COLBY EISENBACH (MD) – Internal Medicine Physician, NPI 1982068045
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,476 INTERNAL MEDICINE in OK
Provider Addresses for COLBY EISENBACH (MD)
2115 Duncan Regional Loop
Duncan, OK 735331570
Phone: (580) 251-6806
Type: Location
5 Perryridge Rd
Greenwich, CT 068304608
Phone: (432) 425-1855
Type: Location
1020 LAKE SUMTER LNDG
THE VILLAGES, FL 321622699
Phone: (352) 674-8905
Type: Mailing
Greenwich Hospital, 5, Perryridge Road, Greenwich, Fairfield County, Connecticut, 06830, United States
GREENWICH, CT 068304608
Phone: (432) 425-1855
Type: Location
1050 OLD CAMP RD STE 100
THE VILLAGES, FL 321621762
Phone: (844) 884-9355
Type: Location
Duncan Regional Loop, Duncan, Stephens County, Oklahoma, 73533, United States
DUNCAN, OK 735331564
Phone: (580) 251-6657
Type: Mailing
2115 DUNCAN REGIONAL LOOP
DUNCAN, OK 735331570
Phone: (580) 251-6806
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: 2023-08-24
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 |
|---|---|---|---|---|
| I20230824000866 | I | Internal Medicine | FL | 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 73533)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | FL | |
| General Practice | FL | |
| General Practice | FL | |
| General Practice | FL | |
| Nurse Practitioner | FL | |
| Physician Assistant | FL | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | FL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | FL | |
| Family Practice | FL | |
| Preventive Medicine, General Practice | FL |
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