LETO QUARLES M.D.
NPI 1811917883
Family Medicine in Parker, CO

Active since July 20, 2006PECOS EnrolledAccepts Medicare Assignment
12230 LIONESS WAY, PARKER, CO 80134(720) 644-9355 Get Directions Write a Review

NPPES record last updated: August 23, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 23, 2024, Jul 21, 2022, Sep 15, 2020 and 4 more (7 updates tracked since 2015).

About Leto Quarles M.d. NPPES

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

LETO QUARLES M.D. (NPI 1811917883) is an individual family medicine provider in Parker, Colorado, licensed in Colorado (45461) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Utah School Of Medicine (2002).

NPPES Registry Identity

NPI1811917883
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameLETO QUARLESCredential: M.D.
Location Address12230 LIONESS WAYParker, CO 80134-5603
Mailing Address9250 E Costilla Ave Ste 540Greenwood Village, CO 80112-3648 · (720) 644-9355 · Fax (303) 325-7688
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2002
Enumeration DateJuly 20, 2006
Last NPPES UpdateAugust 23, 20247 updates tracked since enumeration
NPPES CertifiedAugust 23, 2024
✔ NPI 1811917883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CO · 45461
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
12230 LIONESS WAY, Parker, CO 80134

Secondary Practice Locations 2

Location 11755 48th St, Suite 200Boulder, CO 80301-2711 · Phone (303) 494-5263 · Fax (303) 441-2166
Location 22503 WALNUT ST, STE 200BOULDER, CO 80302-5745 · Phone (303) 557-2250 · Fax (303) 325-7688

Other Identifiers 1

Medicaid57820511CO

Accepted 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

Leto Quarles M.d. 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 ID6507896925
PECOS Enrollment IDI20070717000143
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 Reassignments

2

Medicare enrollment records show Leto Quarles reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
9250 E COSTILLA AVE STE 540
Greenwood Village, CO 80112
  • Reassigned Medicare billing, Colorado enrollment
  • Medicare enrollment name: Summit Medical Consultants Aco Prof LLC
  • 89 clinicians in this Medicare group
Internal Medicine
9250 E COSTILLA AVE STE 540
Greenwood Village, CO 80112
  • Reassigned Medicare billing, Colorado enrollment
  • 91 clinicians in this Medicare group

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 8

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.

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
629 services153 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
480 services132 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
175 services145 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
42 services11 patients
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180
This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.
21 services21 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
17 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80134 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
$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 20

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

Physician Assistant (Medical)
12230 LIONESS WAY
PARKER, CO 80134
Family Medicine
12230 LIONESS WAY
PARKER, CO 80134
Family Medicine
12230 LIONESS WAY
PARKER, CO 80134
Nurse Practitioner (Family)
12230 LIONESS WAY
PARKER, CO 80134
Nurse Practitioner (Family)
12230 LIONESS WAY
PARKER, CO 80134
Nurse Practitioner (Primary Care)
12230 LIONESS WAY
PARKER, CO 80134
Nurse Practitioner (Family)
12230 LIONESS WAY
PARKER, CO 80134
Nurse Practitioner (Family)
12230 LIONESS WAY
PARKER, CO 80134

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 Leto Quarles's NPI number?

The NPI number for Leto Quarles is 1811917883. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Where is Leto Quarles located?

Leto Quarles practices at 12230 Lioness Way, Parker, CO 80134. The listed phone number is (720) 644-9355.

What is Leto Quarles's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Leto Quarles enrolled in Medicare?

Yes. Leto Quarles 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 organizations bill Medicare for Leto Quarles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leto Quarles reassigns Medicare benefits to 2 organizations: Summit Medical Consultants PLLC (Greenwood Village, CO) and Summit Medical Consultants PLLC (Greenwood Village, CO). Each 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 Leto Quarles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leto Quarles accept?

Health plans from Select Health list Leto Quarles 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 Leto Quarles was last updated on August 23, 2024. 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.