LESTER BOWSER M.D.
NPI 1043206873
Internal Medicine - Gastroenterology in Baltimore, MD
About Lester Bowser M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LESTER BOWSER M.D. (NPI 1043206873) is an individual gastroenterology provider in Baltimore, Maryland, licensed in Maryland (D0052005) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and is a graduate of University Of Pittsburgh School Of Medicine (1994).
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 and accepts Medicare assignment
Lester Bowser 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.
Areas of Expertise CMS Part B claims 11
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Franklin Square Medical Center
Acute Care Hospitals · Rosedale, MDMedstar Union Memorial Hospital
Acute Care Hospitals · Baltimore, MDMedstar Good Samaritan Hospital
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21208 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.
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.
BALTIMORE, MD 21208
PIKESVILLE, MD 21208
PIKESVILLE, MD 21208
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 Lester Bowser's NPI number?
The NPI number for Lester Bowser is 1043206873. It was assigned to this individual provider in the NPPES registry on September 27, 2005.
Where is Lester Bowser located?
Lester Bowser practices at 1838 Greene Tree Rd Ste 400, Baltimore, MD 21208. The listed phone number is (410) 602-7782.
What is Lester Bowser's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Lester Bowser enrolled in Medicare?
Yes. Lester Bowser 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.
Is Lester Bowser affiliated with any hospitals?
According to CMS data, Lester Bowser is affiliated with Medstar Franklin Square Medical Center, Medstar Union Memorial Hospital and Medstar Good Samaritan Hospital.
When was this NPI record last updated?
The NPPES record for Lester Bowser was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.
