GUSTAVO ALEJANDRO ALVAREZ-PAIVA (M.D.) – Anatomic Pathology Physician, NPI 1154447993
Anatomic Pathology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
460 PATHOLOGY in TN
Provider Addresses for GUSTAVO ALEJANDRO ALVAREZ-PAIVA (M.D.)
3495 Hacks Cross Rd
Memphis, TN 381258803
Phone: (901) 526-7444
Type: Location
431 S HIGHLAND ST APT 206
MEMPHIS, TN 381111635
Phone: (314) 346-9554
Type: Mailing
121 SAINT LUKES CENTER DR STE 406
CHESTERFIELD, MO 63017
Phone: (314) 346-9554
Type: Location
121 Saint Lukes Center Dr Ste 406
Chesterfield, MO 63017
Phone: (314) 346-9554
Type: Location
PO BOX 35629
DALLAS, TX 752350629
Phone: (214) 424-2213
Type: Mailing
1800 PLAZA DR
BEDFORD, TX 760216013
Phone: (817) 310-4490
Fax: (817) 310-4491
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: 2021-07-15
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 |
|---|---|---|---|---|
| I20080717000390 | I | Pathology | TN | TBD |
| I20170502000863 | I | Pathology | MO | TBD |
| I20210715002285 | 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 | 966 | 487 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 122 | 114 | $0 |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | 70 | 55 | $0 |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | 61 | 43 | $0 |
Insurance plans in this area (ZIP 38125)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | TN | 88342 | Tissue or cell analysis by immunologic technique | 82 | 64 |
Group practice members
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