Doctor profile · Federal record

Dr. Michael Darmadi, MD

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Vandalia, IL

  • NPI 1184601577
  • Accepts Medicare
  • MIPS 87.8 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1003 N 8Th St
Vandalia, IL 624711238
(618) 283-4445
fax (618) 283-4446

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
June 16, 2008
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036097600
Medicaid
IL #036097600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184601577. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,679
Distinct HCPCS
10
Medicare allowed
$249,588
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,385 288 $123
36415 Insertion of needle into vein for collection of blood sample 373 181 $8
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 212 26 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 190 114 $87
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 120 11 $1
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 112 50 $77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 77 52 $127
99239 Hospital discharge day management, more than 30 minutes 67 51 $112
99316 Nursing facility discharge management, more than 30 minutes 33 30 $123
81002 Urinalysis, manual test 32 24 $3

In context: peer comparison

Among 1 peers in Vandalia Internal Medicine Physician, average services per provider: 191. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$630
Transactions
32
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 14 $241.74
AstraZeneca Pharmaceuticals Lp 10 $228.54
Boehringer Ingelheim Pharmaceuticals, INC. 5 $106.02
GlaxoSmithKline, LLC. 2 $39.54
Bayer Healthcare Pharmaceuticals INC. 1 $13.95

By nature of payment

Food and Beverage
$630

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,078
Patients
1,085
Total drug cost
$67,895
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 379 101 $4,137
Pantoprazole Sodium Generic 338 105 $5,859
Levothyroxine Sodium Generic 331 84 $6,241
Losartan Potassium Generic 327 89 $5,536
Atorvastatin Calcium Generic 298 80 $5,055
Tramadol Hcl Generic 290 61 $2,461
Potassium Chloride Generic 281 85 $10,386
Lisinopril Generic 257 68 $3,013
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 254 45 $4,298
Montelukast Sodium Generic 244 62 $4,387

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Darmadi's medical specialty?
Dr. Michael Darmadi practices Internal Medicine Physician in Vandalia, IL.
Where does Dr. Michael Darmadi practice?
Dr. Michael Darmadi practices at 1003 N 8Th St, Vandalia, IL 624711238. Office phone: 6182834445.
What is Dr. Michael Darmadi's NPI?
Dr. Michael Darmadi's National Provider Identifier (NPI) is 1184601577, issued by NPPES.
Does Dr. Michael Darmadi accept Medicare assignment?
Yes. Dr. Michael Darmadi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Darmadi 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); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.