NPPES file of Aug 9, 2026

Michael Darmadi, MD

Internal Medicine Physician · Vandalia, IL

Michael Darmadi, MD is an internal medicine physician with a practice address in Vandalia, Illinois, and NPI 1184601577, issued on Dec 27, 2005. Check the license (Illinois 036097600, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184601577
Name
Michael Darmadi
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036097600 IL
Self-reported in NPPES; status is on the state search
Practice location
1003 N 8TH St, Vandalia, IL 62471
Phone
(618) 283-4445
Enumerated
Dec 27, 2005
Record last updated
Jun 16, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(618) 283-4446
Medicaid ID
036097600 IL
Medicare enrollment
Enrolled (PECOS I20080611000358); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1994
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Michael Darmadi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036097600
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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4.5 times the Medicare Part D claims of the average internal medicine physician in 2024

14,350 Medicare Part D claims for 476 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 657 claims were for opioids.

  1. Michael Darmadi14,350
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate431 claims
  2. Potassium Chloride417 claims
  3. Losartan Potassium415 claims
  4. Levothyroxine Sodium414 claims
  5. Pantoprazole Sodium414 claims
  6. Atorvastatin Calcium379 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 91.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $629.79

32 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Darmadi$629.79
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 internal medicine physician records list a practice address in Vandalia

They are 2 of the 101 NPPES records with a practice address in Vandalia, and 7,238 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is Michael Darmadi, MD's NPI number?

Michael Darmadi, MD's National Provider Identifier (NPI) is 1184601577, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael Darmadi, MD located?

The NPPES record lists a practice address at 1003 N 8TH St, Vandalia, IL, 62471. Phone: (618) 283-4445. Providers update this record themselves, so call before visiting.

How can I verify Michael Darmadi, MD's license?

NPPES lists Illinois license number 036097600, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Darmadi, MD prescribe under Medicare Part D?

In 2024, Michael Darmadi, MD had 14,350 Medicare Part D claims for 476 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Michael Darmadi, MD's MIPS final score?

The 2023 MIPS final score is 91.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.