Jozef Zelenak, M.D.
NPI 1659318475 · Internal Medicine Physician · Wichita, KS
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jozef Zelenak, M.D. is a Internal Medicine Physician provider in Wichita, KS (NPI 1659318475).
Provider details
- NPI number
- 1659318475
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- ME91447 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 3 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 21 |
| Atorvastatin Calcium | 11 |
| Oxybutynin Chloride | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2025-09-11
Frequently asked questions
- What is Jozef Zelenak's NPI number?
- Jozef Zelenak's National Provider Identifier (NPI) is 1659318475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jozef Zelenak's specialty?
- Jozef Zelenak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jozef Zelenak located?
- Jozef Zelenak's practice location on file with NPPES is 5500 E Kellogg Dr, Wichita, KS 67218-1607.
- What is Jozef Zelenak's phone number?
- The practice phone number listed in the NPPES registry for Jozef Zelenak is (316) 685-2221.
- Does Jozef Zelenak accept Medicare?
- Jozef Zelenak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jozef Zelenak's NPI active?
- Yes — Jozef Zelenak's NPI (1659318475) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.