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Edit this profileAt a glance
- 205 N Oak St Unit B, Roanoke, TX 76262
About Dr. Marshall
Based in Roanoke, TX, Zachary W. Marshall, M.D. is listed in the NPI registry under allergy & immunology. Zachary is also listed as specializing in allergy and internal medicine. Medicare claims data shows Zachary provided 4,647 services to 430 patients. The services billed most often include professional service for preparation and provision of single-dose vial of allergen, test for allergy using allergenic extract, and professional service for preparation and provision of 1 or more antigens. NPI 1912343419 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (682) 593-9355
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
205 N OAK ST UNIT B
Roanoke, TX 76262
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
- Asthma
- Eczema
- Food allergies
- Hives
- Seasonal allergies
Allergies
- Angioedema
- Cockroach Allergy
- Histamine Intolerance
- Oral Allergy Syndrome
- Red Meat Allergy
Digestive
- Eosinophilic esophagitis
Drug allergies
- Sulfa Drug Allergy
Drug allergy
- Aspirin Allergy
- Drug Allergies
- Penicillin Allergy
- Vaccine Allergy
Emergency
- Severe Allergic Shock
Environmental
- Dust Mite Allergy
- Insect Sting Allergy
- Latex Allergy
- Mold Allergy
- Pet Allergies
Eye
- Eye Allergies
Food allergies
- Egg Allergy
- Milk Allergy
- Peanut Allergy
- Shellfish Allergy
- Soy Allergy
- Tree Nut Allergy
- Wheat Allergy
Immune conditions
- Low White Blood Cell Count
Immunology
- Common Variable Immunodeficiency
- Frequent Infections
- Hereditary Angioedema
- Mast Cell Activation Syndrome
- Weak Immune System
Lung conditions
- Allergic Asthma
- Wheezing
Respiratory
- Chronic cough
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
Breathing & Airway
Most searched procedures
- Allergy testing
- Immunotherapy
- Patch testing
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
- Inhaler technique instruction
- Nebulizer Breathing Treatment
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
4,647 services · 430 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Professional service for preparation and provision of single-dose vial of allergen | Treatment | 95144 |
1,578 | Too few peers to compare |
| Test for allergy using allergenic extract | Treatment | 95004 |
1,568 | As often as other peers in Allergy & Immunology |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
370 | Less often than most peers in Allergy & Immunology |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
369 | As often as other peers in Allergy & Immunology |
| Professional service for multiple injections of allergen | Treatment | 95117 |
209 | Less often than most peers in Allergy & Immunology |
| Professional service for single injection of allergen | Treatment | 95115 |
148 | As often as other peers in Allergy & Immunology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
80 | Less often than most peers in Allergy & Immunology |
| Administration and interpretation of patient-focused health risk assessment | Treatment | 96160 |
77 | More often than most peers in Allergy & Immunology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
16 | Less often than most peers in Allergy & Immunology |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
12 | Less often than most peers in Allergy & Immunology |
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Professional service for preparation and provision of single-dose vial of allergen 4
Providers in TX who bill this service to Medicare most often.
Common questions
What does Zachary W. Marshall specialize in?
Zachary W. Marshall is an allergist in Roanoke, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
Where is Zachary W. Marshall located?
Zachary W. Marshall is listed at 205 N Oak St Unit B, Roanoke, TX 76262. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Zachary W. Marshall's phone number?
The number on file is (682) 593-9355. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Zachary W. Marshall?
Zachary W. Marshall's National Provider Identifier is 1912343419. 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 Zachary W. Marshall train?
Zachary W. Marshall attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Zachary W. Marshall have?
Zachary W. Marshall has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Zachary W. Marshall do most often?
According to Medicare billing data, Zachary W. Marshall provides treatments such as professional service for preparation and provision of single-dose vial of allergen and test for allergy using allergenic extract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Zachary W. Marshall's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Zachary W. Marshall. If this is you, claiming it is free.
Guide.md
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