Takahiro Otsuka, MD
NPI 1790895803 · Endocrinology, Diabetes & Metabolism Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Takahiro Otsuka, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Loma Linda, CA (NPI 1790895803).
Provider details
- NPI number
- 1790895803
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A55960 (CA)
Specialties & taxonomies
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
1,193 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 413 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 352 | $131 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 122 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $91 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 67 | $130 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 597 | 126 |
| Levothyroxine Sodium | 505 | 150 |
| Empagliflozinbrand: Jardiance | 285 | 67 |
| Atorvastatin Calcium | 256 | 79 |
| Metformin Hcl | 203 | 66 |
| Glipizidebrand: Glipizide Er | 187 | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,374 across 75 records (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
- 2006-08-30
- Last updated
- 2011-07-11
Frequently asked questions
- What is Takahiro Otsuka's NPI number?
- Takahiro Otsuka's National Provider Identifier (NPI) is 1790895803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Takahiro Otsuka's specialty?
- Takahiro Otsuka is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Takahiro Otsuka located?
- Takahiro Otsuka's practice location on file with NPPES is 11370 Anderson St, Loma Linda, CA 92354-3450.
- What is Takahiro Otsuka's phone number?
- The practice phone number listed in the NPPES registry for Takahiro Otsuka is (909) 558-2870.
- Does Takahiro Otsuka accept Medicare?
- Takahiro Otsuka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Takahiro Otsuka's NPI active?
- Yes — Takahiro Otsuka's NPI (1790895803) is active in the NPPES registry as of the last update on 2011-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.