DR. CHELSEA DIANNE GAWRYLETZ DO
NPI 1801180351
Internal Medicine - Medical Oncology in Fort Collins, CO

Active since June 01, 2011PECOS EnrolledAccepts Medicare Assignment
2121 E HARMONY RD UNIT 170, FORT COLLINS, CO 80528(970) 493-6337(970) 493-3528 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Chelsea Dianne Gawryletz Do NPPES

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

DR. CHELSEA DIANNE GAWRYLETZ DO (NPI 1801180351) is an individual medical oncology provider in Fort Collins, Colorado, licensed in Colorado (DR.0060206) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Sidney Regional Medical Center, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1801180351
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameDR. CHELSEA DIANNE GAWRYLETZCredential: DO
Location Address2121 E HARMONY RD UNIT 170Fort Collins, CO 80528-3413
Mailing Address2121 E Harmony Rd Unit 170Fort Collins, CO 80528-3413 · (970) 493-6337 · Fax (970) 493-3528
Fax(970) 493-3528
Sole ProprietorYes
Medical School CMSOtherGraduated 2011
Enumeration DateJune 1, 2011
Last NPPES UpdateFebruary 3, 2026
NPPES CertifiedFebruary 3, 2026
NPI 1801180351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in CO · DR.0060206
Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal MedicineTaxonomy 207R00000X · License R1925 (AZ)
2121 E HARMONY RD UNIT 170, Fort Collins, CO 80528

Other Identifiers 1

Medicaid9000159977CO

Accepted 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

Dr. Chelsea Dianne Gawryletz Do 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 ID2163640053
PECOS Enrollment IDI20180502002571
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 5

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.

Established patient office or other outpatient visit, 40-54 minutes 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
331 services168 patients
Established patient office or other outpatient visit, 30-39 minutes 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.
34 services32 patients
New patient office or other outpatient visit, 60-74 minutes 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
30 services30 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
16 services16 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
13 services11 patients

Hospital Affiliations CMS Care Compare

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

Sidney Regional Medical Center

Critical Access Hospitals · Sidney, NE
OwnershipVoluntary non-profit - Private
CMS Certification Number281357
Location1000 Pole Creek CrossingSidney, NE 69162 · Cheyenne County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80528 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$174.82 typical visit price
range $58.06 – $174.82
Typical copayment $43.70 (range $14.51 – $43.70)
Most-billed visit code 99205
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

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

Pharmacist (Oncology)
2121 E HARMONY RD UNIT 170
FORT COLLINS, CO 80528
Pharmacist (Oncology)
2121 E HARMONY RD UNIT 170
FORT COLLINS, CO 80528
Pharmacist (Oncology)
2121 E HARMONY RD UNIT 170
FORT COLLINS, CO 80528
Genetic Counselor, MS
2121 E HARMONY RD UNIT 170
FORT COLLINS, CO 80528
Physician Assistant
2121 E HARMONY RD UNIT 170
FORT COLLINS, CO 80528
Nurse Practitioner
2121 E HARMONY RD UNIT 170
FORT COLLINS, CO 80528
Genetic Counselor, MS
2121 E HARMONY RD UNIT 170
FORT COLLINS, CO 80528
Internal Medicine (Hematology & Oncology)
2121 E HARMONY RD UNIT 170
FORT COLLINS, CO 80528

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 Chelsea Gawryletz's NPI number?

The NPI number for Chelsea Gawryletz is 1801180351. It was assigned to this individual provider in the NPPES registry on June 1, 2011.

Where is Chelsea Gawryletz located?

Chelsea Gawryletz practices at 2121 E Harmony Rd Unit 170, Fort Collins, CO 80528. The listed phone number is (970) 493-6337.

What is Chelsea Gawryletz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Chelsea Gawryletz enrolled in Medicare?

Yes. Chelsea Gawryletz 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 Chelsea Gawryletz accept?

Health plans from Medica and UnitedHealthcare list Chelsea Gawryletz 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 Chelsea Gawryletz affiliated with any hospitals?

According to CMS data, Chelsea Gawryletz is affiliated with Sidney Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Chelsea Gawryletz was last updated on February 3, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.