TIMOTHY HERBERT PRAHLOW (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1538152434
Anatomic Pathology & Clinical Pathology Physician
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NPPES metrics only — not quality of care.
311 PATHOLOGY in IN
Provider Addresses for TIMOTHY HERBERT PRAHLOW (MD)
5700 SOUTHWYCK BLVD
TOLEDO, OH 436141509
Phone: (800) 288-8325
Fax: (419) 866-5453
Type: Mailing
3500 FRANCISCAN WAY
MICHIGAN CITY, IN 463600021
Phone: (219) 879-8511
Fax: (219) 877-1081
Type: Location
113, East 4th Street, Michigan City, LaPorte County, Indiana, 46360, United States
PO BOX 583
MICHIGAN CITY, IN 463603301
Phone: (219) 873-3130
Fax: (219) 873-3132
Type: Mailing
Valparaiso Surgery Center of Porter Memorial Hospital, 1900, Roosevelt Road, Valparaiso, Porter County, Indiana, 46383, United States
814 LAPORTE AVE
VALPARAISO, IN 46383
Phone: (219) 465-4678
Fax: (219) 465-4722
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: 2010-05-08
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 |
|---|---|---|---|---|
| I20100508000008 | I | Pathology | IN | 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 | 878 | 530 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 854 | 148 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 244 | 189 | $0 |
| 88112 | Cell examination of specimen, selective cellular enhancement technique | 210 | 157 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 114 | 84 | $0 |
Insurance plans in this area (ZIP 43614)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | IN | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 90 | 72 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | MD | |
| - | IN | |
| P A T H O L O G Y | OH | |
| - | IN | |
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | IA | |
| P A T H O L O G Y | IN | |
| - | IN |
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