DR. TIM JOSEPH LAMER M.D.
NPI 1235126525
Anesthesiology in Rochester, MN
About Dr. Tim Joseph Lamer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIM JOSEPH LAMER M.D. (NPI 1235126525) is an individual anesthesiology provider in Rochester, Minnesota, licensed in Minnesota (28531) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses 3
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. Tim Joseph Lamer 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 Reassignments
2Medicare enrollment records show Tim Lamer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 clinicians in this Medicare group
Red Wing, MN 55066
- Reassigned Medicare billing, Minnesota enrollment
- 1,571 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 10
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.
Mayo Clinic Hospital Rochester
Acute Care Hospitals · Rochester, MNOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCHESTER, MN 55905
ROCHESTER, MN 55905
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 Tim Lamer's NPI number?
The NPI number for Tim Lamer is 1235126525. It was assigned to this individual provider in the NPPES registry on October 1, 2005.
Where is Tim Lamer located?
Tim Lamer practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.
What is Tim Lamer's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Tim Lamer enrolled in Medicare?
Yes. Tim Lamer 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 Tim Lamer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tim Lamer reassigns Medicare benefits to 2 organizations: Mayo Clinic (Rochester, MN) and Mayo Clinic Health System-Southeast Minnesota Region (Red Wing, MN). 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 Tim Lamer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tim Lamer affiliated with any hospitals?
According to CMS data, Tim Lamer is affiliated with Mayo Clinic Hospital Rochester.
When was this NPI record last updated?
The NPPES record for Tim Lamer was last updated on August 4, 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.