DR. GEORGE DAVID NACOS (M.D.) – Family Medicine Physician, NPI 1235159716
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,656 FAMILY PRACTICE in IA
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Provider Addresses for DR. GEORGE DAVID NACOS (M.D.)
909, Mason Bay Road, Jonesport, Washington County, Maine, 04649, United States
WASHINGTON, IA 523530909
Phone: (319) 653-7291
Fax: (319) 653-7440
Type: Mailing
South Iowa Avenue, Washington, Washington County, Iowa, 52353, United States
WASHINGTON, IA 523531144
Phone: (319) 653-7291
Fax: (319) 653-7440
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $194.
Total Amount is formed as General ($194) + Research ($0) + Ownership ($0) = $194.
Last reported payment date: 2023-09-21 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($194).
Total Amount
$194
General + Research + Ownership
Payments
10
Total payment records
General Amount
$194
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-09-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $194 |
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: 2009-01-28
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 |
|---|---|---|---|---|
| I20090128000067 | I | Family Practice | IA | 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 52353)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | IA | |
| Internal Medicine | IA | |
| Internal Medicine | IA | |
| Medical Oncology, Hematology, Internal Medicine | IA | |
| P O D I A T R Y | IA | |
| Family Practice | IA | |
| Internal Medicine | IA | |
| Physician Assistant | IA | |
| Physician Assistant | IA | |
| P O D I A T R Y | IA |
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