Melissa Themar Geck, MD
NPI 1861641565 · Diagnostic Radiology Physician · St Francis, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Themar Geck, MD is a Diagnostic Radiology Physician provider in St Francis, WI (NPI 1861641565).
Provider details
- NPI number
- 1861641565
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ME103402 (FL)
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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,376 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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 307 | $26 |
| Screening Mammography77067 | 307 | $33 |
| Screening Mammography77067 | 151 | $113 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 143 | $24 |
| Screening 3d Breast Mammography77063 | 131 | $47 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 81 | $99 |
Practice location
Mailing address
Additional practice locations (2)
- 529 E Central AveWinter Haven, FL 33880-3054Phone: (863) 299-1155Fax: (863) 299-1177
- 855 N Westhaven DrOshkosh, WI 54904-7668Phone: (920) 303-8700Fax: (920) 303-5630
Registry dates
- Enumerated
- 2008-09-17
- Last updated
- 2024-02-15
- Certified
- 2024-02-15
Frequently asked questions
- What is Melissa Themar Geck's NPI number?
- Melissa Themar Geck's National Provider Identifier (NPI) is 1861641565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Themar Geck's specialty?
- Melissa Themar Geck is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Themar Geck located?
- Melissa Themar Geck's practice location on file with NPPES is 2000 E Layton Ave, St Francis, WI 53235-6053.
- What is Melissa Themar Geck's phone number?
- The practice phone number listed in the NPPES registry for Melissa Themar Geck is (414) 744-6589.
- Does Melissa Themar Geck accept Medicare?
- Melissa Themar Geck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Themar Geck's NPI active?
- Yes — Melissa Themar Geck's NPI (1861641565) is active in the NPPES registry as of the last update on 2024-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.