Katherine Willingham, MD
NPI 1245262435 · Internal Medicine Physician · Topeka, KS
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Willingham, MD is a Internal Medicine Physician provider in Topeka, KS (NPI 1245262435).
Provider details
- NPI number
- 1245262435
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 04-29268 (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
3,622 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 679 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 663 | $118 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 431 | $120 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 333 | $58 |
| Screening 3d Breast Mammography77063 | 291 | $21 |
| Screening Mammography77067 | 291 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 142 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 483 | 128 |
| Levothyroxine Sodium | 463 | 113 |
| Amlodipine Besylate | 370 | 102 |
| Rosuvastatin Calcium | 309 | 88 |
| Lisinopril | 288 | 62 |
| Omeprazole | 286 | 79 |
| Simvastatin | 268 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2025-12-01
- Certified
- 2025-12-01
Frequently asked questions
- What is Katherine Willingham's NPI number?
- Katherine Willingham's National Provider Identifier (NPI) is 1245262435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Willingham's specialty?
- Katherine Willingham is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Willingham located?
- Katherine Willingham's practice location on file with NPPES is 901 Sw Garfield Ave, Topeka, KS 66606-1670.
- What is Katherine Willingham's phone number?
- The practice phone number listed in the NPPES registry for Katherine Willingham is (785) 354-9591.
- Does Katherine Willingham accept Medicare?
- Katherine Willingham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Willingham's NPI active?
- Yes — Katherine Willingham's NPI (1245262435) is active in the NPPES registry as of the last update on 2025-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.