Mark Oxman, DO
NPI 1417921958 · Nephrology Physician · Dayton, OH
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Oxman, DO is a Nephrology Physician provider in Dayton, OH (NPI 1417921958).
Provider details
- NPI number
- 1417921958
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 34004120 (OH)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,465 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) |
|---|---|---|
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 234 | $286 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 228 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 220 | $87 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 174 | $74 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 166 | $346 |
| Home Dialysis Services Per Month (20 Years Or Older) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 158 | 59 |
| Nifedipinebrand: Nifedipine Er | 156 | 61 |
| Carvedilol | 147 | 51 |
| Torsemide | 132 | 58 |
| Furosemide | 123 | 38 |
| Calcitriol | 119 | 34 |
| Amlodipine Besylate | 117 | 44 |
| Sevelamer Carbonate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$251 across 17 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
Additional practice locations (1)
- 165 S Edwin C Moses BlvdDayton, OH 45402-8472Phone: (937) 558-0200Fax: (937) 558-0201
Registry dates
- Enumerated
- 2006-02-13
- Last updated
- 2022-04-12
- Certified
- 2022-04-12
Frequently asked questions
- What is Mark Oxman's NPI number?
- Mark Oxman's National Provider Identifier (NPI) is 1417921958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Oxman's specialty?
- Mark Oxman is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Oxman located?
- Mark Oxman's practice location on file with NPPES is 7700 Washington Village Dr, Dayton, OH 45459.
- What is Mark Oxman's phone number?
- The practice phone number listed in the NPPES registry for Mark Oxman is (937) 438-3132.
- Does Mark Oxman accept Medicare?
- Mark Oxman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Oxman's NPI active?
- Yes — Mark Oxman's NPI (1417921958) is active in the NPPES registry as of the last update on 2022-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.