RYAN LAHOOD MD
NPI 1033607742
Allergy & Immunology in Castle Rock, CO

Q: What is Ryan Lahood's NPI number?

The NPI number for Ryan Lahood is 1033607742. It was assigned to this individual provider in the NPPES registry on April 27, 2018.

Q: What is Ryan Lahood's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ryan Lahood was last updated on December 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 27, 2018PECOS EnrolledAccepts Medicare Assignment

3980 LIMELIGHT AVE STE D, CASTLE ROCK, CO 80109(720) 858-7470(720) 858-7444 Get Directions Write a Review

NPPES record last updated: December 14, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 14, 2023, Apr 27, 2018 (2 updates tracked since 2018).

On this page

About Ryan Lahood Md NPPES

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

RYAN LAHOOD MD (NPI 1033607742) is an individual allergy & immunology provider in Castle Rock, Colorado, licensed in Colorado (DR.0066633) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (2018).

NPPES Registry Identity

NPI1033607742

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameRYAN LAHOODCredential: MD

Location Address3980 LIMELIGHT AVE STE DCastle Rock, CO 80109-8012

Mailing Address3980 Limelight Ave Ste DCastle Rock, CO 80109-8012 · (720) 858-7470 · Fax (720) 858-7444

Phone(720) 858-7470

Fax(720) 858-7444

Sole ProprietorNo

Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2018

Enumeration DateApril 27, 2018

Last NPPES UpdateDecember 14, 20232 updates tracked since enumeration

NPPES CertifiedDecember 14, 2023

✔ NPI 1033607742 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in CO · DR.0066633

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3980 LIMELIGHT AVE STE D, Castle Rock, CO 80109

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ryan Lahood Md 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 ID5799030870

PECOS Enrollment IDI20230907003635

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.

Medicare Billing Reassignment

Medicare enrollment records show Ryan Lahood reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Colorado Allergy And Asthma Centers, PC

22 mi

Specialist

125 RAMPART WAY, SUITE 200
Denver, CO 80230

Reassigned Medicare billing, Colorado enrollment
19 clinicians in this Medicare group

NPI 1417986134 (720) 858-7434

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

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.

1,384 services35 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.

632 services67 patients

Professional service for single injection of allergen 95115

A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.

330 services49 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.

149 services84 patients

Administration and interpretation of patient-focused health risk assessment 96160

This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.

128 services70 patients

Test to measure rate of airflow 94375

This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.

98 services55 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

69 services12 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

55 services55 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

22 services22 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

13 services13 patients

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 Ryan Lahood's NPI number?

The NPI number for Ryan Lahood is 1033607742. It was assigned to this individual provider in the NPPES registry on April 27, 2018.

Where is Ryan Lahood located?

Ryan Lahood practices at 3980 Limelight Ave Ste D, Castle Rock, CO 80109. The listed phone number is (720) 858-7470.

What is Ryan Lahood's specialty?

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

Is Ryan Lahood enrolled in Medicare?

Yes. Ryan Lahood 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.

Which organization bills Medicare for Ryan Lahood's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Lahood reassigns Medicare benefits to Colorado Allergy And Asthma Centers, PC (Denver, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ryan Lahood's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ryan Lahood accept?

Health plans from Select Health list Ryan Lahood as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ryan Lahood was last updated on December 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.