Active NPI
Ryan Haag, DO
- Anesthesiology Physician
- Flagstaff, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 63110
- Practice address
- 1200 N Beaver St
Flagstaff, AZ 86001-3118 - Phone
- (928) 779-3366
- NPI assigned
- Mar 21, 2021
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Anesthesiology Physician | 207L00000X | 63110 | AZ | Primary |
Addresses
Primary practice location
1200 N Beaver St
Flagstaff, AZ 86001-3118
Mailing address
1388 M 61
Sterling, MI 48659-9624
Phone (989) 450-9569
Other practice location 1
1402 S Grand Blvd Rm M260
Saint Louis, MO 63104-1004
Phone (989) 450-9569
Medicare participation
Medicare enrollment files- 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- At Still University of Health Sciences, College of Osteo Med, Kirksville, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1200 N Beaver St
Flagstaff, AZ 86001-3118
Phone (928) 779-3366
1215 N Beaver St
Suite 203
Flagstaff, AZ 86001-3126
Phone (928) 773-2249
2000 S Thompson St
Flagstaff, AZ 86001-8759
Phone (928) 226-6400
269 S Candy LN
Cottonwood, AZ 86326-4158
Phone (928) 639-6000
7810 N US Hwy 89
Flagstaff, AZ 86004-6255
Phone (928) 522-8375
Hospital & facility affiliations
- Flagstaff Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 63110 | AZ | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northern Arizona Healthcare Corporation | Anesthesiology | Current | Accepting new patients |
| Northern Arizona Healthcare Corporation | Current | Accepting new patients |
Locations
269 S Candy Ln
Cottonwood, AZ 86326
Phone (928) 634-2251
1215 N Beaver St
Ste 203
Flagstaff, AZ 86001
Phone (928) 773-2249
1200 N Beaver St
Flagstaff, AZ 86001
Phone (928) 213-6235
Organizations & group practices 2
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.
-
- Family Medicine Physician
- Flagstaff, AZ
- NPI 1669914552
Anesthesiology
-
- Multi-Specialty Clinic/Center
- Flagstaff, AZ
- NPI 1235732702
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Psychiatric Hospital Unit
- Flagstaff, AZ
- NPI 1649370875
-
- General Acute Care Hospital
- Flagstaff, AZ
- NPI 1780635078
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1616284800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749686400000",
"number": "1831775899",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1388 M 61",
"city": "STERLING",
"state": "MI",
"postal_code": "486599624",
"telephone_number": "989-450-9569"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1200 N BEAVER ST",
"city": "FLAGSTAFF",
"state": "AZ",
"postal_code": "860013118",
"telephone_number": "928-779-3366"
}
],
"practiceLocations": [
{
"address_1": "1402 S Grand Blvd Rm M260",
"address_purpose": "LOCATION",
"city": "Saint Louis",
"state": "MO",
"postal_code": "631041004",
"country_code": "US",
"telephone_number": "989-450-9569",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HAAG",
"first_name": "RYAN",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-03-21",
"last_updated": "2025-06-12",
"certification_date": "2025-06-12",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "AZ",
"license": "63110",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Flagstaff, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 12, 2025; 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.