DR. HERBERT ANDERSON LEWIS IV M.D.
NPI 1558657635
Family Medicine in Russellville, AR
About Dr. Herbert Anderson Lewis Iv M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HERBERT ANDERSON LEWIS IV M.D. (NPI 1558657635) is an individual family medicine provider in Russellville, Arkansas, licensed in Arkansas (E-7839) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fayetteville, and is a graduate of University Of Arkansas College Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
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. Herbert Anderson Lewis Iv 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
5Medicare enrollment records show Herbert Lewis reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Russellville, AR 72801
- Reassigned Medicare billing, Arkansas enrollment
- Medicare enrollment name: St Marys Physician Services LLC
- 136 clinicians in this Medicare group
Berryville, AR 72616
- Reassigned Medicare billing, Arkansas enrollment
- 90 clinicians in this Medicare group
Springdale, AR 72764
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1699076737 (Arkansas)
- 472 clinicians in this Medicare group
Springdale, AR 72762
- Reassigned Medicare billing, Arkansas enrollment
- 148 clinicians in this Medicare group
Bentonville, AR 72712
- Reassigned Medicare billing, Arkansas enrollment
- 136 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72801 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.
Reported Quality Measures
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 Herbert Lewis's NPI number?
The NPI number for Herbert Lewis is 1558657635. It was assigned to this individual provider in the NPPES registry on June 27, 2011. The provider is also known as Dr. Drew Lewis.
Where is Herbert Lewis located?
Herbert Lewis practices at St Mary's Hospitalist Group 1808 W Main St, Russellville, AR 72801. The listed phone number is (479) 964-4178.
What is Herbert Lewis's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Herbert Lewis enrolled in Medicare?
Yes. Herbert 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 organizations bill Medicare for Herbert Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Herbert Lewis reassigns Medicare benefits to 5 organizations: St Mary's Physician Services LLC (Russellville, AR), Mercy Hospital Berryville (Berryville, AR), Mercy Health Northwest Arkansas Communities (Springdale, AR), South Arkansas Emergency Physicians, LLP (Springdale, AR) and Northwest Benton County Physician Services LLC (Bentonville, AR). 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 Herbert 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 Herbert Lewis was last updated on August 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Herbert Anderson Lewis IV, M.D. · NPI 1558657635
Family Medicine physician in Russellville, Arkansas. Individual provider, active in the CMS NPPES registry since June 27, 2011.
## Identity
- **NPI:** 1558657635 (Entity type: Individual)
- **Enumerated:** June 27, 2011
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** E-7839 (Arkansas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** ST MARY'S HOSPITALIST GROUP, 1808 W MAIN ST, Russellville, AR 72801-2724
- **Phone:** (479) 964-4178
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): St Mary's Physician Services LLC (NPI 1124084991, Russellville, AR); Mercy Hospital Berryville (NPI 1457306326, Berryville, AR); Mercy Health Northwest Arkansas Communities (NPI 1407266760, Springdale, AR); South Arkansas Emergency Physicians, LLP (NPI 1184045056, Springdale, AR); Northwest Benton County Physician Services LLC (NPI 1871553073, Bentonville, AR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arkansas College Of Medicine, class of 2011
## Record status
- **NPPES last updated:** August 5, 2021
- **Other identifiers:** Medicaid 199346001 (AR)
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Source: [NPI Profile](https://npiprofile.com/npi/1558657635) · Data from the CMS NPPES public registry.