Quick answers
- Does Stephen L. Ritland accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen L. Ritland accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Stephen L. Ritland see?
- In 2024, CMS data shows 259 Original Medicare patients and 919 services for Stephen L. Ritland. This counts Original Medicare only and measures volume, not quality.
- What is Stephen L. Ritland's NPI number?
- 1346270832. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Stephen L. Ritland, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 259 |
|---|---|
| Services billed to Medicare | 919 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)115 services
- Insertion of cage or mesh device to spine bone and disc space during spine fusion (22853)107 services
- Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back (63052)70 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)64 services
- Placement of stabilizing device to back, 3-6 spine bone segments (22842)52 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Arthritis75%
- High blood pressure71%
- Ischemic heart disease30%
- Diabetes25%
- Depression24%
Hospitals where Stephen L. Ritland works
Medicare's Facility Affiliation Data lists Stephen L. Ritland at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Flagstaff Medical CenterFlagstaff, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030023
- Summit Healthcare Regional Medical CenterShow Low, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030062
- Verde Valley Medical CenterCottonwood, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030007
- Yavapai Regional Medical CenterPrescott, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030012
Practice locations
Addresses where Stephen L. Ritland is enrolled with Medicare (CMS data updated October 2, 2026).
- 107 E Oak Ave, Suite 101and201Flagstaff, AZ 86001 (928) 913‑8800
- 1200 N Beaver StFlagstaff, AZ 86001 (928) 779‑3366
Group practices
Medicare enrollment lists Stephen L. Ritland as a member of this group (CMS data updated October 2, 2026).
- Northern Arizona Healthcare Corporation385 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Flagstaff
Clinicians with the same Medicare primary specialty in Flagstaff, AZ — not a recommendation.
Other clinicians in Northern Arizona Healthcare Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1974 (52 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1346270832 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians