Roger William Lewis, MD
Obstetrics & Gynecology Physician · Turlock, CA
Roger William Lewis, MD is an obstetrics & gynecology physician with a practice address in Turlock, California, and NPI 1699876086, issued on Sep 26, 2006. Check the license (California G65192, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Roger William Lewis
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G65192 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1729 N Olive Ave, Turlock, CA 95382
- Phone
- (209) 634-9034
- Enumerated
- Sep 26, 2006
- Record last updated
- Oct 19, 2022
- Fax
- (209) 634-0794
- Medicaid IDs
- 1699876086 CA
GR0043050 CA - Medicare enrollment
- Enrolled (PECOS I20051031000396); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1729 N Olive Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roya Dehkordi, MDObstetrics & Gynecology Physician1619149416
- Daniel McCauley, MDObstetrics & Gynecology Physician1710088109
Verify Roger William Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G65192Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
247 Medicare Part D claims for 67 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Estradiol80 claims
- Tolterodine Tartrate Er28 claims
- Prempro22 claims
- Clobetasol Propionate14 claims
- Solifenacin Succinate14 claims
- Acyclovir12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $489.26
30 payments; by number, the most common kind was food and beverage; the largest payer was Shield Therapeutics Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- OB Gyn Associates OF Turlock A Medical Group IncTurlock, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roger William Lewis among 5,088 obstetrics & gynecology physician records in California
Roger William Lewis, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1981 · median 2004 among the 2,700 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Turlock → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Brian Bigelow, MDTurlock, CA 953821033297940
- Roya Dehkordi, MDTurlock, CA 953821619149416
- Daniel McCauley, MDTurlock, CA 953821710088109
- Fatemeh Pazouki, M.DTurlock, CA 953821629240544
- Felix Sanchez, MDTurlock, CA 953821366521650
- William Probst, MDTracy, CA 953771407934391
- Konrad Thomas, MDTracy, CA 953771801870035
- Shubhangi Kesavan, M.D.Tracy, CA 953761164799656
Common questions
What is Roger William Lewis, MD's NPI number?
Roger William Lewis, MD's National Provider Identifier (NPI) is 1699876086, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roger William Lewis, MD located?
The NPPES record lists a practice address at 1729 N Olive Ave, Turlock, CA, 95382. Phone: (209) 634-9034. Providers update this record themselves, so call before visiting.
How can I verify Roger William Lewis, MD's license?
NPPES lists California license number G65192, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Roger William Lewis, MD prescribe under Medicare Part D?
In 2024, Roger William Lewis, MD had 247 Medicare Part D claims for 67 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.