Mark Oertel, MD
NPI 1861703860 · Endocrinology, Diabetes & Metabolism Physician · Lawrence, KS
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Oertel, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Lawrence, KS (NPI 1861703860).
Provider details
- NPI number
- 1861703860
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0436669 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
1,649 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) |
|---|---|---|
| Hemoglobin A1c Level83036 | 328 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 323 | $119 |
| Diabetes Outpatient Self-Management Training Services, Individual, Per 30 MinutesG0108 | 296 | $50 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 252 | $167 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 225 | $32 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 148 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 442 | 118 |
| Semaglutidebrand: Ozempic | 314 | 73 |
| Metformin Hcl | 218 | 69 |
| Tirzepatidebrand: Mounjaro | 179 | 39 |
| Metformin Hclbrand: Metformin Hcl Er | 151 | 45 |
| Insulin Degludecbrand: Tresiba Flextouch U-100 | 143 | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$423 across 19 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
- 2010-06-24
- Last updated
- 2026-05-12
- Certified
- 2026-05-12
Frequently asked questions
- What is Mark Oertel's NPI number?
- Mark Oertel's National Provider Identifier (NPI) is 1861703860, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Oertel's specialty?
- Mark Oertel is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Oertel located?
- Mark Oertel's practice location on file with NPPES is 6265 Rock Chalk Dr Ste 2700, Lawrence, KS 66049-5232.
- What is Mark Oertel's phone number?
- The practice phone number listed in the NPPES registry for Mark Oertel is (785) 505-5885.
- Does Mark Oertel accept Medicare?
- Mark Oertel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Oertel's NPI active?
- Yes — Mark Oertel's NPI (1861703860) is active in the NPPES registry as of the last update on 2026-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.