DR. JOHN JR. ISAAC (M.D.) – Surgery Physician, NPI 1225037435
Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
935 GENERAL SURGERY in VA
Provider Addresses for DR. JOHN JR. ISAAC (M.D.)
16000 Johnston Memorial Dr Ste 101
Abingdon, VA 242117664
Phone: (276) 258-1777
Type: Location
390, Toll Gate Road, Apponaug Historic District, Apponaug, Warwick, Kent County, Rhode Island, 02886, United States
STE.200
WARWICK, RI 028864326
Phone: (401) 739-8010
Fax: (401) 739-6087
Type: Mailing
7554 Hospital Dr # D-303
Gloucester, VA 230614178
Phone: (804) 693-3400
Fax: (804) 693-9793
Type: Location
168 Kinsley St
Nashua, NH 030603634
Phone: (603) 598-0455
Fax: (603) 598-0456
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: 2020-05-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20200319001827 | I | General Surgery | NH | TBD |
| I20200520002358 | I | General Surgery | VA | 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 24211)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | VA | |
| - | VA | |
| - | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | TN | |
| Mental Health Counselor | VA | |
| - | VA | |
| P S Y C H I A T R Y | VA | |
| General Surgery | VA | |
| Nurse Practitioner | VA |
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