Junbum Ahn, MSN, APRN, PMHNP-BC
NPI 1699508838 · Psychiatric/Mental Health Nurse Practitioner · Downers Grove, IL
Junbum Ahn, MSN, APRN, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Downers Grove, IL (NPI 1699508838).
Provider details
- NPI number
- 1699508838
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, APRN, PMHNP-BC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1171032 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
1 yr in NPPES registry
- Profile completeness33% of score
100% 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.
$337 across 3 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
- 2024-08-22
- Last updated
- 2024-10-15
- Certified
- 2024-10-15
Frequently asked questions
- What is Junbum Ahn's NPI number?
- Junbum Ahn's National Provider Identifier (NPI) is 1699508838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Junbum Ahn's specialty?
- Junbum Ahn is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Junbum Ahn located?
- Junbum Ahn's practice location on file with NPPES is 1431 Opus Pl Ste 110, Downers Grove, IL 60515-1164.
- What is Junbum Ahn's phone number?
- The practice phone number listed in the NPPES registry for Junbum Ahn is (888) 279-0002.
- Is Junbum Ahn's NPI active?
- Yes — Junbum Ahn's NPI (1699508838) is active in the NPPES registry as of the last update on 2024-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.