Yuichiro Hayashi, MD
NPI 1225471048 · Pain Medicine (Anesthesiology) Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yuichiro Hayashi, MD is a Pain Medicine (Anesthesiology) Physician provider in Los Angeles, CA (NPI 1225471048).
Provider details
- NPI number
- 1225471048
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A134873 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
1,562 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 | 513 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 274 | $94 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 188 | $173 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 111 | $145 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 90 | $112 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 145 | 60 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 106 | 28 |
| Pregabalin | 47 | 18 |
| Tramadol Hcl | 46 | 11 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 43 | 13 |
| Tizanidine Hcl | 40 | 11 |
| Naloxone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$251 across 5 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
- 2013-04-10
- Last updated
- 2019-08-08
Frequently asked questions
- What is Yuichiro Hayashi's NPI number?
- Yuichiro Hayashi's National Provider Identifier (NPI) is 1225471048, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yuichiro Hayashi's specialty?
- Yuichiro Hayashi is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Yuichiro Hayashi located?
- Yuichiro Hayashi's practice location on file with NPPES is 757 Westwood Plz Ste 3325, Los Angeles, CA 90095-8358.
- What is Yuichiro Hayashi's phone number?
- The practice phone number listed in the NPPES registry for Yuichiro Hayashi is (310) 267-8628.
- Does Yuichiro Hayashi accept Medicare?
- Yuichiro Hayashi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yuichiro Hayashi's NPI active?
- Yes — Yuichiro Hayashi's NPI (1225471048) is active in the NPPES registry as of the last update on 2019-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.