Ian Dunn, M.D.
NPI 1346400090 · Neurological Surgery Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Dunn, M.D. is a Neurological Surgery Physician provider in Oklahoma City, OK (NPI 1346400090).
Provider details
- NPI number
- 1346400090
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 237075 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
172 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 66 | $200 |
| Computer-Assisted Procedure Inside Brain61781 | 31 | $215 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $119 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 20 | $77 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $160 |
| Microscopic Genetic Analysis of Tumor, Using Computer-Assisted Technology88361 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-16
- Last updated
- 2022-05-02
- Certified
- 2022-05-02
Frequently asked questions
- What is Ian Dunn's NPI number?
- Ian Dunn's National Provider Identifier (NPI) is 1346400090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Dunn's specialty?
- Ian Dunn is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Dunn located?
- Ian Dunn's practice location on file with NPPES is 1000 N Lincoln Blvd # 4000, Oklahoma City, OK 73104-3252.
- What is Ian Dunn's phone number?
- The practice phone number listed in the NPPES registry for Ian Dunn is (405) 271-8299.
- Does Ian Dunn accept Medicare?
- Ian Dunn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Dunn's NPI active?
- Yes — Ian Dunn's NPI (1346400090) is active in the NPPES registry as of the last update on 2022-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.