Doctor profile · Federal record

Dr. Lew Barker, MD

Family Medicine Physician (CMS: Family Practice) · Turlock, CA

  • NPI 1295770337
  • Accepts Medicare
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1015 E Main St
Turlock, CA 953803406
(209) 632-3901
Mailing address
600 Coffee RD
Modesto, CA 953554201

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
January 3, 2019
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #G52075
Medicaid
CA #00G520750

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295770337. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,224
Distinct HCPCS
8
Medicare allowed
$132,370
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 513 269 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 408 267 $92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 134 134 $135
96372 Injection of drug or substance under skin or into muscle 59 30 $15
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 53 26 $2
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 26 26 $172
G0009 Administration of pneumococcal vaccine 19 19 $32
90671 Pneumococcal conjugate vaccine, 15 valent (pcv15), for intramuscular use 12 12 $241

In context: peer comparison

Among 13 peers in this city , average services per provider: 126. This provider delivers 9.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$41
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 1 $23.45
PFIZER INC. 1 $17.44

By nature of payment

Food and Beverage
$23
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,499
Patients
1,090
Total drug cost
$78,349
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 535 146 $6,455
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 515 88 $18,676
Amlodipine Besylate Generic 412 100 $3,130
Omeprazole Generic 384 88 $6,300
Levothyroxine Sodium Generic 328 77 $4,861
Lisinopril Generic 324 95 $3,300
Metformin Hcl Generic 292 79 $3,443
Hydrochlorothiazide Generic 278 66 $1,222
Gabapentin Generic 262 58 $8,538
Tamsulosin Hcl Generic 243 54 $3,844

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lew Barker's medical specialty?
Dr. Lew Barker practices Family Medicine Physician in Turlock, CA.
Where does Dr. Lew Barker practice?
Dr. Lew Barker practices at 1015 E Main St, Turlock, CA 953803406. Office phone: 2096323901.
What is Dr. Lew Barker's NPI?
Dr. Lew Barker's National Provider Identifier (NPI) is 1295770337, issued by NPPES.
Does Dr. Lew Barker accept Medicare assignment?
Yes. Dr. Lew Barker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lew Barker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.