DR. MICHAEL DAVID LEWIS MD
NPI 1740465004
Preventive Medicine - Public Health & General Preventive Medicine in Potomac, MD
About Dr. Michael David Lewis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL DAVID LEWIS MD (NPI 1740465004) is an individual public health & general preventive medicine provider in Potomac, Maryland, licensed in Maryland (D0046727) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (1993).
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. Michael David Lewis Md 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 Michael Lewis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 1,534 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 20854 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.
POTOMAC, MD 20854
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 Michael Lewis's NPI number?
The NPI number for Michael Lewis is 1740465004. It was assigned to this individual provider in the NPPES registry on January 7, 2008.
Where is Michael Lewis located?
Michael Lewis practices at 7811 Montrose Rd Ste 340, Potomac, MD 20854. The listed phone number is (240) 235-4193.
What is Michael Lewis's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.
Is Michael Lewis enrolled in Medicare?
Yes. Michael Lewis 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 Michael Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Lewis reassigns Medicare benefits to Privia Medical Group, LLC (Arlington, VA). 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 Michael Lewis'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 Michael Lewis was last updated on June 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Michael David Lewis, MD · NPI 1740465004
Public Health & General Preventive Medicine physician in Potomac, Maryland. Individual provider, active in the CMS NPPES registry since January 7, 2008.
## Identity
- **NPI:** 1740465004 (Entity type: Individual)
- **Enumerated:** January 7, 2008
- **Primary specialty:** Preventive Medicine - Public Health & General Preventive Medicine · taxonomy 2083P0901X
- **State license:** D0046727 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7811 MONTROSE RD STE 340, Potomac, MD 20854-3363
- **Phone:** (240) 235-4193
## 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:** Privia Medical Group, LLC (NPI 1013042480, Arlington, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 1993
## Record status
- **NPPES last updated:** June 7, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1740465004) · Data from the CMS NPPES public registry.