GINA A JOHNSTON (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1790759850
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
460 PATHOLOGY in TN
Provider Addresses for GINA A JOHNSTON (MD)
7550 WOLF RIVER BLVD STE 200
GERMANTOWN, TN 381381778
Phone: (901) 542-6801
Type: Location
Andrew Jacobs Jr. Post Office, 125, West South Street, Old Southside, Indianapolis, Marion County, Indiana, 46206, United States
INDIANAPOLIS, IN 462061483
Phone: (662) 470-1110
Fax: (317) 705-5060
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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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: 2020-03-05
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 |
|---|---|---|---|---|
| I20110524000432 | I | Pathology | TN | TBD |
| I20111207000731 | I | Pathology | AR | TBD |
| I20200305000879 | I | Pathology | MS | 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 |
|---|---|---|---|---|
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 462 | 105 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 380 | 248 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 169 | 123 | $0 |
| 88311 | Preparation of tissue for examination by removing any calcium present | 124 | 107 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 123 | 98 | $0 |
Insurance plans in this area (ZIP 38138)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | TN | |
| P A T H O L O G Y | TN | |
| P A T H O L O G Y | TN | |
| P A T H O L O G Y | TN | |
| P A T H O L O G Y | TN | |
| P A T H O L O G Y | IL | |
| P A T H O L O G Y | MS | |
| P A T H O L O G Y | MS | |
| P A T H O L O G Y | MS | |
| P A T H O L O G Y | IL |
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