DR. IAN DOUGLAS MCCART M.D.
NPI 1952362907
Internal Medicine in Cambridge, MA
About Dr. Ian Douglas Mccart M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IAN DOUGLAS MCCART M.D. (NPI 1952362907) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (220806) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Ian Douglas Mccart M.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 Reassignment
Medicare enrollment records show Ian Mccart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ian Mccart's NPI number?
The NPI number for Ian Mccart is 1952362907. It was assigned to this individual provider in the NPPES registry on March 29, 2006.
Where is Ian Mccart located?
Ian Mccart practices at 11 Sciarappa St #3, Cambridge, MA 02141. The listed phone number is (617) 233-4356.
What is Ian Mccart's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ian Mccart enrolled in Medicare?
Yes. Ian Mccart 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 Ian Mccart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Mccart reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). 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 Ian Mccart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ian Mccart was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.