NPPES file of Aug 9, 2026

Dalton Alexander Halm

Acute Care Nurse Practitioner · Granite City, IL

Dalton Alexander Halm is an acute care nurse practitioner with a practice address in Granite City, Illinois, and NPI 1083403653, issued on May 1, 2025. Check the license (Illinois 209032308, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083403653
Name
Dalton Alexander Halm
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
209032308 IL
Self-reported in NPPES; status is on the state search
Practice location
2100 Madison Ave, Granite City, IL 62040
Phone
(619) 798-3000
Enumerated
May 1, 2025
Record last updated
May 1, 2025
Medicare enrollment
Enrolled (PECOS I20250716002949); may accept Medicare assignment
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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8 nearest acute care nurse practitioner records → All 639 in Illinois → Look up another NPI →

Also registered at 2100 Madison Ave

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

  1. Oladele Ajao, MDInternal Medicine Physician1700829025
  2. Jeffrey Arendell, DOEmergency Medicine Physician1386668218
  3. Laurie Beebe, MS, RD, LDMetabolic Nutrition Registered Dietitian1295954980
  4. Mary Bigongiari, CRNACertified Registered Nurse Anesthetist1598740284
  5. David Bogolub, DOEmergency Medicine Physician1245279181
  6. Melissa Bounds, NPFamily Nurse Practitioner1831630458

Verify Dalton Alexander Halm in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209032308    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
Find 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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Bills Medicare through one group practice

  1. Ahs IL Medical Group LLCGranite City, IL

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

Dalton Alexander Halm among 639 acute care nurse practitioner records in Illinois

Dalton Alexander Halm is one of 639 acute care nurse practitioner records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 91% of them.

  • NPI issued2025 · 91% of these records are older, 4% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2025 · median 2017 among the 434 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Illinois

There are 639 acute care nurse practitioner records in Illinois.

All 639 in Illinois → Every provider in Granite City → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Kyle Ketterer, AGACNP-BCGranite City, IL 620401881513323
  2. Megan LeskoMaryville, IL 620621174212971
  3. Jami Davis-Jackson, ACNP BCAlton, IL 620021629243886
  4. David SchottelAlton, IL 620021952038465
  5. Lorraine Seiffert, ACNPAlton, IL 620021487971537
  6. Kevin Hair, NP-CParis, IL 619441962036558
  7. Caroline Bierman, APRNMattoon, IL 619381376326116
  8. Robin Gabel, NPMattoon, IL 619381174035182

Common questions

What is Dalton Alexander Halm's NPI number?

Dalton Alexander Halm's National Provider Identifier (NPI) is 1083403653, issued on May 1, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Dalton Alexander Halm located?

The NPPES record lists a practice address at 2100 Madison Ave, Granite City, IL, 62040. Phone: (619) 798-3000. Providers update this record themselves, so call before visiting.

How can I verify Dalton Alexander Halm's license?

NPPES lists Illinois license number 209032308, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.