JONATHAN YU XIA MD, PHD
NPI 1578094918
Internal Medicine - Gastroenterology in Ann Arbor, MI
About Jonathan Yu Xia Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN YU XIA MD, PHD (NPI 1578094918) is an individual gastroenterology provider in Ann Arbor, Michigan, licensed in Michigan (4301512272) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Locations 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
Jonathan Yu Xia Md, Phd 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
4Medicare enrollment records show Jonathan Xia reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 2,377 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Petoskey, MI 49770
- Reassigned Medicare billing, Michigan enrollment
- 149 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Illinois enrollment
- 507 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
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 Jonathan Xia's NPI number?
The NPI number for Jonathan Xia is 1578094918. It was assigned to this individual provider in the NPPES registry on March 27, 2017.
Where is Jonathan Xia located?
Jonathan Xia practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 647-5299.
What is Jonathan Xia's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Jonathan Xia enrolled in Medicare?
Yes. Jonathan Xia 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 Jonathan Xia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Xia reassigns Medicare benefits to 4 organizations: Regents Of The University Of Michigan (Ann Arbor, MI), Endeavor Health Medical Group (Evanston, IL), Mclaren Northern Michigan (Petoskey, MI) and Fairview Heights Medical Group, Sc (Saint Louis, MO). 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 Jonathan Xia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonathan Xia accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Jonathan Xia 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 Jonathan Xia affiliated with any hospitals?
According to CMS data, Jonathan Xia is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Jonathan Xia was last updated on September 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Jonathan Yu Xia, MD, PHD · NPI 1578094918
Gastroenterology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since March 27, 2017.
## Identity
- **NPI:** 1578094918 (Entity type: Individual)
- **Enumerated:** March 27, 2017
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 4301512272 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109-5000
- **Phone:** (734) 647-5299
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of Michigan (NPI 1003848144, Ann Arbor, MI); Endeavor Health Medical Group (NPI 1265695944, Evanston, IL); Mclaren Northern Michigan (NPI 1760736094, Petoskey, MI); Fairview Heights Medical Group, Sc (NPI 1811392210, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2017
## Record status
- **NPPES last updated:** September 17, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1578094918) · Data from the CMS NPPES public registry.