Herby Ambroise, MD
NPI 1811181043 · Hospitalist Physician · Gilbert, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Herby Ambroise, MD is a Hospitalist Physician provider in Gilbert, AZ (NPI 1811181043).
Provider details
- NPI number
- 1811181043
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 26401I (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
725 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 381 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 194 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 64 | $110 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 47 | $167 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 39 | $78 |
Typical Medicare-allowed amounts for these services range $76–$167 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 28 | 28 |
| Pantoprazole Sodium | 20 | 19 |
| Prednisone | 19 | 19 |
| Amlodipine Besylate | 15 | 15 |
| Levofloxacin | 14 | 14 |
| Potassium Chloride | 14 | 14 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-30
- Last updated
- 2018-05-10
Frequently asked questions
- What is Herby Ambroise's NPI number?
- Herby Ambroise's National Provider Identifier (NPI) is 1811181043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Herby Ambroise's specialty?
- Herby Ambroise is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Herby Ambroise located?
- Herby Ambroise's practice location on file with NPPES is 1900 N Higley Road, Gilbert, AZ 85234.
- What is Herby Ambroise's phone number?
- The practice phone number listed in the NPPES registry for Herby Ambroise is (480) 543-2034.
- Does Herby Ambroise accept Medicare?
- Herby Ambroise is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Herby Ambroise's NPI active?
- Yes — Herby Ambroise's NPI (1811181043) is active in the NPPES registry as of the last update on 2018-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.