JUNJIE LIU M.D. PH.D.
NPI 1619356383
Internal Medicine - Sleep Medicine in Iowa City, IA
About Junjie Liu M.d. Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUNJIE LIU M.D. PH.D. (NPI 1619356383) is an individual sleep medicine provider in Iowa City, Iowa, licensed in Iowa (MD-47343) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with University Of Iowa Health Care Medical Center Down, and is a graduate of Geisel School Of Medicine At Dartmouth (2015).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Junjie Liu M.d. Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Junjie Liu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Iowa City, IA 52242
- Reassigned Medicare billing, Iowa enrollment
- 2,190 clinicians in this Medicare group
Greenwich, CT 06830
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Northeast Medical Group Inc
- 1,824 clinicians in this Medicare group
Hamden, CT 06514
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Iowa Health Care Medical Center Down
Acute Care Hospitals · Iowa City, IAUniversity Of Iowa Hospital & Clinics
Acute Care Hospitals · Iowa City, IANorthern Light A R Gould Hospital
Acute Care Hospitals · Presque Isle, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52242 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 15
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
IOWA CITY, IA 52242
IOWA CITY, IA 52242
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 Junjie Liu's NPI number?
The NPI number for Junjie Liu is 1619356383. It was assigned to this individual provider in the NPPES registry on May 27, 2015.
Where is Junjie Liu located?
Junjie Liu practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 356-2571.
What is Junjie Liu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.
Is Junjie Liu enrolled in Medicare?
Yes. Junjie Liu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Junjie Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Junjie Liu reassigns Medicare benefits to 3 organizations: State University Of Iowa (Iowa City, IA), Mill Hill Medical Consultants Inc (Greenwich, CT) and Yale University (Hamden, CT). Each 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 Junjie Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Junjie Liu accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 3 other insurers list Junjie Liu 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 Junjie Liu affiliated with any hospitals?
According to CMS data, Junjie Liu is affiliated with University Of Iowa Health Care Medical Center Down, University Of Iowa Hospital & Clinics and Northern Light A R Gould Hospital.
When was this NPI record last updated?
The NPPES record for Junjie Liu was last updated on July 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.