Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Ryan Haag, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1831775899

Ryan Haag, DO practises Anesthesiology in Flagstaff, Arizona. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2021, 5 years ago. Practices with Northern Arizona Healthcare Corporation, a 395-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
5
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
AZ
In the registry since
2021
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Flagstaff, AZ

No coordinates on file. Search this address in Google Maps

Additional practice locations (1)

  • 1402 S Grand Blvd Rm M260, Saint Louis, MO 63104-1004 — (989) 450-9569

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 63110 (AZ)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1831775899
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 21, 2021
Last updated in NPPESJune 12, 2025
Certification dateJune 12, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 2021 (5 years in practice)
Group practice Northern Arizona Healthcare Corporation — 395 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Northern Arizona Healthcare Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 395 clinicians in the practice; 12 are shown here.

Other providers in Flagstaff