DR. THOMAS L MERTZ (DO, PHARMD.) – Allergy & Immunology Physician, NPI 1942495825
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
9,990 INTERNAL MEDICINE in PA
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Provider Addresses for DR. THOMAS L MERTZ (DO, PHARMD.)
Gateway Towers, 320, Fort Duquesne Boulevard, Downtown, Pittsburgh, Allegheny County, Pennsylvania, 15222, United States
SUITE 380
PITTSBURGH, PA 152221121
Phone: (412) 471-3818
Fax: (412) 471-3657
Type: Mailing
2585 FREEPORT RD STE 210
PITTSBURGH, PA 152381426
Phone: (412) 828-3800
Fax: (412) 828-8561
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2012-08-30
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20120830000324 | I | Internal Medicine | PA | 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 |
|---|---|---|---|---|
| 95117 | Professional service for multiple injections of allergen | 604 | 101 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 543 | 40 | $0 |
| 95004 | Test for allergy using allergenic extract | 376 | 15 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 97 | 82 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 27 | 22 | $0 |
Insurance plans in this area (ZIP 15222)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | PA | |
| Allergy/Immunology, Internal Medicine | PA |
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