Lew D. Barker, MD
Family Medicine Physician · Turlock, CA
Lew D. Barker, MD is a family medicine physician with a practice address in Turlock, California, and NPI 1295770337, issued on Jun 20, 2006. Check the license (California G52075, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lew D. Barker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G52075 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1015 E Main St, Turlock, CA 95380
- Phone
- (209) 632-3901
- Enumerated
- Jun 20, 2006
- Record last updated
- Jan 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 00G520750 CA
- Medicare enrollment
- Enrolled (PECOS I20090129000381); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1015 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manpreet Bains, MDPediatrics Physician1790965309
- Dan Davidson, MDFamily Medicine Physician1730139239
- Cheryl Horsley, MDInternal Medicine Physician1912935586
- Ying Luo, MDFamily Medicine Physician1972551786
- Anand Magoon, D.O.Family Medicine Physician1144484015
- James Robinson, M.D.Internal Medicine Physician1467491001
Verify Lew D. Barker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G52075Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average family medicine physician in 2024
10,302 Medicare Part D claims for 669 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 635 claims were for opioids.
Most prescribed
- Atorvastatin Calcium514 claims
- Hydrocodone-Acetaminophen457 claims
- Omeprazole396 claims
- Amlodipine Besylate350 claims
- Levothyroxine Sodium328 claims
- Metformin Hcl277 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: $40.89
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Sutter Valley Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lew D. Barker among 17,133 family medicine physician records in California
Lew D. Barker, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1978 · median 2005 among the 10,652 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 family medicine physician records list a practice address in Turlock
They are 43 of the 1,343 NPPES records with a practice address in Turlock, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Turlock → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Dan Davidson, MDTurlock, CA 953801730139239
- Ying Luo, MDTurlock, CA 953801972551786
- Anand Magoon, D.O.Turlock, CA 953801144484015
- Randall Paul, M.D.Turlock, CA 953801912061045
- Razan Taha, M.D.Turlock, CA 953801558674655
- Lorraine Uytingco, M.DTurlock, CA 953801710079967
- Rufino Uytingco, M.DTurlock, CA 953801740372762
- Kenneth Renwick, Jr., MD, MPH, FAAFPTuolumne, CA 953791659344356
Common questions
What is Lew D. Barker, MD's NPI number?
Lew D. Barker, MD's National Provider Identifier (NPI) is 1295770337, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lew D. Barker, MD located?
The NPPES record lists a practice address at 1015 E Main St, Turlock, CA, 95380. Phone: (209) 632-3901. Providers update this record themselves, so call before visiting.
How can I verify Lew D. Barker, MD's license?
NPPES lists California license number G52075, 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 Lew D. Barker, MD prescribe under Medicare Part D?
In 2024, Lew D. Barker, MD had 10,302 Medicare Part D claims for 669 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.