Mark Thomas, MD
NPI 1629086277 · Internal Medicine Physician · Topeka, KS
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Thomas, MD is a Internal Medicine Physician provider in Topeka, KS (NPI 1629086277).
Provider details
- NPI number
- 1629086277
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 04-25848 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,870 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 875 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 758 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 555 | $58 |
| 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 | 533 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 471 | $120 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 130 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 879 | 243 |
| Amlodipine Besylate | 725 | 199 |
| Levothyroxine Sodium | 519 | 129 |
| Losartan Potassium | 469 | 130 |
| Omeprazole | 332 | 87 |
| Rosuvastatin Calcium | 263 | 79 |
| Simvastatin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Mark Thomas's NPI number?
- Mark Thomas's National Provider Identifier (NPI) is 1629086277, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Thomas's specialty?
- Mark Thomas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Thomas located?
- Mark Thomas's practice location on file with NPPES is 4409 Sw Shenandoah Rd, Topeka, KS 66610-1678.
- What is Mark Thomas's phone number?
- The practice phone number listed in the NPPES registry for Mark Thomas is (785) 554-6259.
- Does Mark Thomas accept Medicare?
- Mark Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Thomas's NPI active?
- Yes — Mark Thomas's NPI (1629086277) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.