Dr. Ricardo Enrique McKenzie, MD
- Medicare services, 2024
- 121
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 133
- Hospital affiliations
- 1
- Industry payments
- $1,298
- Practice address
- 3630 East Imperial Highway, Lynwood, CA 90262
- Practice phone
- Call (310) 900-8900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McKenzie's professional email, personal email and mobile number
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Dr. Ricardo Enrique McKenzie is an internist in Lynwood, California
Dr. McKenzie practices at St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services.
Dr. McKenzie's NPI, 1104823814, was assigned on July 7, 2005. Dr. McKenzie graduated from Universidad Anahuac School of Medicine in 1982. Dr. McKenzie holds California license A43601.
- NPI
- 1104823814NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901098177
- NPI enumeration date
- July 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 900-8900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ricardo Enrique McKenzie practices at St. Francis Medical Center in Lynwood, California
Dr. McKenzie's primary practice is St. Francis Medical Center, at 3630 East Imperial Highway, Lynwood, CA 90262 in Los Angeles County. The practice phone is (310) 900-8900.
- St. Francis Medical Center3630 East Imperial Highway, Lynwood, CA 90262 · Los Angeles CountyPhone(310) 900-8900
Source: Dmand AI Affiliation Data
Dr. Ricardo Enrique McKenzie is affiliated with 2 sites of care
Dr. McKenzie's primary practice is St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services. Dmand AI also links Dr. McKenzie to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ricardo Enrique McKenzie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McKenzie practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Francis Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ricardo Enrique McKenzie is one of 16,751 internists in California
Internal medicine is Dr. McKenzie's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. McKenzie's licenses on file in 3 states: California, Nevada and New York.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Nevada license
- New York license
Clinical focus
Dmand AI lists acute respiratory failure, atherosclerosis, circulatory problems in extremities, congestive heart failure, electrolyte disorders, gastrointestinal bleeding, headaches and lung disease: COPD, asthma or bronchitis among the conditions Dr. McKenzie treats.
Internists near Dr. McKenzie
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ricardo Enrique McKenzie billed Medicare for 121 services in 2024
CMS data shows 121 Medicare services from Dr. McKenzie across 3 procedure codes in 2024, for 30 Medicare patients. Medicare paid $9,635 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. McKenzie's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2052024: 12141%
Dr. McKenzie compared with the California median for internists, 2024
- Dr. McKenzie
- California median
- Medicare services
- 121vs 36166% below
- Medicare patients
- 30vs 15180% below
- Part D claims
- 24vs 42194% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. McKenzie's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. McKenzie?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McKenzie and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ricardo Enrique McKenzie treated 30 Medicare patients in 2024, average age 70
CMS counts 30 Medicare patients who saw Dr. McKenzie in 2024. The largest group is 65 to 74, with 12 patients. 75% of them have chronic kidney disease, and 75% have diabetes. Their average risk score is 6.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. McKenzie's median patient age at 57, with 50% women.
Dr. McKenzie's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McKenzie's Medicare patients by sex, 2024
- Women1757%
- Men1343%
Chronic conditions among Dr. McKenzie's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Arthritis70%
- COPD53%
Share of Medicare patients with each condition. A patient can have several.
Dr. McKenzie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ricardo Enrique McKenzie wrote 133 Medicare Part D claims in 2024
In 2024, Dr. McKenzie wrote 133 Medicare Part D claims for 63 patients. 77% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $86 in total drug cost. In 2023, CMS named 101 claims across 7 drugs.
Dr. McKenzie's Part D claims by kind of drug, 2024
- Generic102 claims77%
- Brand-name and other31 claims23%
Dr. McKenzie's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. McKenzie's Part D claims, 2024
- Antibiotics14%19 of 133 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1012024: 2476%
Drugs named by CMS: 2 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ricardo Enrique McKenzie takes part in Medicare
Dr. McKenzie accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ricardo Enrique McKenzie received $1,298 in industry payments from 2016 to 2020
CMS Open Payments shows 73 general payments to Dr. McKenzie from 10 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 97% of the total. Sanofi and Genzyme US Companies paid the most, $423.
General payments to Dr. McKenzie by program year, 2016 to 2020
General payments to Dr. McKenzie by kind, 2016 to 2020
- Food and beverage$1,25997%
- Education$393%
Companies that paid Dr. McKenzie the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ricardo Enrique McKenzie graduated from Universidad Anahuac School of Medicine
Dr. McKenzie graduated from Universidad Anahuac School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ricardo Enrique McKenzie accepts plans from 7 insurance carriers
Dr. McKenzie is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and Elevance. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Molina
- Regence Health Plans
- Humana
Plan types Dr. McKenzie accepts, by number of carriers
- Medicare5
- HMO4
- PPO4
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Ricardo Enrique McKenzie's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ricardo Enrique McKenzie
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ricardo Enrique McKenzie's NPI number?
Dr. Ricardo Enrique McKenzie's NPI number is 1104823814. It was assigned on July 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ricardo Enrique McKenzie?
Dr. Ricardo Enrique McKenzie is an internist in Lynwood, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ricardo Enrique McKenzie practice?
Dr. McKenzie practices at 3630 East Imperial Highway, Lynwood, CA 90262. Dr. McKenzie's primary practice is St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services. Dmand AI also links Dr. McKenzie to 1 physician office.
What is Dr. Ricardo Enrique McKenzie's office phone number?
The practice phone on file for Dr. McKenzie is (310) 900-8900.
What is Dr. Ricardo Enrique McKenzie's medical license number?
Dr. McKenzie holds California license A43601, one of the licenses on file in 3 states.
Which states has Dr. Ricardo Enrique McKenzie been licensed in?
Dmand AI has state licenses on file for Dr. McKenzie in California (1987 to 2026), Nevada (1996 to 1999) and New York (1984 to 1987).
Which hospitals is Dr. Ricardo Enrique McKenzie affiliated with?
Dr. McKenzie practices at St. Francis Medical Center in Lynwood, California.
Does Dr. Ricardo Enrique McKenzie accept Medicare?
Yes. CMS data shows Dr. McKenzie billed Medicare for 121 services in 2024, and Dr. McKenzie accepts Medicare assignment.
How many Medicare patients does Dr. Ricardo Enrique McKenzie see?
CMS counts 30 Medicare patients who saw Dr. McKenzie in 2024, with an average age of 70.
What services does Dr. Ricardo Enrique McKenzie bill to Medicare?
In 2024, Dr. McKenzie's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99223).
Show 5 more questionsShow fewer questions
Where did Dr. Ricardo Enrique McKenzie go to medical school?
Dr. McKenzie graduated from Universidad Anahuac School of Medicine in 1982.
What drugs does Dr. Ricardo Enrique McKenzie prescribe most?
In 2024 Medicare Part D data, Dr. McKenzie's most prescribed drugs by claims were Amlodipine Besylate and Losartan Potassium.
Has Dr. Ricardo Enrique McKenzie received payments from drug or device companies?
CMS Open Payments shows $1,298 in general payments to Dr. McKenzie from 10 companies from 2016 to 2020. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Ricardo Enrique McKenzie been practicing?
Dr. McKenzie graduated from medical school in 1982, 44 years ago.
What insurance does Dr. Ricardo Enrique McKenzie accept?
Dr. McKenzie is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and Elevance. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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