Diane Witek, M.D.
NPI 1316157779 · Family Medicine Physician · Jackson, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Witek, M.D. is a Family Medicine Physician provider in Jackson, WI (NPI 1316157779).
Provider details
- NPI number
- 1316157779
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 52622 (WI)
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
522 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 200 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 165 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 91 | $124 |
| Administration of Influenza Virus VaccineG0008 | 32 | $14 |
| Admn Sarscov2 Vacc 1 Dose90480 | 20 | $41 |
| Administration of Pneumococcal VaccineG0009 | 14 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 346 | 117 |
| Lisinopril | 235 | 69 |
| Levothyroxine Sodium | 221 | 60 |
| Omeprazole | 188 | 60 |
| Amlodipine Besylate | 170 | 52 |
| Metoprolol Succinate | 165 | 50 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-23
- Last updated
- 2013-04-01
Frequently asked questions
- What is Diane Witek's NPI number?
- Diane Witek's National Provider Identifier (NPI) is 1316157779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Witek's specialty?
- Diane Witek is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Witek located?
- Diane Witek's practice location on file with NPPES is W225n16711 Cedar Park Ct, Jackson, WI 53037-9222.
- What is Diane Witek's phone number?
- The practice phone number listed in the NPPES registry for Diane Witek is (262) 677-1101.
- Does Diane Witek accept Medicare?
- Diane Witek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Witek's NPI active?
- Yes — Diane Witek's NPI (1316157779) is active in the NPPES registry as of the last update on 2013-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.