NPPES file of Aug 9, 2026

Dennis Richard Brightwell, M.D.

Psychiatry Physician · Crystal Lake, IL

Dennis Richard Brightwell, M.D. is a psychiatry physician with a practice address in Crystal Lake, Illinois, and NPI 1841288420, issued on Oct 8, 2005. Check the license (Illinois 036103977, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841288420
Name
Dennis Richard Brightwell
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
036103977 IL
56574-20 WI
Self-reported in NPPES; status is on the state search
Practice location
422 Tracy CT, Crystal Lake, IL 60014
Phone
(815) 363-6132
Enumerated
Oct 8, 2005
Record last updated
Jan 15, 2016 (not updated in 10 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 422 Tracy CT

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lindsey Choklad, MSW, CADCSocial Worker1114636313
  2. Kristin Erisman, LPCProfessional Counselor1982050647
  3. Malinda Lehman, MHP, LSWSocial Worker1154273852
  4. Brittany Matthiesen, LSWSocial Worker1841844206
  5. Amber Meeke, LCSW, CADC, CODPAddiction (Substance Use Disorder) Counselor1265102867
  6. Lori Most, LSWSocial Worker1811624216

Verify Dennis Richard Brightwell 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 036103977
    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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40% fewer Medicare Part D claims than the average psychiatry physician in 2024

598 Medicare Part D claims for 51 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Dennis Brightwell598
  2. Specialty average1,000

Most prescribed

  1. Alprazolam61 claims
  2. Sertraline Hcl55 claims
  3. Quetiapine Fumarate48 claims
  4. Clonazepam37 claims
  5. Dextroamphetamine-Amphetamine35 claims
  6. Haloperidol31 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.

Industry payments in 2024: $344.60

18 payments; by number, the most common kind was food and beverage; the largest payer was Alkermes, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dennis Brightwell$344.60
  2. Specialty average$4,954.93

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

Dennis Richard Brightwell among 2,147 psychiatry physician records in Illinois

Dennis Richard Brightwell, M.D. is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 41% of these records are
  • Record last updated2016 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Illinois

There are 2,147 psychiatry physician records in Illinois.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Robert Bartucci, M.D.Crystal Lake, IL 600141912054990
  2. Vamsi Garlapati, MDCrystal Lake, IL 600141407855711
  3. Edwin Gumapas, MDCrystal Lake, IL 600141033101092
  4. Eshwar Gumidyala, MDCrystal Lake, IL 600141891794137
  5. Thakshakamani Madamala, MDCrystal Lake, IL 600141588663843
  6. Aftab Poshni, MDCrystal Lake, IL 600141821097924
  7. Kathryn Schoenbrod, M.D.Crystal Lake, IL 600141104027663
  8. Chandragupta Vedak, MDCrystal Lake, IL 600141871592881

Common questions

What is Dennis Richard Brightwell, M.D.'s NPI number?

Dennis Richard Brightwell, M.D.'s National Provider Identifier (NPI) is 1841288420, issued on Oct 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dennis Richard Brightwell, M.D. located?

The NPPES record lists a practice address at 422 Tracy CT, Crystal Lake, IL, 60014. Phone: (815) 363-6132. Providers update this record themselves, so call before visiting.

How can I verify Dennis Richard Brightwell, M.D.'s license?

NPPES lists Illinois license number 036103977, 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 Dennis Richard Brightwell, M.D. prescribe under Medicare Part D?

In 2024, Dennis Richard Brightwell, M.D. had 598 Medicare Part D claims for 51 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

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.