Mark Vercel, D.O.
NPI 1386902450 · Rheumatology Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Vercel, D.O. is a Rheumatology Physician provider in Sioux Falls, SD (NPI 1386902450).
Provider details
- NPI number
- 1386902450
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 11620 (SD)
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
14 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
931 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 422 | $94 |
| 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 | 324 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 85 | $140 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 51 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 32 | $63 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 400 | 84 |
| Prednisone | 334 | 111 |
| Methotrexate Sodiumbrand: Methotrexate | 280 | 69 |
| Allopurinol | 164 | 32 |
| Methylprednisolone | 111 | 61 |
| Tocilizumabbrand: Actemra Actpen | 86 | 12 |
| Leflunomide | 77 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,241 across 11 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)
- 761 45th AveSte. 103Munster, IN 46321-2893Phone: (219) 922-3002Fax: (219) 922-3003
Registry dates
- Enumerated
- 2012-04-26
- Last updated
- 2020-11-25
- Certified
- 2020-11-25
Frequently asked questions
- What is Mark Vercel's NPI number?
- Mark Vercel's National Provider Identifier (NPI) is 1386902450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Vercel's specialty?
- Mark Vercel is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Vercel located?
- Mark Vercel's practice location on file with NPPES is 6100 S Louise Ave Ste 1130, Sioux Falls, SD 57108-6030.
- What is Mark Vercel's phone number?
- The practice phone number listed in the NPPES registry for Mark Vercel is (605) 504-1600.
- Does Mark Vercel accept Medicare?
- Mark Vercel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Vercel's NPI active?
- Yes — Mark Vercel's NPI (1386902450) is active in the NPPES registry as of the last update on 2020-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.