WILLIAM BARTON MD
NPI 1710024641
Internal Medicine - Pulmonary Disease in Princeton, NJ
About William Barton Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM BARTON MD (NPI 1710024641) is an individual pulmonary disease provider in Princeton, New Jersey, licensed in New Jersey (25MA06209100) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with University Medical Center Of Princeton At Plainsboro, and is a graduate of Vanderbilt University School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 10
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
William Barton Md 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 Reassignment
Medicare enrollment records show William Barton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Princeton, NJ 08540
- Reassigned Medicare billing, New Jersey enrollment
- 36 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 30
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Medical Center Of Princeton At Plainsboro
Acute Care Hospitals · Plainsboro, NJRobert Wood Johnson University Hospital - Somerset
Acute Care Hospitals · Somerville, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08540 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 19
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.
PRINCETON, NJ 08540
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 William Barton's NPI number?
The NPI number for William Barton is 1710024641. It was assigned to this individual provider in the NPPES registry on January 31, 2007.
Where is William Barton located?
William Barton practices at 419 N Harrison St, Princeton, NJ 08540. The listed phone number is (609) 924-9300.
What is William Barton's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is William Barton enrolled in Medicare?
Yes. William Barton 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 organization bills Medicare for William Barton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Barton reassigns Medicare benefits to Princeton Medical Group,p.A. (Princeton, NJ). 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 William Barton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Barton affiliated with any hospitals?
According to CMS data, William Barton is affiliated with University Medical Center Of Princeton At Plainsboro and Robert Wood Johnson University Hospital - Somerset.
When was this NPI record last updated?
The NPPES record for William Barton was last updated on March 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.