DR. NATHAN D. WHITTAKER (M.D.) – Emergency Medicine Physician, NPI 1740459338
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,158 EMERGENCY MEDICINE in MI
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Provider Addresses for DR. NATHAN D. WHITTAKER (M.D.)
Covenant HealthCare, 1000, Houghton Avenue, Saginaw, Saginaw County, Michigan, 48602, United States
SAGINAW, MI 486025303
Phone: (989) 583-6865
Type: Location
4440 SNOWBELL DR
SAGINAW, MI 486038008
Phone:
Type: Mailing
711 ONYX ST
KEMMERER, WY 831013214
Phone: (307) 877-4401
Type: Location
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: 2026-01-21
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 |
|---|---|---|---|---|
| I20090923000845 | I | Emergency Medicine | UT | TBD |
| I20231214003045 | I | Emergency Medicine | WY | TBD |
| I20260121003526 | I | Emergency Medicine | ID | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 48602)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine, Family Practice | WY | |
| Orthopedic Surgery | CO | |
| Family Practice | WY | |
| Nurse Practitioner | WY | |
| Family Practice, Emergency Medicine | WY | |
| Physician Assistant | TN |
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