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CHELSEA TRETTER PA
NPI 1174099592
Physician Assistant in Lakewood, CO

Active since October 23, 2018PECOS Enrolled
1687 COLE BLVD STE 150, LAKEWOOD, CO 80401(720) 712-0796 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 25, 2026, Sep 5, 2019, Oct 23, 2018 (3 updates tracked since 2018).

About Chelsea Tretter Pa NPPES

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

CHELSEA TRETTER PA (NPI 1174099592) is an individual physician assistant in Lakewood, Colorado and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1174099592
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameCHELSEA TRETTERCredential: PA
Location Address1687 COLE BLVD STE 150Lakewood, CO 80401-3322
Mailing Address1293 S Race StDenver, CO 80210-1817 · (909) 615-3204
Phone(720) 712-0796
Sole ProprietorNo
Enumeration DateOctober 23, 2018
Last NPPES UpdateMarch 25, 20263 updates tracked since enumeration
NPPES CertifiedMarch 25, 2026
✔ NPI 1174099592 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1687 COLE BLVD STE 150, Lakewood, CO 80401
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Other Names 1

Former Name (1)Chelsea Cheeley Pa

Secondary Practice Locations 2

Location 1600 William St Apt 550Oakland, CA 94612-5403 · Phone (909) 615-3204
Location 2840 Irving StSan Francisco, CA 94122 · Phone (415) 590-6140

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include First Choice Next.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chelsea Tretter Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 12

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.

Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
264 services32 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.
85 services81 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
84 services41 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
57 services44 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
52 services51 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.
49 services48 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80401 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
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 2

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

INTERMOUNTAIN MEDICAL GROUP DENVER, LLC
Neurological Surgery
1687 COLE BLVD STE 150
LAKEWOOD, CO 80401
Jefferson County (303) 403-6626
JM NEUROSPINE LLC
Neurological Surgery
1687 COLE BLVD STE 150
LAKEWOOD, CO 80401
Jefferson County (719) 278-7562

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 Tretter's NPI number?

The NPI number for Chelsea Tretter is 1174099592. It was assigned to this individual provider in the NPPES registry on October 23, 2018. The provider is also known as Chelsea Cheeley PA.

Where is Chelsea Tretter located?

Chelsea Tretter practices at 1687 Cole Blvd Ste 150, Lakewood, CO 80401. The listed phone number is (720) 712-0796.

What is Chelsea Tretter's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Chelsea Tretter enrolled in Medicare?

Yes. Chelsea Tretter is registered in the Medicare PECOS enrollment system.

What insurance does Chelsea Tretter accept?

Health plans from First Choice Next list Chelsea Tretter 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 Chelsea Tretter was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.