DR. MARY-MARGARET LANGSTON ALLEN (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1699118257
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
960 PATHOLOGY in FL
Provider Addresses for DR. MARY-MARGARET LANGSTON ALLEN (MD)
601 MAIN ST # MS 417
DUNEDIN, FL 346985848
Phone: (727) 734-6635
Type: Mailing
2004 HAYES ST # LL30
NASHVILLE, TN 372032646
Phone: (629) 203-7775
Fax: (625) 284-5750
Type: Mailing
2000 CHURCH ST
NASHVILLE, TN 372365848
Phone: (615) 284-7950
Fax: (615) 284-5750
Type: Location
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: 2020-04-13
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 |
|---|---|---|---|---|
| I20200413002826 | I | Pathology | TN | 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 | 443 | 263 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 378 | 70 | $0 |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | 288 | 44 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 123 | 92 | $0 |
| 88189 | Flow cytometry technique for dna or cell analysis, 16 or more markers | 109 | 96 | $0 |
Insurance plans in this area (ZIP 34698)
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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 | 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 | |
| - | TN |
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