Michael Wietmarschen, AT
NPI 1457434508 · Surgical Physician Assistant · Columbus, OH
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Wietmarschen, AT is a Surgical Physician Assistant provider in Columbus, OH (NPI 1457434508).
Provider details
- NPI number
- 1457434508
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AT
- Sex
- Male
- Sole proprietor
- No
- License
- AT002804 (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
553 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 | 153 | $75 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 144 | $66 |
| X-Ray of Knee, 1-2 Views73560 | 124 | $27 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 26 | $172 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis27130 | 25 | $173 |
| X-Ray of Hip, 2-3 Views73502 | 25 |
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 |
|---|---|---|
| Amoxicillin | 170 | 81 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 97 | 50 |
| Clindamycin Hcl | 31 | 17 |
| Methocarbamol | 31 | 16 |
| Mupirocin | 29 | 28 |
| Ibuprofen | 27 | 12 |
| Doxycycline Hyclate | 18 | — |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (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
- 2006-10-23
- Last updated
- 2022-01-25
Frequently asked questions
- What is Michael Wietmarschen's NPI number?
- Michael Wietmarschen's National Provider Identifier (NPI) is 1457434508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Wietmarschen's specialty?
- Michael Wietmarschen is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Wietmarschen located?
- Michael Wietmarschen's practice location on file with NPPES is 323 E Town St, Columbus, OH 43215-4767.
- What is Michael Wietmarschen's phone number?
- The practice phone number listed in the NPPES registry for Michael Wietmarschen is (614) 461-8714.
- Does Michael Wietmarschen accept Medicare?
- Michael Wietmarschen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Wietmarschen's NPI active?
- Yes — Michael Wietmarschen's NPI (1457434508) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.