Leto Quarles, M.D.
NPI 1811917883 · Family Medicine Physician · Parker, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leto Quarles, M.D. is a Family Medicine Physician provider in Parker, CO (NPI 1811917883).
Provider details
- NPI number
- 1811917883
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 45461 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,389 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 629 | $152 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 480 | $107 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 175 | $179 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 42 | $49 |
| 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 andG0180 | 21 | $54 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 330 | 65 |
| Apixabanbrand: Eliquis | 289 | 44 |
| Levothyroxine Sodium | 252 | 51 |
| Furosemide | 181 | 46 |
| Lisinopril | 170 | 49 |
| Amlodipine Besylate | 159 | 41 |
| Rivaroxaban |
Practice location
Mailing address
Additional practice locations (2)
- 2503 Walnut StSte 200Boulder, CO 80302-5745Phone: (303) 557-2250Fax: (303) 325-7688
- 1755 48th StSuite 200Boulder, CO 80301-2711Phone: (303) 494-5263Fax: (303) 441-2166
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2024-08-23
- Certified
- 2024-08-23
Frequently asked questions
- What is Leto Quarles's NPI number?
- Leto Quarles's National Provider Identifier (NPI) is 1811917883, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leto Quarles's specialty?
- Leto Quarles is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leto Quarles located?
- Leto Quarles's practice location on file with NPPES is 12230 Lioness Way, Parker, CO 80134-5603.
- What is Leto Quarles's phone number?
- The practice phone number listed in the NPPES registry for Leto Quarles is (720) 644-9355.
- Does Leto Quarles accept Medicare?
- Leto Quarles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leto Quarles's NPI active?
- Yes — Leto Quarles's NPI (1811917883) is active in the NPPES registry as of the last update on 2024-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.