1. Home
  2. Directory
  3. Colorado
  4. Fort Collins
  5. Allergy Immunology
  6. NPI Profile

ERIN K. WILLITS MD
NPI 1962766402
Allergy & Immunology in Fort Collins, CO

Active since June 29, 2012PECOS EnrolledAccepts Medicare Assignment
2121 E HARMONY RD UNIT 290, FORT COLLINS, CO 80528(970) 221-2370(970) 221-9654 Get Directions Write a Review

NPPES record last updated: October 18, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 18, 2023, Jul 19, 2022, May 2, 2022 and 4 more (7 updates tracked since 2017).

About Erin K. Willits Md NPPES

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

ERIN K. WILLITS MD (NPI 1962766402) is an individual allergy & immunology provider in Fort Collins, Colorado, licensed in Colorado (DR.0063320) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Cheyenne Regional Medical Center, and is a graduate of University Of Washington School Of Medicine (2012).

NPPES Registry Identity

NPI1962766402
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameERIN K. WILLITSCredential: MD
Location Address2121 E HARMONY RD UNIT 290Fort Collins, CO 80528-3402
Mailing AddressPo Box 603725Charlotte, NC 28260-3725 · (828) 575-2625 · Fax (828) 350-2174
Phone(970) 221-2370
Fax(970) 221-9654
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2012
Enumeration DateJune 29, 2012
Last NPPES UpdateOctober 18, 20237 updates tracked since enumeration
NPPES CertifiedOctober 18, 2023
✔ NPI 1962766402 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Licenses✔ Licensed in CO · DR.0063320✔ Licensed in WY · 12626A
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.

2121 E HARMONY RD UNIT 290, Fort Collins, CO 80528
Open in Google Maps ↗

Other Names 1

Former Name (1)Erin K Catellier

Other Identifiers 5

Medicaid10027193200NE
Medicaid155603700WY
Other883496CO · Medicare Ptan
OtherW31876WY · Medicare Ptan
Medicaid9000177898CO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

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

Erin K. Willits 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 ID4981840980
PECOS Enrollment IDI20191202000507, I20200424001236
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 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.
4,421 services79 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.
1,545 services87 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.
722 services82 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.
241 services21 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.
185 services25 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.
109 services92 patients

Hospital Affiliations CMS Care Compare

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

Cheyenne Regional Medical Center

Acute Care Hospitals · Cheyenne, WY
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number530014
Location214 East 23rd StreetCheyenne, WY 82001 · Laramie County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 2

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

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
4 suppliers17 claims22 services$37.60 avg. paid by Medicare
Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin J1575
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers17 claims7,650 services$12.31 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 4

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

DR. ERIK LEE ANDERSON PHD, DO
Allergy & Immunology
2121 E HARMONY RD UNIT 290
FORT COLLINS, CO 80528
Larimer County (970) 221-2370
WILLIAM CULVER MD
Allergy & Immunology
2121 E HARMONY RD UNIT 290
FORT COLLINS, CO 80528
Larimer County (970) 221-2370
ALLERGY PARTNERS OF COLORADO PC
Allergy & Immunology
2121 E HARMONY RD UNIT 290
FORT COLLINS, CO 80528
Larimer County (970) 221-2370
MICHAEL MARTUCCI MD
Allergy & Immunology
2121 E HARMONY RD UNIT 290
FORT COLLINS, CO 80528
Larimer County (970) 221-2370

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 Erin Willits's NPI number?

The NPI number for Erin Willits is 1962766402. It was assigned to this individual provider in the NPPES registry on June 29, 2012. The provider is also known as Erin K Catellier.

Where is Erin Willits located?

Erin Willits practices at 2121 E Harmony Rd Unit 290, Fort Collins, CO 80528. The listed phone number is (970) 221-2370.

What is Erin Willits's specialty?

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

Is Erin Willits enrolled in Medicare?

Yes. Erin Willits 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.

What insurance does Erin Willits accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Blue Cross Blue Shield of Wyoming and 3 other insurers list Erin Willits 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.

Is Erin Willits affiliated with any hospitals?

According to CMS data, Erin Willits is affiliated with Cheyenne Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Erin Willits was last updated on October 18, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.