DR. DAVID MICHAEL BYRENS (M.D.) – Family Medicine Physician, NPI 1902874126
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,418 FAMILY PRACTICE in MI
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Provider Addresses for DR. DAVID MICHAEL BYRENS (M.D.)
East Mansion Street, Marshall, Calhoun County, Michigan, 49068, United States
MARSHALL, MI 490681167
Phone: (269) 781-2111
Fax: (269) 781-3181
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 63 Open Payments records for all available years, with a total value of $1,101.
Total Amount is formed as General ($1,101) + Research ($0) + Ownership ($0) = $1,101.
Last reported payment date: 2023-12-19 • Largest payer in this snapshot: ABBVIE INC. ($168).
Total Amount
$1,101
General + Research + Ownership
Payments
63
Total payment records
General Amount
$1,101
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $168 |
| Merck Sharp & Dohme LLC | $131 |
| Lilly USA, LLC | $93 |
| PFIZER INC. | $62 |
| Supernus Pharmaceuticals, Inc. | $58 |
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: 2010-04-23
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 |
|---|---|---|---|---|
| I20100423000924 | I | Family Practice | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 646 | 255 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 224 | 127 | $0 |
| 81002 | Urinalysis, manual test | 220 | 183 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 214 | 214 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 143 | 47 | $0 |
Insurance plans in this area (ZIP 49068)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MI | |
| Family Practice | MI | |
| G A S T R O E N T E R O L O G Y | MI | |
| - | MI | |
| General Surgery | MI | |
| Nurse Practitioner | MI | |
| Nurse Practitioner | MI | |
| Physician Assistant | MI | |
| - | MI | |
| - | MI |
Reviews
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