Mark A. Henzler, M.D.
Emergency Medicine Physician · Boise, ID
Mark A. Henzler, M.D. is an emergency medicine physician with a practice address in Boise, Idaho, and NPI 1518904598, issued on May 31, 2006. Check the license (Idaho M5418, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark A. Henzler
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- M5418 ID
Self-reported in NPPES; status is on the state search - Practice location
- 1055 N Curtis RD, Boise, ID 83706
- Phone
- (208) 322-1730
- Enumerated
- May 31, 2006
- Record last updated
- Sep 25, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (208) 322-1731
- Medicaid ID
- 003741300 ID
- Medicare enrollment
- Enrolled (PECOS I20170412001021); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 310 in Idaho → Look up another NPI →
Also registered at 1055 N Curtis RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Luis Alcaraz, PA-CPhysician Assistant1508593765
- Faith AlexanderRegistered Nurse1528937430
- Brian Allen, CRNACertified Registered Nurse Anesthetist1982855482
- Philip Anderson, DOInternal Medicine Physician1154997104
- Clara Riji Anil, MDInternal Medicine Physician1043578818
Verify Mark A. Henzler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M5418Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average emergency medicine physician in 2024
35 Medicare Part D claims for 24 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- Maui Memorial Emergency Medical Associates IncKula, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Henzler among 310 emergency medicine physician records in Idaho
Mark A. Henzler, M.D. is one of 310 emergency medicine physician records with a practice address in Idaho. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 58% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1982 · median 2010 among the 161 with a school on file
- Record last updated2015 · 41% 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
117 emergency medicine physician records list a practice address in Boise
They are 117 of the 9,467 NPPES records with a practice address in Boise, and 310 emergency medicine physician records in Idaho.
All 310 in Idaho → Every provider in Boise → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Dianna Binnion, M.D.Boise, ID 837061073567574
- Brian Boesiger, M.D.Boise, ID 837061982657896
- Matthew Conklin, M.D.Boise, ID 837061922052448
- Robert DavisBoise, ID 837061548295249
- David Gough, D.O.Boise, ID 837061205873247
- Kurtis Holt, M.D.Boise, ID 837061568419182
- Po Huang, M.D.Boise, ID 837061215981741
- David Kim, M.D.Boise, ID 837061386681336
Common questions
What is Mark A. Henzler, M.D.'s NPI number?
Mark A. Henzler, M.D.'s National Provider Identifier (NPI) is 1518904598, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Henzler, M.D. located?
The NPPES record lists a practice address at 1055 N Curtis RD, Boise, ID, 83706. Phone: (208) 322-1730. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Henzler, M.D.'s license?
NPPES lists Idaho license number M5418, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark A. Henzler, M.D. prescribe under Medicare Part D?
In 2024, Mark A. Henzler, M.D. had 35 Medicare Part D claims for 24 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.