NPPES file of Aug 9, 2026

Deena M. Brown, FNP

Family Medicine Physician · Alton, IL

Deena M. Brown, FNP is a family medicine physician with a practice address in Alton, Illinois, and NPI 1548995897, issued on Jul 20, 2022. Check the license (Illinois 209024436, 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
1548995897
Name
Deena M. Brown
Credential
FNP
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
209024436 IL
Self-reported in NPPES; status is on the state search
Practice location
2 Saint Anthonys Way Ste 205, Alton, IL 62002
Phone
(618) 462-2222
Enumerated
Jul 20, 2022
Record last updated
Jul 20, 2022
Medicare enrollment
Enrolled (PECOS I20220930002805); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 2 Saint Anthonys Way Ste 205

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

  1. Stacy Marriott, APRN, CNPFamily Nurse Practitioner1255981528
  2. Isha McConkey, DOFamily Medicine Physician1952693707

Verify Deena M. Brown 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 209024436
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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57% fewer Medicare Part D claims than the average family medicine physician in 2024

1,531 Medicare Part D claims for 259 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 58 claims were for opioids.

  1. Deena Brown1,531
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium90 claims
  2. Lisinopril62 claims
  3. Gabapentin61 claims
  4. Amlodipine Besylate45 claims
  5. Losartan Potassium42 claims
  6. Metformin Hcl39 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: $440.13

6 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Deena Brown$440.13
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. Osf Multi-Specialty GroupAlton, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Deena M. Brown among 6,215 family medicine physician records in Illinois

Deena M. Brown, FNP is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 87% of them.

  • NPI issued2022 · 87% of these records are older, 9% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2021 · median 2006 among the 3,714 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

37 family medicine physician records list a practice address in Alton

They are 37 of the 1,113 NPPES records with a practice address in Alton, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Laura Bird, M.D.Alton, IL 620021295720993
  2. Kevin Boyd, D.O.Alton, IL 620021407962012
  3. Jaleesa Gilbert-Gortman, MDAlton, IL 620021710484332
  4. Victor Hidalgo, M.D.Alton, IL 620021235353830
  5. Michael Klein, M.D.Alton, IL 620021790834737
  6. Mark Klucka, D.O.Alton, IL 620021801902432
  7. Priya Kumaraguru, M.D.Alton, IL 620021902062862
  8. Mena Luangjamekorn, MDAlton, IL 620021255320578

Common questions

What is Deena M. Brown, FNP's NPI number?

Deena M. Brown, FNP's National Provider Identifier (NPI) is 1548995897, issued on Jul 20, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Deena M. Brown, FNP located?

The NPPES record lists a practice address at 2 Saint Anthonys Way Ste 205, Alton, IL, 62002. Phone: (618) 462-2222. Providers update this record themselves, so call before visiting.

How can I verify Deena M. Brown, FNP's license?

NPPES lists Illinois license number 209024436, 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 Deena M. Brown, FNP prescribe under Medicare Part D?

In 2024, Deena M. Brown, FNP had 1,531 Medicare Part D claims for 259 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.