Doctor profile · Federal record

Dr. Demetra Rupp, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Geneva, IL

  • NPI 1518131903
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
302 Randall RD
Geneva, IL 601344209
(630) 208-6775
fax (630) 208-7937

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
November 29, 2012
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Illinois #036115634
Medicaid
IL #036115634

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518131903. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,244
Distinct HCPCS
10
Medicare allowed
$158,833
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 3,240 30 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 376 224 $133
83036 Hemoglobin a1c level 216 115 $10
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 155 68 $36
99215 Established patient office or other outpatient visit, 40-54 minutes 56 47 $183
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 54 19 $83
96372 Injection of drug or substance under skin or into muscle 51 29 $15
99213 Established patient office or other outpatient visit, 20-29 minutes 44 44 $94
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 24 14 $125
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $176

In context: peer comparison

Among 5 peers in Geneva Endocrinology, Diabetes & Metabolism Physician, average services per provider: 469. This provider delivers 9.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,075
Patients
587
Total drug cost
$1,353,521
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 405 106 $6,870
Metformin Hcl Generic 226 70 $2,522
Trulicity (Dulaglutide) Brand 226 51 $395,109
Jardiance (Empagliflozin) Brand 182 49 $279,093
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 164 51 $139,375
Synthroid (Levothyroxine Sodium) Brand 158 45 $17,622
Ozempic (Semaglutide) Brand 122 30 $206,532
Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) Brand 97 44 $15,553
Humalog Kwikpen U-100 (Insulin Lispro) Brand 92 33 $92,369
Novolog Flexpen (Insulin Aspart) Brand 90 27 $95,213

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Demetra Rupp's medical specialty?
Dr. Demetra Rupp practices Endocrinology, Diabetes & Metabolism Physician in Geneva, IL.
Where does Dr. Demetra Rupp practice?
Dr. Demetra Rupp practices at 302 Randall RD, Geneva, IL 601344209. Office phone: 6302086775.
What is Dr. Demetra Rupp's NPI?
Dr. Demetra Rupp's National Provider Identifier (NPI) is 1518131903, issued by NPPES.
Does Dr. Demetra Rupp accept Medicare assignment?
Yes. Dr. Demetra Rupp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Demetra Rupp commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.