Doctor profile · Federal record

Dr. Roger Lewis, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Turlock, CA

  • NPI 1699876086
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1729 N Olive Ave, 3
Turlock, CA 953822501
(209) 634-9034
fax (209) 634-0794

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
October 19, 2022
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #G65192
Medicaid (2)
CA #1699876086 · CA #GR0043050

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699876086. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
143
Distinct HCPCS
6
Medicare allowed
$14,351
HCPCS Description Services Patients Avg allowed
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 39 38 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 34 26 $92
76856 Complete ultrasound scan of pelvis 31 31 $113
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $114
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 13 13 $45
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 11 11 $40

In context: peer comparison

Among 4 peers in Turlock Obstetrics & Gynecology Physician, average services per provider: 26. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$489
Transactions
30
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Shield Therapeutics INC 7 $146.14
Mayne Pharma Commercial LLC 9 $95.83
Astellas Pharma US INC 3 $53.18
Sage Therapeutics, INC. 2 $41.94
Evofem Biosciences, INC. 2 $31.45
Hologic Sales and Service, LLC 1 $22.53
Millicent US INC 1 $19.60
Pfizer INC. 1 $17.44
Boston Scientific Corporation 1 $16.34
Smith+Nephew, INC. 1 $15.63
Sumitomo Pharma America, INC. 1 $15.49
Bayer Healthcare Pharmaceuticals INC. 1 $13.69

By nature of payment

Food and Beverage
$472
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
88
Patients
16
Total drug cost
$11,887
Drug Type Claims Patients Total cost
Estradiol Generic 40 16 $1,945
Tolterodine Tartrate ER (Tolterodine Tartrate) Brand 25 0 $4,394
Prempro (Estrogen,Con/M-Progest Acet) Brand 23 0 $5,548

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Roger Lewis's medical specialty?
Dr. Roger Lewis practices Obstetrics & Gynecology Physician in Turlock, CA.
Where does Dr. Roger Lewis practice?
Dr. Roger Lewis practices at 1729 N Olive Ave, Turlock, CA 953822501. Office phone: 2096349034.
What is Dr. Roger Lewis's NPI?
Dr. Roger Lewis's National Provider Identifier (NPI) is 1699876086, issued by NPPES.
Does Dr. Roger Lewis accept Medicare assignment?
Yes. Dr. Roger Lewis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roger Lewis commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS 76830); Established patient office or other outpatient visit (HCPCS 99213); Complete ultrasound scan of pelvis (HCPCS 76856). Source: CMS Medicare Physician & Other Practitioners file.