DR. TIMOTHY S LANCASTER M.D.
NPI 1912261835
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Ann Arbor, MI
About Dr. Timothy S Lancaster M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY S LANCASTER M.D. (NPI 1912261835) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Ann Arbor, Michigan, licensed in Michigan (4301503911) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Timothy S Lancaster 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 Timothy Lancaster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 2,377 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.
Physician 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.
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 Timothy Lancaster's NPI number?
The NPI number for Timothy Lancaster is 1912261835. It was assigned to this individual provider in the NPPES registry on June 25, 2012.
Where is Timothy Lancaster located?
Timothy Lancaster practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is Timothy Lancaster's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Timothy Lancaster enrolled in Medicare?
Yes. Timothy Lancaster 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 Timothy Lancaster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Lancaster reassigns Medicare benefits to Regents Of The University Of Michigan (Ann Arbor, MI). 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 Timothy Lancaster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Lancaster accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Timothy Lancaster 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.
When was this NPI record last updated?
The NPPES record for Timothy Lancaster was last updated on January 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Timothy S Lancaster, M.D. · NPI 1912261835
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since June 25, 2012.
## Identity
- **NPI:** 1912261835 (Entity type: Individual)
- **Enumerated:** June 25, 2012
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** 4301503911 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109-5000
- **Phone:** (734) 936-4000
## 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:** Regents Of The University Of Michigan (NPI 1003848144, Ann Arbor, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** January 26, 2023
- **Other identifiers:** Other 2012018946 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1912261835) · Data from the CMS NPPES public registry.