WILLIAM H JR. NICHOLS (DO) – Critical Care Medicine (Internal Medicine) Physician, NPI 1285656017
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
681 CRITICAL CARE (INTENSIVISTS) in MI
Provider Addresses for WILLIAM H JR. NICHOLS (DO)
601 John St
Suite M-510
Kalamazoo, MI 490075341
Phone: (269) 341-7762
Fax: (269) 341-8098
Type: Location
1234 NAPIER AVE
SAINT JOSEPH, MI 490852112
Phone: (269) 985-4632
Fax: (269) 985-4523
Type: Mailing
Bronson Methodist Hospital, 601, John Street, Kalamazoo, Kalamazoo County, Michigan, 49007, United States
SUITE M-510
KALAMAZOO, MI 490075341
Phone: (269) 341-7762
Fax: (269) 341-8098
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2006-08-21
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 |
|---|---|---|---|---|
| I20060821000157 | I | Critical Care (Intensivists) | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 52 | 21 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 26 | 18 | $0 |
Insurance plans in this area (ZIP 49007)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CRITICAL CARE (INTENSIVISTS) | MI | 31622 | Diagnostic examination of lung airways using an endoscope | 22 | 18 |
| CRITICAL CARE (INTENSIVISTS) | MI | 36620 | Insertion of arterial catheter for blood sampling or infusion, accessed through the skin | 20 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| Nurse Practitioner | MI | |
| Nurse Practitioner | MI | |
| - | MI | |
| - | MI | |
| Physician Assistant | MI | |
| - | MI | |
| Physician Assistant | MI | |
| Internal Medicine | 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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