JANNY CHUN
NPI 1831873967
Internal Medicine in West Reading, PA

Active since June 09, 2023PECOS Enrolled
420 S 5TH AVE, WEST READING, PA 19611(484) 628-8000 Get Directions Write a Review

NPPES record last updated: July 3, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Janny Chun NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JANNY CHUN (NPI 1831873967) is an individual internal medicine provider in West Reading, Pennsylvania, licensed in Pennsylvania (OS024522) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS, is affiliated with Reading Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2023).

NPPES Registry Identity

NPI1831873967
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJANNY CHUN
Location Address420 S 5TH AVEWest Reading, PA 19611-2143
Mailing AddressPo Box 13579Reading, PA 19612-3579
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2023
Enumeration DateJune 9, 2023
Last NPPES UpdateJuly 3, 2026
NPPES CertifiedJuly 3, 2026
✔ NPI 1831873967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · OS024522
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
420 S 5TH AVE, West Reading, PA 19611

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Janny Chun is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6507226941
PECOS Enrollment IDI20260729004359
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Janny Chun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anatomic Pathology & Clinical Pathology
420 S 5TH AVE
West Reading, PA 19611
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,473 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Reading Hospital

Acute Care Hospitals · West Reading, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390044
Location420 S 5th AvenueWest Reading, PA 19611 · Berks County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
420 S 5TH AVE
WEST READING, PA 19611
Student in an Organized Health Care Education/Training Program
420 S 5TH AVE
WEST READING, PA 19611
Student in an Organized Health Care Education/Training Program
420 S 5TH AVE
WEST READING, PA 19611
Pathology (Forensic Pathology)
420 S 5TH AVE
WEST READING, PA 19611
Physician Assistant
420 S 5TH AVE
WEST READING, PA 19611
Surgery
420 S 5TH AVE
WEST READING, PA 19611
Nurse Practitioner (Family)
420 S 5TH AVE
READING, PA 19611
Emergency Medicine
420 S 5TH AVE
WEST READING, PA 19611

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Janny Chun's NPI number?

The NPI number for Janny Chun is 1831873967. It was assigned to this individual provider in the NPPES registry on June 9, 2023.

Where is Janny Chun located?

Janny Chun practices at 420 S 5th Ave, West Reading, PA 19611. The listed phone number is (484) 628-8000.

What is Janny Chun's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Janny Chun enrolled in Medicare?

Yes. Janny Chun is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Janny Chun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Janny Chun reassigns Medicare benefits to Tower Health Medical Group (West Reading, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Janny Chun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Janny Chun accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Janny Chun as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Janny Chun affiliated with any hospitals?

According to CMS data, Janny Chun is affiliated with Reading Hospital.

When was this NPI record last updated?

The NPPES record for Janny Chun was last updated on July 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.