DR. JOHN LAWRENCE JR. FRATER (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1407873920
Anatomic Pathology & Clinical Pathology Physician
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NPPES metrics only — not quality of care.
406 PATHOLOGY in MO
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Provider Addresses for DR. JOHN LAWRENCE JR. FRATER (MD)
660, South Euclid Avenue, Central West End, City of Saint Louis, Missouri, 63110, United States
CB 8118
SAINT LOUIS, MO 631101010
Phone: (314) 362-5641
Fax: (314) 362-0369
Type: Mailing
PO BOX 7412011
CHICAGO, IL 606742011
Phone: (314) 362-5641
Fax: (314) 362-0369
Type: Mailing
Barnes-Jewish Hospital, 1, Barnes Jewish Hospital Plaza, Central West End, St. Louis, Missouri, 63110, United States
DIV PA ANATOMIC AND MOLECULAR PATH
SAINT LOUIS, MO 631101003
Phone: (314) 362-5641
Fax: (314) 362-0369
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: 2006-05-01
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 |
|---|---|---|---|---|
| I20060501000424 | I | Pathology | MO | 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 | 938 | 120 | $0 |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | 647 | 200 | $0 |
| 88319 | Evaluation of specimen enzymes | 470 | 199 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 462 | 207 | $0 |
| 88189 | Flow cytometry technique for dna or cell analysis, 16 or more markers | 244 | 218 | $0 |
Insurance plans in this area (ZIP 63110)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | MO | 88342 | Tissue or cell analysis by immunologic technique | 79 | 74 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| - | MO | |
| - | FL | |
| - | MO | |
| Diagnostic Radiology | IL | |
| - | IL | |
| - | MO | |
| - | MO | |
| - | MO | |
| - | MO |
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