Chihiro Hirai-Adachi
NPI 1568993517 · Obstetrics & Gynecology Physician · Las Vegas, NV
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chihiro Hirai-Adachi is a Obstetrics & Gynecology Physician provider in Las Vegas, NV (NPI 1568993517).
Provider details
- NPI number
- 1568993517
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$122 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
- 2017-03-22
- Last updated
- 2021-12-09
- Certified
- 2021-12-09
Frequently asked questions
- What is Chihiro Hirai-Adachi's NPI number?
- Chihiro Hirai-Adachi's National Provider Identifier (NPI) is 1568993517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chihiro Hirai-Adachi's specialty?
- Chihiro Hirai-Adachi is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Chihiro Hirai-Adachi located?
- Chihiro Hirai-Adachi's practice location on file with NPPES is 420 N Nellis Blvd, Las Vegas, NV 89110-5364.
- What is Chihiro Hirai-Adachi's phone number?
- The practice phone number listed in the NPPES registry for Chihiro Hirai-Adachi is (702) 877-5199.
- Does Chihiro Hirai-Adachi accept Medicare?
- Chihiro Hirai-Adachi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chihiro Hirai-Adachi's NPI active?
- Yes — Chihiro Hirai-Adachi's NPI (1568993517) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.