LEONARD B JOHNSON (MD) – Infectious Disease Physician, NPI 1982697645
Infectious Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
339 INFECTIOUS DISEASE in MI
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Provider Addresses for LEONARD B JOHNSON (MD)
Garfield Road, Clinton Township, Macomb County, Michigan, 48026, United States
CLINTON TOWNSHIP, MI 480381136
Phone: (313) 343-7280
Fax: (313) 343-7921
Type: Mailing
19251, Mack Avenue, Grosse Pointe Woods, Wayne County, Michigan, 48236, United States
333
GROSSE POINTE WOODS, MI 482362893
Phone: (313) 343-7280
Fax: (313) 343-7921
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $20.
Total Amount is formed as General ($20) + Research ($0) + Ownership ($0) = $20.
Last reported payment date: 2023-08-29 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($20).
Total Amount
$20
General + Research + Ownership
Payments
1
Total payment records
General Amount
$20
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $20 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-04-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100429000550 | I | Infectious Disease | MI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 267 | 104 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 225 | 101 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 99 | 97 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 69 | 62 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 35 | 29 | $0 |
Insurance plans in this area (ZIP 48038)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| - | MI | |
| - | MI | |
| - | MI | |
| N E U R O S U R G E R Y | MI | |
| H E M A T O L O G Y/ O N C O L O G Y | MO | |
| - | MI | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology, Cardiovascular Disease (Cardiology) | MI | |
| - | MI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI |
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