Greg Yahiro MD Ltd
NPI 1225047194 · Internal Medicine Physician · Downers Grove, IL
Greg Yahiro MD Ltd is a Internal Medicine Physician organization in Downers Grove, IL (NPI 1225047194).
Provider details
- NPI number
- 1225047194
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Greg Yahiro, President(630) 434-9700
Specialties & taxonomies
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-07
- Last updated
- 2008-04-20
Frequently asked questions
- What is Greg Yahiro MD Ltd's NPI number?
- Greg Yahiro MD Ltd's National Provider Identifier (NPI) is 1225047194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greg Yahiro MD Ltd?
- Greg Yahiro MD Ltd is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greg Yahiro MD Ltd located?
- Greg Yahiro MD Ltd's practice location on file with NPPES is 3825 Highland Ave, Downers Grove, IL 60515-1552.
- What is Greg Yahiro MD Ltd's phone number?
- The practice phone number listed in the NPPES registry for Greg Yahiro MD Ltd is (630) 434-9700.
- Who is the authorized official for Greg Yahiro MD Ltd?
- The authorized official listed on Greg Yahiro MD Ltd's NPPES record is Greg Yahiro, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greg Yahiro MD Ltd's NPI active?
- Yes — Greg Yahiro MD Ltd's NPI (1225047194) is active in the NPPES registry as of the last update on 2008-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.