Judith Weis, M.D.
NPI 1942252226 · Family Medicine Physician · Mascoutah, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Judith Weis, M.D. is a Family Medicine Physician provider in Mascoutah, IL (NPI 1942252226).
Provider details
- NPI number
- 1942252226
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036089439 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,793 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 476 | $124 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 443 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 212 | $88 |
| Administration of Influenza Virus VaccineG0008 | 113 | $29 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 92 | $22 |
| Administration of Pneumococcal VaccineG0009 | 85 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 146 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 631 | 179 |
| Levothyroxine Sodium | 521 | 121 |
| Lisinopril | 487 | 135 |
| Amlodipine Besylate | 443 | 119 |
| Losartan Potassium | 310 | 85 |
| Sertraline Hcl | 291 | 70 |
| Simvastatin | 289 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$578 across 34 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2009-12-17
Frequently asked questions
- What is Judith Weis's NPI number?
- Judith Weis's National Provider Identifier (NPI) is 1942252226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judith Weis's specialty?
- Judith Weis is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Judith Weis located?
- Judith Weis's practice location on file with NPPES is 739 N Jefferson St, Mascoutah, IL 62258-1447.
- What is Judith Weis's phone number?
- The practice phone number listed in the NPPES registry for Judith Weis is (618) 566-8810.
- Does Judith Weis accept Medicare?
- Judith Weis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Judith Weis's NPI active?
- Yes — Judith Weis's NPI (1942252226) is active in the NPPES registry as of the last update on 2009-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.