Mark Olsen, DPM
NPI 1124330436 · Foot & Ankle Surgery Podiatrist · Mesa, AZ
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Olsen, DPM is a Foot & Ankle Surgery Podiatrist provider in Mesa, AZ (NPI 1124330436).
Provider details
- NPI number
- 1124330436
- Entity type
- Individual
- Primary specialty
- Foot & Ankle Surgery PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- DPM
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0762 (AZ)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Podiatric Medicine & Surgery Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 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
1,787 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 821 | $82 |
| X-Ray of Foot, Minimum of 3 Views73630 | 201 | $30 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 183 | $40 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 147 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $114 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Terbinafine Hcl | 56 | 41 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 37 | 25 |
| Silver Sulfadiazinebrand: Ssd | 36 | 26 |
| Gabapentin | 36 | — |
| Ciclopirox | 34 | 22 |
| Ketoconazole | 23 | 19 |
| Meloxicam | 21 | — |
| Silver Sulfadiazine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$150 across 8 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
- 2010-07-02
- Last updated
- 2014-09-04
Frequently asked questions
- What is Mark Olsen's NPI number?
- Mark Olsen's National Provider Identifier (NPI) is 1124330436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Olsen's specialty?
- Mark Olsen is listed in the NPPES registry with a primary specialty of Foot & Ankle Surgery Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Mark Olsen located?
- Mark Olsen's practice location on file with NPPES is 220 N Stapley Dr, Mesa, AZ 85203-8057.
- What is Mark Olsen's phone number?
- The practice phone number listed in the NPPES registry for Mark Olsen is (480) 833-5966.
- Does Mark Olsen accept Medicare?
- Mark Olsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Olsen's NPI active?
- Yes — Mark Olsen's NPI (1124330436) is active in the NPPES registry as of the last update on 2014-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.