NPPES file of Aug 9, 2026

Ricardo Enrique McKenzie, M.D.

Internal Medicine Physician · Lynwood, CA

Ricardo Enrique McKenzie, M.D. is an internal medicine physician with a practice address in Lynwood, California, and NPI 1104823814, issued on Jul 7, 2005. Check the license (California A43601, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104823814
Name
Ricardo Enrique McKenzie
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A43601 CA
Self-reported in NPPES; status is on the state search
Practice location
3680 E Imperial Hwy, Lynwood, CA 90262
Phone
(310) 604-3456
Enumerated
Jul 7, 2005
Record last updated
Jul 29, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(310) 762-6442
Medicare enrollment
Enrolled (PECOS I20101006000388); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3680 E Imperial Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brisa AguilarRehabilitation Practitioner1184130718
  2. Casandra Chable EstrellaMarriage & Family Therapist1568051613
  3. Fabby ContrerasRehabilitation Practitioner1033666565
  4. Yessica De LeonClinical Social Worker1033080460
  5. Paola Echeverria GuzmanSocial Worker1861382012
  6. Arcelia Gallegos RamirezCommunity Health Worker1013782341

Verify Ricardo Enrique McKenzie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A43601
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

133 Medicare Part D claims for 63 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Ricardo McKenzie133
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate12 claims
  2. Losartan Potassium12 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.

Ricardo Enrique McKenzie among 17,696 internal medicine physician records in California

Ricardo Enrique McKenzie, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1982 · median 2004 among the 11,065 with a school on file
  • Record last updated2014 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in California

There are 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jatin Bhatt, MDLynwood, CA 902621366487357
  2. Lisa Brockman, DOLynwood, CA 902621063417798
  3. Beverly Davis, M.D.Lynwood, CA 902621821002874
  4. Nijole Glaze, M.D.Lynwood, CA 902621356414262
  5. Alva Marsh, MDLynwood, CA 902621619036621
  6. Ashok Raheja, M.D.Lynwood, CA 902621760591564
  7. Odette Tawadrous, MDLynwood, CA 902621669661492
  8. John Cheung, D.O.Lawndale, CA 902601215364559

Common questions

What is Ricardo Enrique McKenzie, M.D.'s NPI number?

Ricardo Enrique McKenzie, M.D.'s National Provider Identifier (NPI) is 1104823814, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ricardo Enrique McKenzie, M.D. located?

The NPPES record lists a practice address at 3680 E Imperial Hwy, Lynwood, CA, 90262. Phone: (310) 604-3456. Providers update this record themselves, so call before visiting.

How can I verify Ricardo Enrique McKenzie, M.D.'s license?

NPPES lists California license number A43601, 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 Ricardo Enrique McKenzie, M.D. prescribe under Medicare Part D?

In 2024, Ricardo Enrique McKenzie, M.D. had 133 Medicare Part D claims for 63 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.