Dr. Johnny Miller McKenzie, MD
- Medicare services, 2024
- 256
- Medicare patients, 2024
- 250
- Part D claims, 2024
- 133
- Publications
- 1
- Hospital affiliations
- 5
- Practice address
- 1000 First Street North, Alabaster, AL 35007
- Practice phone
- Call (205) 620-8100
- 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. Johnny Miller McKenzie is an internist in Alabaster, Alabama
Dr. McKenzie practices at Baptist Health Shelby Hospital in Alabaster, Alabama, part of Orlando Health.
Dr. McKenzie's NPI, 1669979985, was assigned on April 12, 2018. Dr. McKenzie graduated from University of Mississippi School of Medicine in 2018. Dr. McKenzie holds Alabama license MD.38448.
- NPI
- 1669979985NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719213156
- NPI enumeration date
- April 12, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (205) 620-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Johnny Miller McKenzie practices at Baptist Health Shelby Hospital in Alabaster, Alabama
Dr. McKenzie's primary practice is Baptist Health Shelby Hospital, at 1000 First Street North, Alabaster, AL 35007 in Shelby County. The practice phone is (205) 620-8100.
- Baptist Health Shelby Hospital1000 First Street North, Alabaster, AL 35007 · Shelby CountyPhone(205) 620-8100
Source: Dmand AI Affiliation Data
Dr. Johnny Miller McKenzie is affiliated with 8 sites of care and 2 medical groups
Dr. McKenzie's primary practice is Baptist Health Shelby Hospital in Alabaster, Alabama, part of Orlando Health. Dr. McKenzie is also affiliated with Baptist Health Princeton Hospital. The medical group on file is Hospital Physician Services - Southeast Professional Corporation. Dmand AI also links Dr. McKenzie to 3 more hospitals, 2 group practices and clinics, 1 hospice and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Johnny Miller McKenzie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McKenzie practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Health Shelby Hospital | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Johnny Miller McKenzie is one of 1,685 internists in Alabama
Internal medicine is Dr. McKenzie's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. McKenzie is licensed in Alabama.
Specialties and state licenses
- Internal medicine, AlabamaPrimary
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. Johnny Miller McKenzie billed Medicare for 256 services in 2024
CMS data shows 256 Medicare services from Dr. McKenzie across 3 procedure codes in 2024, for 250 Medicare patients. Medicare paid $33,778 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: 3102024: 25617%
Dr. McKenzie compared with the Alabama median for internists, 2024
- Dr. McKenzie
- Alabama median
- Medicare services
- 256vs 66461% below
- Medicare patients
- 250vs 20323% above
- Part D claims
- 32vs 50094% below
Medians across 1,610 internists in Alabama 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 Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Johnny Miller McKenzie treated 250 Medicare patients in 2024, average age 75
CMS counts 250 Medicare patients who saw Dr. McKenzie in 2024. The largest group is 75 to 84, with 87 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.66, 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 72, with 52% women.
Dr. McKenzie's Medicare patients by age, 2024
Dr. McKenzie's Medicare patients by sex, 2024
- Women13253%
- Men11847%
Chronic conditions among Dr. McKenzie's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Chronic kidney disease55%
- Heart failure54%
- Ischemic heart disease54%
- Diabetes52%
- Mood disorders47%
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 72
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Johnny Miller McKenzie wrote 133 Medicare Part D claims in 2024
In 2024, Dr. McKenzie wrote 133 Medicare Part D claims for 32 patients. 78% of them were for generic drugs. CMS names the drug for 32 of them, across 2 drugs with 11 or more claims each, at $559 in total drug cost.
Dr. McKenzie's Part D claims by kind of drug, 2024
- Generic104 claims78%
- Brand-name29 claims22%
Dr. McKenzie's most prescribed drugs by claims, 2020
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
- Opioids9%12 of 133 claims
- Antibiotics16%21 of 133 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Johnny Miller 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. Johnny Miller McKenzie has 1 publication on record
Dmand AI links 1 paper to Dr. McKenzie in 2021. Dr. McKenzie's most frequent co-author is Lauren Lavender Pacheco, MD.
