April Sunjoo Ahn, NP
- Part D claims, 2024
- 14
- Hospital affiliations
- 1
- Industry payments
- $917
- Medical group
- 1
- State licenses
- 2
- Practice address
- 820 Springer Dr, Lombard, IL 60148
- Practice phone
- Call (815) 744-8554
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pinnacle Dermatology Lab
Clinical Lab - Full Service · Lombard, Illinois
Find April Ahn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
April Sunjoo Ahn is a nurse practitioner in Lombard, Illinois
April Ahn practices at Pinnacle Dermatology Lab in Lombard, Illinois.
April Ahn's NPI, 1205448925, was assigned on August 24, 2020. April Ahn graduated from Georgetown University School of Medicine in 2020. April Ahn holds Virginia license 0024191269.
- NPI
- 1205448925NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092123729
- NPI enumeration date
- August 24, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 744-8554
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
April Sunjoo Ahn practices at Pinnacle Dermatology Lab in Lombard, Illinois
April Ahn's primary practice is Pinnacle Dermatology Lab, at 820 Springer Dr, Lombard, IL 60148. The practice phone is (815) 744-8554.
- Pinnacle Dermatology Lab820 Springer Dr, Lombard, IL 60148Phone(815) 744-8554
Source: Dmand AI Affiliation Data
April Sunjoo Ahn is affiliated with 3 sites of care and 1 medical group
April Ahn's primary practice is Pinnacle Dermatology Lab in Lombard, Illinois. April Ahn is also affiliated with Mary Washington Hospital. The medical group on file is Pinnacle Dermatology. Dmand AI also links April Ahn to 1 more group practice or clinic, named with a free account. April Ahn's employer is on file too: a clinical lab.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at April Sunjoo Ahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where April Ahn practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pinnacle Dermatology Lab | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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April Sunjoo Ahn is one of 4,254 nurse practitioners in Illinois
Nurse practitioner is April Ahn's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has April Ahn's licenses on file in 2 states: Virginia and District of Columbia.
Specialties and state licenses
- Nurse practitioner, VirginiaPrimary
- Acute care nurse practitioner, District of Columbia
Nurse practitioners near April Ahn
Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
April Sunjoo Ahn's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts April Ahn's median patient age at 58, with 60% women.
April Ahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women60%
- Men38%
Source: Dmand AI Patient Panel Data
April Sunjoo Ahn wrote 14 Medicare Part D claims in 2024
In 2024, April Ahn wrote 14 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How April Sunjoo Ahn takes part in Medicare
April Ahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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April Sunjoo Ahn received $917 in industry payments in 2025
CMS Open Payments shows 43 general payments to April Ahn from 12 drug and device companies in 2025. Food and beverage make up the largest share, 89% of the total. Abbvie Inc. paid the most, $263.
General payments to April Ahn by kind, 2025 to 2025
- Food and beverage$81889%
- Education$9911%
Companies that paid April Ahn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
April Sunjoo Ahn graduated from Georgetown University School of Medicine
April Ahn graduated from Georgetown University School of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for April Sunjoo Ahn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about April Sunjoo Ahn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is April Sunjoo Ahn's NPI number?
April Sunjoo Ahn's NPI number is 1205448925. It was assigned on August 24, 2020, and it is active in the NPI Registry.
What does April Sunjoo Ahn specialize in?
April Sunjoo Ahn is a nurse practitioner in Lombard, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does April Sunjoo Ahn practice?
April Ahn practices at 820 Springer Dr, Lombard, IL 60148. April Ahn's primary practice is Pinnacle Dermatology Lab in Lombard, Illinois. Dmand AI also links April Ahn to 1 group practice or clinic.
What is April Sunjoo Ahn's office phone number?
The practice phone on file for April Ahn is (815) 744-8554.
What is April Sunjoo Ahn's medical license number?
April Ahn holds Virginia license 0024191269, one of the licenses on file in 2 states.
Which states has April Sunjoo Ahn been licensed in?
Dmand AI has state licenses on file for April Ahn in Virginia and District of Columbia.
Which hospitals is April Sunjoo Ahn affiliated with?
April Ahn is affiliated with Mary Washington Hospital.
What medical group is April Sunjoo Ahn part of?
April Ahn is linked to Pinnacle Dermatology.
Does April Sunjoo Ahn accept Medicare?
Yes. CMS lists April Ahn as accepting Medicare assignment.
Where did April Sunjoo Ahn go to medical school?
April Ahn graduated from Georgetown University School of Medicine in 2020.
Has April Sunjoo Ahn received payments from drug or device companies?
CMS Open Payments shows $917 in general payments to April Ahn from 12 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has April Sunjoo Ahn been practicing?
April Ahn graduated from medical school in 2020, 6 years ago.
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