ 85712
Phone (520) 324-3600

6320 N La Cholla Blvd
Ste 300
Tucson, AZ 85741
Phone (520) 545-0953

6567 E Carondelet Dr
Ste 515
Tucson, AZ 85710
Phone (520) 296-8500

Organizations & group practices 7

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 5

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": "1175126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1565568000000",
    "number": "1801915715",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2121 N CRAYCROFT RD BLDG 5",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857122801",
            "telephone_number": "520-296-8500",
            "fax_number": "520-733-2389"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2121 N CRAYCROFT RD BLDG 5",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857122801",
            "telephone_number": "520-296-8500",
            "fax_number": "520-733-2389"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1358 W. Orange Grove",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "85704",
            "country_code": "US",
            "telephone_number": "520-575-1272",
            "fax_number": "520-575-1789",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHASTAIN",
        "first_name": "JOHN",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-29",
        "last_updated": "2019-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "AZ",
            "license": "51562",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tucson, AZ

Sources for this page

Verify at the official NPI Registry.