Herby Ambroise, MD
Hospitalist Physician · Gilbert, AZ
Herby Ambroise, MD is a hospitalist physician with a practice address in Gilbert, Arizona, and NPI 1811181043, issued on Aug 30, 2007. Check the license (Arizona 45089, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Herby Ambroise
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 45089 AZ
26401I PR
Self-reported in NPPES; status is on the state search - Practice location
- 1900 N Higley Road, Gilbert, AZ 85234
- Phone
- (480) 543-2034
- Enumerated
- Aug 30, 2007
- Record last updated
- May 10, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (480) 543-2647
- Medicare enrollment
- Enrolled (PECOS I20120412000208); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1900 N Higley Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Herby Ambroise in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 45089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average hospitalist physician in 2024
311 Medicare Part D claims for 135 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 16 claims were for opioids.
Most prescribed
- Cefdinir28 claims
- Pantoprazole Sodium20 claims
- Prednisone19 claims
- Amlodipine Besylate15 claims
- Levofloxacin14 claims
- Potassium Chloride14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Banner Cancer Center Specialists LLCGilbert, AZ
- Banner Hospital Based Physicians Arizona LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hospitalist Physician providers in Arizona
There are 775 hospitalist physician records in Arizona.
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Common questions
What is Herby Ambroise, MD's NPI number?
Herby Ambroise, MD's National Provider Identifier (NPI) is 1811181043, issued on Aug 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Herby Ambroise, MD located?
The NPPES record lists a practice address at 1900 N Higley Road, Gilbert, AZ, 85234. Phone: (480) 543-2034. Providers update this record themselves, so call before visiting.
How can I verify Herby Ambroise, MD's license?
NPPES lists Arizona license number 45089, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Herby Ambroise, MD prescribe under Medicare Part D?
In 2024, Herby Ambroise, MD had 311 Medicare Part D claims for 135 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Herby Ambroise, MD's MIPS final score?
The 2023 MIPS final score is 81.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.