THOMAS JAMES MERTZ (MD) – Urology Physician, NPI 1659337137

THOMAS JAMES MERTZ (MD) is a healthcare provider. based in Roseville, Michigan. specializing in Urology Physician. They hold the professional credentials MD. They hold a License No. 4301035307 (MI). The NPI Number for THOMAS JAMES MERTZ (MD) is 1659337137

Main info

Male
52 Years Of Experience
Accepts Medicare Assignment
Name
THOMAS JAMES MERTZ (MD)
NPI
1659337137
Phone
(586) 773-6300
Address
18325 E 10 MILE RD
Enumeration Date
25 April 2006
Last Update Date
5 November 2018

Doctor Profile

Medical School Name
WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
5867736300
Graduation Year
1974 (52 years ago)
PAC ID
6800782368
Group Practice PAC ID
0345413258
Professional Enrollment ID
I20040223001268
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for THOMAS JAMES MERTZ (MD)

  • 18325, East 10 Mile Road, Roseville, Macomb County, Michigan, 48021, United States

    SUITE 200

    ROSEVILLE, MI 480664990

    Phone: (586) 773-6300

    Fax: (586) 773-6266

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $160.

Total Amount is formed as General ($160) + Research ($0) + Ownership ($0) = $160.

Last reported payment date: 2024-07-02 • Largest payer in this snapshot: Boston Scientific Corporation ($145).

Total Amount

$160

General + Research + Ownership

Payments

2

Total payment records

General Amount

$160

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-07-02

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2004-02-23

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

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040223001268IUrologyMITBD

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.

Verify on CMS Revalidation Lookup Tool

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 48066)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0345413258View full group profile
NameSpecialtyState
Cardiovascular Disease (Cardiology)MI
-MI
-MI
-MI
Internal MedicineMI
Otolaryngology, Plastic And Reconstructive SurgeryMI
Medical Oncology, Internal MedicineMI
-MI
-AE
Pediatric MedicineMI

Reviews

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Frequently asked questions

What is the registry number for THOMAS JAMES MERTZ (MD)?
The registry entry for THOMAS JAMES MERTZ (MD) shows NPI 1659337137.
Quick check: is THOMAS JAMES MERTZ (MD) active?
Public NPPES data shows THOMAS JAMES MERTZ (MD) with an active NPI status right now.
Which specialty label fits THOMAS JAMES MERTZ (MD)?
NPPES ties THOMAS JAMES MERTZ (MD) to Urology Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
Can patients visit THOMAS JAMES MERTZ (MD) in Roseville, Michigan?
For routing, start with Roseville, Michigan for THOMAS JAMES MERTZ (MD), then verify phone and hours locally.
Why is information missing for THOMAS JAMES MERTZ (MD)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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