JOHN GREGORY BUCK (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1154608552
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,395 PATHOLOGY in TX
Provider Addresses for JOHN GREGORY BUCK (MD)
700 EAST MARSHALL AVE
LONGVIEW, TX 756015580
Phone: (903) 315-2000
Type: Mailing
4770 REGENT BLVD
IRVING, TX 750632445
Phone: (972) 934-4300
Type: Location
700 East Marshall Ave
Longview, TX 756015580
Phone: (903) 315-2000
Type: Location
14275 MIDWAY RD STE 400
ADDISON, TX 750013614
Phone:
Fax: (610) 271-4245
Type: Mailing
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: 2011-12-28
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 |
|---|---|---|---|---|
| I20111228000088 | I | Pathology | TX | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 202 | 101 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 43 | 16 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 38 | 28 | $0 |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | 36 | 21 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 34 | 29 | $0 |
Insurance plans in this area (ZIP 75601)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | NM | |
| P A T H O L O G Y | TX |
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