DR. ANN MARIE BACH SCHREIBER (D.O.) – Gastroenterology Physician, NPI 1376863050
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,218 INTERNAL MEDICINE in MI
Provider Addresses for DR. ANN MARIE BACH SCHREIBER (D.O.)
1 Genesys Pkwy
Grand Blanc, MI 484398065
Phone: (810) 606-5000
Type: Location
34503 9TH AVE S STE 130
FEDERAL WAY, WA 980038726
Phone: (253) 835-5340
Type: Mailing
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 $33.
Total Amount is formed as General ($33) + Research ($0) + Ownership ($0) = $33.
Last reported payment date: 2024-01-05 • Largest payer in this snapshot: ABBVIE INC. ($33).
Total Amount
$33
General + Research + Ownership
Payments
1
Total payment records
General Amount
$33
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $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: 2024-08-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20161202000479 | I | Gastroenterology | WA | TBD |
| I20231023000863 | I | Internal Medicine | AR | TBD |
| I20240821003099 | I | Gastroenterology | IL | 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 |
|---|---|---|---|---|
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 12 | 11 | $0 |
Insurance plans in this area (ZIP 48439)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | AR | |
| - | AR | |
| O B S T E T R I C S/ G Y N E C O L O G Y | AR | |
| - | AR | |
| Family Practice | AR | |
| - | AR | |
| - | AR | |
| Nurse Practitioner | AR | |
| - | AR | |
| Nurse Practitioner | AR |
Reviews
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