Physician Profile
Thomas L. Mertz, DO, PHARMD.
Unclaimed ProfileAbout Dr. Mertz
Based in Pittsburgh, PA, Thomas L. Mertz, DO, PHARMD. is listed in the NPI registry under allergy & immunology. Thomas graduated from Lake Erie College of Osteopathic Medicine, Erie in 2004. Thomas is also listed as specializing in internal medicine and pediatrics. Medicare claims data shows Thomas provided 3,488 services to 414 patients. The services billed most often include test for allergy using allergenic extract, professional service for multiple injections of allergen, and professional service for preparation and provision of 1 or more antigens.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (412) 828-3800
- Email not available
Practice Locations
2585 FREEPORT RD STE 210
Pittsburgh, PA 15238
Conditions Commonly Evaluated or Treated
Within Allergy and Immunology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
- Angioedema
- Cockroach Allergy
- Histamine Intolerance
- Oral Allergy Syndrome
- Red Meat Allergy
Digestive
Drug allergies
- Sulfa Drug Allergy
Drug allergy
- Aspirin Allergy
- Drug Allergies
- Penicillin Allergy
- Vaccine Allergy
Emergency
Environmental
- Dust Mite Allergy
- Insect Sting Allergy
- Latex Allergy
- Mold Allergy
- Pet Allergies
Eye
Food allergies
- Egg Allergy
- Milk Allergy
- Peanut Allergy
- Shellfish Allergy
- Soy Allergy
- Tree Nut Allergy
- Wheat Allergy
Immune conditions
Immunology
- Common Variable Immunodeficiency
- Frequent Infections
- Hereditary Angioedema
- Mast Cell Activation Syndrome
- Weak Immune System
Lung conditions
- Allergic Asthma
- Wheezing
Respiratory
Sinus
- Chronic sinusitis
- Loss or reduction of smell
- Nasal polyps
- Nonallergic rhinitis
- Post-Nasal Drip
Sinus conditions
- Sinus Headaches
Skin
- Cold Allergy
- Contact dermatitis
- Nickel Allergy
- Sun Allergy
Skin conditions
- Chronic itching
- Poison Ivy Rash
- Skin Writing Rash
Procedures & services
Most searched procedures
Allergy treatments
- Allergy Drops
- Asthma Biologics
- Food Desensitization
- Peanut Allergy Pill Treatment
- Sublingual Dust Mite Treatment
- Under-The-Tongue Allergy Tablets
Diagnostic
- Asthma challenge test
- Drug Challenge Test
- Exercise Challenge Breathing Test
- Exhaled nitric oxide test
- Ice Cube Test for Cold Allergy
- Immune System Blood Test
- Nasal endoscopy
- Oral Food Challenge
- Peak Flow Test
- Penicillin Allergy Testing
- Spirometry
- Tryptase Blood Test
- Vaccine Challenge Test
- Vaccine Response Antibody Test
Infusion
- C1 Esterase Inhibitor Infusion
- IVIG Infusion
- Subcutaneous Immunoglobulin Infusion
Medication therapy
- Fasenra Injections
- Nucala Injections
- Tezspire Injections
Medications
- Dupixent Injections
- Targeted therapy
- Xolair Injections
Preventive
- Anaphylaxis Emergency Action Plan
- Epinephrine Autoinjector Training
Respiratory
Tests
- Allergy Blood Testing
- Allergy Skin Prick Test
- Blood Component Allergy Test
- Complement Blood Test
- Eosinophil Blood Count
- Intradermal Allergy Test
- Pulmonary function test
- Skin Test For Metal Allergy
- Total IgE Blood Test
Treatment
- Aspirin Desensitization
- Dietary Allergen Elimination Plan
- Drug Desensitization Protocol
- Sinus Rinse Training
Procedures Most Often Billed to Medicare
3,488 services · 414 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
1,287 |
| Professional service for multiple injections of allergen | Treatment | 95117 |
897 |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
751 |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
319 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
22 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
11 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
140 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
31 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
18 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other allergists in Pittsburgh 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Lake Erie College of Osteopathic Medicine, Erie 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Lake Erie College of Osteopathic Medicine, Erie 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Dr. Mertz specialize in?
Dr. Mertz is an allergist in Pittsburgh, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
Where is Dr. Mertz located?
Dr. Mertz is listed at 2585 Freeport Rd Ste 210, Pittsburgh, PA 15238. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Mertz's phone number?
The number on file is (412) 828-3800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Mertz?
Dr. Mertz's National Provider Identifier is 1942495825. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Mertz go to medical school?
Dr. Mertz attended Lake Erie College of Osteopathic Medicine, Erie, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mertz have?
Dr. Mertz has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Mertz do most often?
According to Medicare billing data, Dr. Mertz provides treatments such as test for allergy using allergenic extract and professional service for multiple injections of allergen, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Mertz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mertz. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.