Ariel Ismael, MD
NPI 1457557167 · Psychiatry Physician · Tamuning, GU
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ariel Ismael, MD is a Psychiatry Physician provider in Tamuning, GU (NPI 1457557167).
Provider details
- NPI number
- 1457557167
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- M001393 (GU)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Risperidone | 52 |
| Benztropine Mesylate | 48 |
| Quetiapine Fumarate | 42 |
| Clonazepam | 39 |
| Lorazepam | 36 |
| Carbamazepine | 30 |
| Olanzapine | 28 |
| Duloxetine Hcl | 21 |
| Aripiprazole | 19 |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-21
- Last updated
- 2022-01-04
- Certified
- 2021-12-23
Frequently asked questions
- What is Ariel Ismael's NPI number?
- Ariel Ismael's National Provider Identifier (NPI) is 1457557167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ariel Ismael's specialty?
- Ariel Ismael is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ariel Ismael located?
- Ariel Ismael's practice location on file with NPPES is 790 Gov Carlos G Camacho Rd, Tamuning, GU 96913-3129.
- What is Ariel Ismael's phone number?
- The practice phone number listed in the NPPES registry for Ariel Ismael is (671) 647-5345.
- Does Ariel Ismael accept Medicare?
- Ariel Ismael is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ariel Ismael's NPI active?
- Yes — Ariel Ismael's NPI (1457557167) is active in the NPPES registry as of the last update on 2022-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.