Caleb Halfhill, MD
Emergency Medicine Physician · Kalamazoo, MI
Caleb Halfhill, MD is an emergency medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1063102192, issued on May 11, 2023. Check the license (Michigan 4351051173, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Caleb Halfhill
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 4351051173 MI
35.155087 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Oakland Dr, Kalamazoo, MI 49008
- Phone
- (269) 337-4600
- Enumerated
- May 11, 2023
- Record last updated
- Jun 29, 2026
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 1000 Oakland Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Caleb Halfhill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4351051173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average emergency medicine physician in 2024
38 Medicare Part D claims for 30 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Caleb Halfhill among 3,083 emergency medicine physician records in Michigan
Caleb Halfhill, MD is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 90% of them.
- NPI issued2023 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 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 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
154 emergency medicine physician records list a practice address in Kalamazoo
They are 154 of the 6,553 NPPES records with a practice address in Kalamazoo, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Kalamazoo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Beth Armstrong, M.D.Kalamazoo, MI 490081114984127
- Brenda Becker, MDKalamazoo, MI 490081679774244
- Brigitte Bigelow, MDKalamazoo, MI 490081780885368
- Scott Cline, M.D.Kalamazoo, MI 490081295886802
- William Fales, M.D.Kalamazoo, MI 490081063473114
- Lisa Forrest, MDKalamazoo, MI 490081821051822
- Marc Headapohl, M.D.Kalamazoo, MI 490081033158159
- Nathaniel Johnson, MDKalamazoo, MI 490081295937720
Common questions
What is Caleb Halfhill, MD's NPI number?
Caleb Halfhill, MD's National Provider Identifier (NPI) is 1063102192, issued on May 11, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Caleb Halfhill, MD located?
The NPPES record lists a practice address at 1000 Oakland Dr, Kalamazoo, MI, 49008. Phone: (269) 337-4600. Providers update this record themselves, so call before visiting.
How can I verify Caleb Halfhill, MD's license?
NPPES lists Michigan license number 4351051173, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Caleb Halfhill, MD prescribe under Medicare Part D?
In 2024, Caleb Halfhill, MD had 38 Medicare Part D claims for 30 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.