Chong Ho Ahn MD Sc
NPI 1578881587 · Internal Medicine Physician · Arlington Hts, IL
Chong Ho Ahn MD Sc is a Internal Medicine Physician organization in Arlington Hts, IL (NPI 1578881587).
Provider details
- NPI number
- 1578881587
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Chong Ahn, President(847) 253-5985
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
16 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
- 2010-05-14
- Last updated
- 2010-05-20
Frequently asked questions
- What is Chong Ho Ahn MD Sc's NPI number?
- Chong Ho Ahn MD Sc's National Provider Identifier (NPI) is 1578881587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Chong Ho Ahn MD Sc?
- Chong Ho Ahn MD Sc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chong Ho Ahn MD Sc located?
- Chong Ho Ahn MD Sc's practice location on file with NPPES is 1430 N Arlington Heights Rd, Arlington Hts, IL 60004-4830.
- What is Chong Ho Ahn MD Sc's phone number?
- The practice phone number listed in the NPPES registry for Chong Ho Ahn MD Sc is (847) 253-5985.
- Who is the authorized official for Chong Ho Ahn MD Sc?
- The authorized official listed on Chong Ho Ahn MD Sc's NPPES record is Chong Ahn, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Chong Ho Ahn MD Sc's NPI active?
- Yes — Chong Ho Ahn MD Sc's NPI (1578881587) is active in the NPPES registry as of the last update on 2010-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.