JOHN A TAM M.D.
NPI 1073551362
Anesthesiology in Rockville, MD
About John A Tam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN A TAM M.D. (NPI 1073551362) is an individual anesthesiology provider in Rockville, Maryland, licensed in Maryland (D24477) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John A Tam M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Areas of Expertise CMS Part B claims 4
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.
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.
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 John Tam's NPI number?
The NPI number for John Tam is 1073551362. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is John Tam located?
John Tam practices at 14820 Physicians Ln 242, Rockville, MD 20850. The listed phone number is (301) 838-9606.
What is John Tam's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Tam enrolled in Medicare?
Yes. John Tam is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for John Tam was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.