Dr. Leonard B. Johnson, MD
- Medicare services, 2024
- 495
- Medicare patients, 2024
- 206
- Part D claims, 2024
- 648
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 22101 Moross Rd, Detroit, MI 48236
- Practice phone
- Call (313) 343-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Leonard B. Johnson is an infectious disease specialist in Detroit, Michigan
Dr. Johnson practices at Henry Ford St. John Hospital in Detroit, Michigan, part of Henry Ford Health.
Dr. Johnson's NPI, 1982697645, was assigned on August 29, 2005. Dr. Johnson graduated from Michigan State University College of Osteopathic Medicine in 1993. Dr. Johnson holds Michigan license 4301062126.
- NPI
- 1982697645NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143357749
- NPI enumeration date
- August 29, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (313) 343-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonard B. Johnson practices at Henry Ford St. John Hospital in Detroit, Michigan
Dr. Johnson's primary practice is Henry Ford St. John Hospital, at 22101 Moross Rd, Detroit, MI 48236 in Wayne County. The practice phone is (313) 343-4000.
- Henry Ford St. John Hospital22101 Moross Rd, Detroit, MI 48236 · Wayne CountyPhone(313) 343-4000
Source: Dmand AI Affiliation Data
Dr. Leonard B. Johnson is affiliated with 3 sites of care and 1 medical group
Dr. Johnson's primary practice is Henry Ford St. John Hospital in Detroit, Michigan, part of Henry Ford Health. Dr. Johnson is also affiliated with Henry Ford Hospital. The medical group on file is Henry Ford St. John Hospital. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leonard B. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Henry Ford St. John Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Henry Ford Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leonard B. Johnson is one of 264 infectious disease specialists in Michigan
Infectious disease is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Johnson is licensed in Michigan.
Specialties and state licenses
- Infectious disease, MichiganPrimary
Infectious disease specialists near Dr. Johnson
Counts of infectious disease specialists 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. Leonard B. Johnson billed Medicare for 495 services in 2024
CMS data shows 495 Medicare services from Dr. Johnson across 6 procedure codes in 2024, for 206 Medicare patients. Medicare paid $33,299 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnson compared with the Michigan median for infectious disease specialists, 2024
- Dr. Johnson
- Michigan median
- Medicare services
- 495vs 31856% above
- Medicare patients
- 206vs 14344% above
- Part D claims
- 485vs 1393.5 times
Medians across 266 infectious disease specialists in Michigan with Dmand AI profiles that report each measure.
Dr. Johnson'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other infectious disease specialists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leonard B. Johnson treated 206 Medicare patients in 2024, average age 72
CMS counts 206 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 3.32, 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. Johnson's median patient age at 66, with 45% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women9546%
- Men11154%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes52%
- Heart failure52%
- Ischemic heart disease52%
- Chronic kidney disease51%
- Mood disorders43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonard B. Johnson wrote 648 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 648 Medicare Part D claims for 186 patients. 47% of them were for generic drugs. CMS names the drug for 485 of them, across 21 drugs with 11 or more claims each, at $531,137 in total drug cost.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic307 claims47%
- Brand-name341 claims53%
Dr. Johnson'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. Johnson's Part D claims, 2024
- Antibiotics14%91 of 648 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. Leonard B. Johnson takes part in Medicare
Dr. Johnson 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. Leonard B. Johnson graduated from Michigan State University College of Osteopathic Medicine
Dr. Johnson graduated from Michigan State University College of Osteopathic Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leonard B. Johnson'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) |
| 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. Leonard B. Johnson
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. Leonard B. Johnson's NPI number?
Dr. Leonard B. Johnson's NPI number is 1982697645. It was assigned on August 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonard B. Johnson?
Dr. Leonard B. Johnson is an infectious disease specialist in Detroit, Michigan. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Leonard B. Johnson practice?
Dr. Johnson practices at 22101 Moross Rd, Detroit, MI 48236. Dr. Johnson's primary practice is Henry Ford St. John Hospital in Detroit, Michigan, part of Henry Ford Health. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. Leonard B. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (313) 343-4000.
What is Dr. Leonard B. Johnson's medical license number?
Dr. Johnson holds Michigan license 4301062126.
Which hospitals is Dr. Leonard B. Johnson affiliated with?
Dr. Johnson practices at Henry Ford St. John Hospital in Detroit, Michigan. Dr. Johnson is also affiliated with Henry Ford Hospital.
What medical group is Dr. Leonard B. Johnson part of?
Dr. Johnson is linked to Henry Ford St. John Hospital.
Does Dr. Leonard B. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 495 services in 2024, and Dr. Johnson accepts Medicare assignment.
How many Medicare patients does Dr. Leonard B. Johnson see?
CMS counts 206 Medicare patients who saw Dr. Johnson in 2024, with an average age of 72.
What services does Dr. Leonard B. Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99231) and hospital inpatient care (99222).
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Where did Dr. Leonard B. Johnson go to medical school?
Dr. Johnson graduated from Michigan State University College of Osteopathic Medicine in 1993.
What drugs does Dr. Leonard B. Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Shingrix, Biktarvy and Arexvy.
How long has Dr. Leonard B. Johnson been practicing?
Dr. Johnson graduated from medical school in 1993, 33 years ago.
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