ROBERT G. SAWYER (M.D.) – Surgical Critical Care Physician, NPI 1699806836
Surgical Critical Care Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,444 GENERAL SURGERY in MI
Provider Addresses for ROBERT G. SAWYER (M.D.)
1000 OAKLAND DR
KALAMAZOO, MI 490081282
Phone:
Type: Mailing
Uva Hospital W
Hospital Drive
Charlottesville, VA 229080001
Phone: (434) 924-8604
Fax: (434) 924-5539
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $15,315.
Total Amount is formed as General ($15,315) + Research ($0) + Ownership ($0) = $15,315.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Molnlycke Health Care US, LLC ($10,495).
Total Amount
$15,315
General + Research + Ownership
Payments
15
Total payment records
General Amount
$15,315
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Molnlycke Health Care US, LLC | $10,495 |
| Tetraphase Pharmaceuticals, Inc. | $4,627 |
| Gilead Sciences, Inc. | $97 |
| Haemonetics Corporation | $64 |
| CSL Behring | $33 |
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: 2020-05-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20170927003627 | I | General Surgery | MI | TBD |
| I20200513002054 | I | General Surgery | UT | 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 | 72 | 44 | $0 |
| 99291 | Critical care, first 30-74 minutes | 28 | 20 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 22 | 22 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 19 | 19 | $0 |
Insurance plans in this area (ZIP 49008)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GENERAL SURGERY | MI | 36620 | Insertion of arterial catheter for blood sampling or infusion, accessed through the skin | 16 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| Hand Surgery, Orthopedic Surgery | MI | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| Cardiovascular Disease (Cardiology), Internal Medicine | MI | |
| Family Practice | MI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| Endocrinology, Internal Medicine | MI | |
| Clinical Social Worker | MI | |
| Internal Medicine | MI |
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