MR. ROGER WILLIAM LEWIS MD
NPI 1699876086
Obstetrics & Gynecology in Turlock, CA
About Mr. Roger William Lewis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ROGER WILLIAM LEWIS MD (NPI 1699876086) is an individual obstetrics & gynecology provider in Turlock, California, licensed in California (G65192) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Utah School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Mr. Roger William 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 Reassignments
2Medicare enrollment records show Roger Lewis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Turlock, CA 95382
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Obhg California PC
- 711 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 6
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 95382 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TURLOCK, CA 95382
TURLOCK, CA 95382
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 Roger Lewis's NPI number?
The NPI number for Roger Lewis is 1699876086. It was assigned to this individual provider in the NPPES registry on September 26, 2006.
Where is Roger Lewis located?
Roger Lewis practices at 1729 N Olive Ave 3, Turlock, CA 95382. The listed phone number is (209) 634-9034.
What is Roger Lewis's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Roger Lewis enrolled in Medicare?
Yes. Roger 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 Roger Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roger Lewis reassigns Medicare benefits to 2 organizations: Ob Gyn Associates Of Turlock A Medical Group Inc (Turlock, CA) and Obhg California, P.C. (Greenville, SC). 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 Roger 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 Roger Lewis was last updated on October 19, 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.
# Mr. Roger William Lewis, MD · NPI 1699876086
Obstetrics & Gynecology physician in Turlock, California. Individual provider, active in the CMS NPPES registry since September 26, 2006.
## Identity
- **NPI:** 1699876086 (Entity type: Individual)
- **Enumerated:** September 26, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** G65192 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1729 N OLIVE AVE, 3, Turlock, CA 95382-2501
- **Phone:** (209) 634-9034 · **Fax:** (209) 634-0794
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Ob Gyn Associates Of Turlock A Medical Group Inc (NPI 1659472041, Turlock, CA); Obhg California, P.C. (NPI 1215258892, Greenville, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Utah School Of Medicine, class of 1981
## Record status
- **NPPES last updated:** October 19, 2022
- **Other identifiers:** Medicaid 1699876086 (CA); Medicaid GR0043050 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1699876086) · Data from the CMS NPPES public registry.