Mark Isaacson, D.O.
NPI 1144457474 · Orthopaedic Surgery Physician · Ankeny, IA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Isaacson, D.O. is a Orthopaedic Surgery Physician provider in Ankeny, IA (NPI 1144457474).
Provider details
- NPI number
- 1144457474
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 04680 (IA)
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
17 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
2,301 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) |
|---|---|---|
| X-Ray of Knee, 3 Views73562 | 340 | $37 |
| X-Ray of Hip, 2-3 Views73502 | 330 | $43 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 309 | $63 |
| X-Ray of Knee, 4 Or More Views73564 | 221 | $42 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 217 | $52 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 169 | $84 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mupirocin | 248 | 230 |
| Tramadol Hcl | 90 | 63 |
| Amoxicillin | 53 | 33 |
| Ibuprofen | 43 | 38 |
| Pregabalin | 41 | 39 |
| Meloxicam | 36 | 14 |
| Hydromorphone Hcl | 20 | 15 |
| Cyclobenzaprine Hcl | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$280 across 5 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
- 2009-06-13
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Mark Isaacson's NPI number?
- Mark Isaacson's National Provider Identifier (NPI) is 1144457474, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Isaacson's specialty?
- Mark Isaacson is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Isaacson located?
- Mark Isaacson's practice location on file with NPPES is 350 Ne 36th St, Ankeny, IA 50021-6728.
- What is Mark Isaacson's phone number?
- The practice phone number listed in the NPPES registry for Mark Isaacson is (515) 224-1414.
- Does Mark Isaacson accept Medicare?
- Mark Isaacson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Isaacson's NPI active?
- Yes — Mark Isaacson's NPI (1144457474) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.