Dr. McKenzie's most frequent co-authors
Recent publications by Dr. McKenzie
See who Dr. McKenzie researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McKenzie works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Johnny Miller McKenzie received $184 in industry payments from 2019 to 2022
CMS Open Payments shows 5 general payments to Dr. McKenzie from 4 drug and device companies from 2019 to 2022. Education make up the largest share, 54% of the total. Allergan Inc. paid the most, $100.
General payments to Dr. McKenzie by program year, 2019 to 2022
General payments to Dr. McKenzie by kind, 2019 to 2022
- Education$10054%
- Food and beverage$8446%
Companies that paid Dr. McKenzie the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Johnny Miller McKenzie graduated from University of Mississippi School of Medicine
Dr. McKenzie graduated from University of Mississippi School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Johnny Miller 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Johnny Miller 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. Johnny Miller McKenzie's NPI number?
Dr. Johnny Miller McKenzie's NPI number is 1669979985. It was assigned on April 12, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Johnny Miller McKenzie?
Dr. Johnny Miller McKenzie is an internist in Alabaster, Alabama. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Johnny Miller McKenzie practice?
Dr. McKenzie practices at 1000 First Street North, Alabaster, AL 35007. Dr. McKenzie's primary practice is Baptist Health Shelby Hospital in Alabaster, Alabama, part of Orlando Health. Dmand AI also links Dr. McKenzie to 3 hospitals, 2 group practices and clinics, 1 hospice and 1 medical group.
What is Dr. Johnny Miller McKenzie's office phone number?
The practice phone on file for Dr. McKenzie is (205) 620-8100.
What is Dr. Johnny Miller McKenzie's medical license number?
Dr. McKenzie holds Alabama license MD.38448.
Which hospitals is Dr. Johnny Miller McKenzie affiliated with?
Dr. McKenzie practices at Baptist Health Shelby Hospital in Alabaster, Alabama. Dr. McKenzie is also affiliated with Baptist Health Princeton Hospital. Dmand AI links Dr. McKenzie to 3 more hospitals.
What medical group is Dr. Johnny Miller McKenzie part of?
Dr. McKenzie is linked to Hospital Physician Services - Southeast Professional Corporation. Dmand AI links Dr. McKenzie to 1 more medical group.
Does Dr. Johnny Miller McKenzie accept Medicare?
Yes. CMS data shows Dr. McKenzie billed Medicare for 256 services in 2024, and Dr. McKenzie accepts Medicare assignment.
How many Medicare patients does Dr. Johnny Miller McKenzie see?
CMS counts 250 Medicare patients who saw Dr. McKenzie in 2024, with an average age of 75.
What services does Dr. Johnny Miller McKenzie bill to Medicare?
In 2024, Dr. McKenzie's most billed Medicare services were hospital inpatient care (99223), critical care (99291) and hospital inpatient care (99222).
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Where did Dr. Johnny Miller McKenzie go to medical school?
Dr. McKenzie graduated from University of Mississippi School of Medicine in 2018.
What drugs does Dr. Johnny Miller McKenzie prescribe most?
In 2020 Medicare Part D data, Dr. McKenzie's most prescribed drugs by claims were Latanoprost and Brimonidine Tartrate.
Has Dr. Johnny Miller McKenzie received payments from drug or device companies?
CMS Open Payments shows $184 in general payments to Dr. McKenzie from 4 companies from 2019 to 2022. The largest total came from Allergan Inc.
How long has Dr. Johnny Miller McKenzie been practicing?
Dr. McKenzie graduated from medical school in 2018, 8 years ago.
Does Dr. Johnny Miller McKenzie do research?
Dmand AI links 1 publication to Dr. McKenzie.
Who does Dr. Johnny Miller McKenzie publish with?
Dr. McKenzie's most frequent co-authors are Lauren Lavender Pacheco, MD (1 shared paper).
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