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- 3980 Limelight Ave Ste D, Castle Rock, CO 80109
About Dr. Lahood
Based in Castle Rock, CO, Ryan Lahood, MD is listed in the NPI registry under allergy & immunology. Ryan graduated from University of Arizona College of Medicine in 2018. Ryan is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Ryan cared for 479 Medicare patients across 2,897 services. The services billed most often include test for allergy using allergenic extract, professional service for multiple injections of allergen, and professional service for single injection of allergen. NPI 1033607742 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
- (720) 858-7470
- Email not available
Practice Locations
3980 LIMELIGHT AVE STE D
Castle Rock, CO 80109
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
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
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
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
2,897 services · 479 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
1,384 | As often as other peers in Allergy & Immunology |
| Professional service for multiple injections of allergen | Treatment | 95117 |
632 | More often than most peers in Allergy & Immunology |
| Professional service for single injection of allergen | Treatment | 95115 |
330 | More often than most peers in Allergy & Immunology |
| Administration and interpretation of patient-focused health risk assessment | Treatment | 96160 |
128 | More often than most peers in Allergy & Immunology |
| Test to measure rate of airflow | Treatment | 94375 |
98 | More often than most peers in Allergy & Immunology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
69 | Less often than most peers in Allergy & Immunology |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
13 | Less often than most peers in Allergy & Immunology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
149 | More often than most peers in Allergy & Immunology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
55 | More often than most peers in Allergy & Immunology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
22 | 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 University of Arizona College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at University of Arizona College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 8
Providers in CO who bill this service to Medicare most often.
Common questions
What is Dr. Lahood's specialty?
Dr. Lahood is an allergist in Castle Rock, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
Where can I find Dr. Lahood?
Dr. Lahood is listed at 3980 Limelight Ave Ste D, Castle Rock, CO 80109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Lahood?
The number on file is (720) 858-7470. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Lahood's NPI number?
Dr. Lahood's National Provider Identifier is 1033607742. 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
What is Dr. Lahood's medical education?
Dr. Lahood attended University of Arizona College of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lahood been practicing?
Dr. Lahood has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Lahood known for?
According to Medicare billing data, Dr. Lahood 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
Has Dr. Lahood confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lahood. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.