Ryan Kretzer, M.D.
NPI 1861545766 · Neurological Surgery Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Kretzer, M.D. is a Neurological Surgery Physician provider in Tucson, AZ (NPI 1861545766).
Provider details
- NPI number
- 1861545766
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- P19038 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
468 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 99 | $173 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 92 | $211 |
| Fusion of Additional Segment of Spine22614 | 74 | $362 |
| Computer-Assisted Spinal Procedure61783 | 56 | $212 |
| Fusion of Spine in Lower Back22612 | 34 | $1,451 |
| Placement of Stabilizing Device to Back, 3-6 Spine Bone Segments22842 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$31,322 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-22
- Last updated
- 2013-02-08
Frequently asked questions
- What is Ryan Kretzer's NPI number?
- Ryan Kretzer's National Provider Identifier (NPI) is 1861545766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Kretzer's specialty?
- Ryan Kretzer is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Kretzer located?
- Ryan Kretzer's practice location on file with NPPES is 6567 E Carondelet Dr, Tucson, AZ 85710-6152.
- What is Ryan Kretzer's phone number?
- The practice phone number listed in the NPPES registry for Ryan Kretzer is (520) 881-8400.
- Does Ryan Kretzer accept Medicare?
- Ryan Kretzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Kretzer's NPI active?
- Yes — Ryan Kretzer's NPI (1861545766) is active in the NPPES registry as of the last update on 2013-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.