Doctor profile · Federal record

Dr. Judith Weis, M.D.

Family Medicine Physician (CMS: Family Practice) · Mascoutah, IL

  • NPI 1942252226
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
739 N Jefferson St, Suite 200
Mascoutah, IL 622581447
(618) 566-8810
fax (618) 566-7121

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 17, 2009
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036089439
Medicaid
IL #036089439

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942252226. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,396
Distinct HCPCS
10
Medicare allowed
$164,678
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 518 294 $125
36415 Insertion of needle into vein for collection of blood sample 498 276 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 312 201 $89
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 123 21 $1
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 104 37 $22
G0008 Administration of influenza virus vaccine 102 102 $29
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 101 101 $274
G0009 Administration of pneumococcal vaccine 97 97 $29
99212 Established patient office or other outpatient visit, 10-19 minutes 85 71 $55
81002 Urinalysis, manual test 79 51 $3

In context: peer comparison

Among 2 peers in this city , average services per provider: 100. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$578
Transactions
34
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 11 $180.56
Lilly USA, LLC 9 $155.89
Astellas Pharma US Inc 2 $40.56
Merck Sharp & Dohme LLC 2 $40.08
AstraZeneca Pharmaceuticals LP 2 $30.88
Exact Sciences Corporation 2 $28.56
Novartis Pharmaceuticals Corporation 1 $22.24
PFIZER INC. 1 $19.07
Dexcom, Inc. 1 $16.78
Abbott Laboratories 1 $16.59
Amgen Inc. 1 $13.48
Sumitomo Pharma America, Inc. 1 $13.20

By nature of payment

Food and Beverage
$578

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,891
Patients
1,010
Total drug cost
$56,388
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 454 122 $6,629
Levothyroxine Sodium Generic 431 107 $7,882
Lisinopril Generic 402 112 $4,292
Amlodipine Besylate Generic 344 100 $3,490
Simvastatin Generic 280 78 $3,104
Losartan Potassium Generic 244 60 $3,933
Sertraline Hcl Generic 231 55 $3,197
Pantoprazole Sodium Generic 222 60 $3,689
Omeprazole Generic 215 59 $3,122
Tramadol Hcl Generic 201 43 $1,544

Frequently asked questions

Auto-generated from federal data
What is Dr. Judith Weis's medical specialty?
Dr. Judith Weis practices Family Medicine Physician in Mascoutah, IL.
Where does Dr. Judith Weis practice?
Dr. Judith Weis practices at 739 N Jefferson St, Mascoutah, IL 622581447. Office phone: 6185668810.
What is Dr. Judith Weis's NPI?
Dr. Judith Weis's National Provider Identifier (NPI) is 1942252226, issued by NPPES.
Does Dr. Judith Weis accept Medicare assignment?
Yes. Dr. Judith Weis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Judith Weis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.