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DR. THOMAS L MERTZ DO, PHARMD.
NPI 1942495825
Allergy & Immunology in Pittsburgh, PA

Active since September 13, 2007PECOS EnrolledAccepts Medicare Assignment
2585 FREEPORT RD STE 210, PITTSBURGH, PA 15238(412) 828-3800(412) 828-8561 Get Directions Write a Review

NPPES record last updated: June 5, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Thomas L Mertz Do, Pharmd. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS L MERTZ DO, PHARMD. (NPI 1942495825) is an individual allergy & immunology provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (OS015695) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS, is affiliated with Upmc St Margaret, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2004).

NPPES Registry Identity

NPI1942495825
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. THOMAS L MERTZCredential: DO, PHARMD.
Location Address2585 FREEPORT RD STE 210Pittsburgh, PA 15238-1426
Mailing Address2585 Freeport Rd Ste 210Pittsburgh, PA 15238-1426 · (412) 828-3800 · Fax (412) 828-8561
Phone(412) 828-3800
Fax(412) 828-8561
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2004
Enumeration DateSeptember 13, 2007
Last NPPES UpdateJune 5, 2023
NPPES CertifiedJune 5, 2023
✔ NPI 1942495825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in PA · OS015695
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedInternal MedicineTaxonomy 207R00000X · License 046528 (CT)
Also ListedPediatricsTaxonomy 208000000X · License 046528 (CT)
2585 FREEPORT RD STE 210, Pittsburgh, PA 15238
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas L Mertz Do, Pharmd. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426121724
PECOS Enrollment IDI20120830000324
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
1,287 services29 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
897 services101 patients
Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
751 services62 patients
Test for allergy using allergenic extract injected into skin 95024
An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.
319 services21 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
140 services108 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
31 services30 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Upmc St Margaret

Acute Care Hospitals · Pittsburgh, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390102
Location815 Freeport RoadPittsburgh, PA 15215 · Allegheny County
Emergency services

Upmc Passavant

Acute Care Hospitals · Pittsburgh, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390107
Location9100 Babcock BoulevardPittsburgh, PA 15237 · Allegheny County
Emergency services

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
1 supplier27 claims108 services$18.21 avg. paid by Medicare
Injection, immune globulin (hizentra), 100 mg J1559
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier27 claims10,280 services$9.49 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
1 supplier27 claims116 services$2.31 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RICHARD L. GREEN M.D.
Allergy & Immunology (Allergy)
2585 FREEPORT RD STE 210
PITTSBURGH, PA 15238
Allegheny County (412) 828-3800
DR. ANDREW G. VAYONIS M.D.
Allergy & Immunology (Allergy)
2585 FREEPORT RD STE 210
PITTSBURGH, PA 15238
Allegheny County (412) 828-3800
ALLERGY & ASTHMA ASSOCIATES OF PITTSBURGH
Allergy & Immunology (Allergy)
2585 FREEPORT RD STE 210
PITTSBURGH, PA 15238
Allegheny County (412) 828-3800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Mertz's NPI number?

The NPI number for Thomas Mertz is 1942495825. It was assigned to this individual provider in the NPPES registry on September 13, 2007.

Where is Thomas Mertz located?

Thomas Mertz practices at 2585 Freeport Rd Ste 210, Pittsburgh, PA 15238. The listed phone number is (412) 828-3800.

What is Thomas Mertz's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Thomas Mertz enrolled in Medicare?

Yes. Thomas Mertz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Thomas Mertz affiliated with any hospitals?

According to CMS data, Thomas Mertz is affiliated with Upmc St Margaret and Upmc Passavant.

When was this NPI record last updated?

The NPPES record for Thomas Mertz was last updated on June 5, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.