Esther Ishitani, M.D.
NPI 1275677585 · Child & Adolescent Psychiatry Physician · El Monte, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Esther Ishitani, M.D. is a Child & Adolescent Psychiatry Physician provider in El Monte, CA (NPI 1275677585).
Provider details
- NPI number
- 1275677585
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A74330 (CA)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
81 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $139 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 22 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $99 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 13 | $98 |
Typical Medicare-allowed amounts for these services range $98–$139 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clonazepam | 51 |
| Quetiapine Fumarate | 41 |
| Benztropine Mesylate | 37 |
| Sertraline Hcl | 36 |
| Lithium Carbonate | 33 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 33 |
| Escitalopram Oxalate | 32 |
| Lorazepam | 31 |
| Mirtazapine | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-19
- Last updated
- 2021-12-07
- Certified
- 2021-12-07
Frequently asked questions
- What is Esther Ishitani's NPI number?
- Esther Ishitani's National Provider Identifier (NPI) is 1275677585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Esther Ishitani's specialty?
- Esther Ishitani is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Esther Ishitani located?
- Esther Ishitani's practice location on file with NPPES is 3208 Rosemead Blvd Fl 2, El Monte, CA 91731-2830.
- What is Esther Ishitani's phone number?
- The practice phone number listed in the NPPES registry for Esther Ishitani is (626) 227-7014.
- Does Esther Ishitani accept Medicare?
- Esther Ishitani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Esther Ishitani's NPI active?
- Yes — Esther Ishitani's NPI (1275677585) is active in the NPPES registry as of the last update on 2021-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.