Wallace Baker, MD
Family Medicine Physician · Ventura, CA
Wallace Baker, MD is a family medicine physician with a practice address in Ventura, California, and NPI 1790834638, issued on Jan 9, 2007. Check the license (California A93801, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wallace Baker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A93801 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3291 Loma Vista RD, Ventura, CA 93003
- Phone
- (805) 652-6100
- Enumerated
- Jan 9, 2007
- Record last updated
- Jul 10, 2023
- Fax
- (805) 652-3252
- Medicare enrollment
- Enrolled (PECOS I20140715002293); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2004
- 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 3291 Loma Vista RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Wallace Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A93801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average family medicine physician in 2024
1,813 Medicare Part D claims for 359 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 57 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium93 claims
- Losartan Potassium83 claims
- Lisinopril73 claims
- Lisinopril-Hydrochlorothiazide64 claims
- Atorvastatin Calcium63 claims
- Amlodipine Besylate58 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Valley Oak Family Practice Medical Group IncOjai, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wallace Baker among 17,133 family medicine physician records in California
Wallace Baker, 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2004 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
234 family medicine physician records list a practice address in Ventura
They are 234 of the 4,435 NPPES records with a practice address in Ventura, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Ventura → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Charles Adams, M.D.Ventura, CA 930031811925225
- Veronica Butler, M.D.Ventura, CA 930031063472736
- Eric Chun, M.D.Ventura, CA 930031699702381
- Michelle Daucett, D.O.Ventura, CA 930031003873035
- Derrick Dcosta, M.D.Ventura, CA 930031487699005
- James Hermann, M.D.Ventura, CA 930031861442899
- Theodore Hole, M.D.Ventura, CA 930031104873611
- Andrew Kerr, M.D.Ventura, CA 930031487695078
Common questions
What is Wallace Baker, MD's NPI number?
Wallace Baker, MD's National Provider Identifier (NPI) is 1790834638, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Wallace Baker, MD located?
The NPPES record lists a practice address at 3291 Loma Vista RD, Ventura, CA, 93003. Phone: (805) 652-6100. Providers update this record themselves, so call before visiting.
How can I verify Wallace Baker, MD's license?
NPPES lists California license number A93801, 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 Wallace Baker, MD prescribe under Medicare Part D?
In 2024, Wallace Baker, MD had 1,813 Medicare Part D claims for 359 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Wallace Baker, MD's MIPS final score?
The 2023 MIPS final score is 87.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.