Dennis P. Lewis, MD
Family Medicine Physician · Valencia, CA
Dennis P. Lewis, MD is a family medicine physician with a practice address in Valencia, California, and NPI 1780608190, issued on Jul 27, 2006. Check the license (California G78417, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dennis P. Lewis
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G78417 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23823 Valencia Blvd, Valencia, CA 91355
- Phone
- (661) 254-0026
- Enumerated
- Jul 27, 2006
- Record last updated
- Aug 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (661) 254-1773
- Medicare enrollment
- Enrolled (PECOS I20040326001059); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1992
- Entity
- Type 1 · individual
Also registered at 23823 Valencia Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Herrera, FNPCFamily Nurse Practitioner1962700104
- Erin MartinFamily Nurse Practitioner1992257620
- Christina Soliman, PA-CMedical Physician Assistant1336536127
Verify Dennis P. Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78417Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average family medicine physician in 2024
1,977 Medicare Part D claims for 389 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium119 claims
- Amlodipine Besylate99 claims
- Prednisone92 claims
- Losartan Potassium72 claims
- Levothyroxine Sodium70 claims
- Rosuvastatin Calcium69 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 MIPS final score for 2023 (Medicare payment program): 97.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $844.35
36 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
40 family medicine physician records list a practice address in Valencia
They are 40 of the 2,083 NPPES records with a practice address in Valencia, and 17,133 family medicine physician records in California.
All 40 in Valencia → All 17,133 in California → Every provider in Valencia →
Other family medicine physician records in California
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- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Dennis P. Lewis, MD's NPI number?
Dennis P. Lewis, MD's National Provider Identifier (NPI) is 1780608190, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis P. Lewis, MD located?
The NPPES record lists a practice address at 23823 Valencia Blvd, Valencia, CA, 91355. Phone: (661) 254-0026. Providers update this record themselves, so call before visiting.
How can I verify Dennis P. Lewis, MD's license?
NPPES lists California license number G78417, 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 Dennis P. Lewis, MD prescribe under Medicare Part D?
In 2024, Dennis P. Lewis, MD had 1,977 Medicare Part D claims for 389 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Dennis P. Lewis, MD's MIPS final score?
The 2023 MIPS final score is 97.1 of 100. 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.