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Obstetrics/Gynecology

Kelly Lennon, MD

Works at hospitals in Castle Rock, CO · Littleton, CO · Colorado

Summary

Dr. Kelly Lennon, MD is an OB-GYN at 2352 Meadows Blvd, Suite 255, Castle Rock, CO 80109. Phone: (303) 738-1100. Accepts Medicare assignment. In 2024, Kelly Lennon had 44 Original Medicare patients and 98 services. NPI 1154304418. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 2352 Meadows Blvd, Suite 255, Castle Rock, CO 80109 · Directions (1 more location)
  • Phone: (303) 738‑1100
  • Medicare: Accepts Medicare assignment
  • Hospitals: AdventHealth Castle Rock, AdventHealth Littleton
  • Group practice: Onpoint Obgyn LLC
  • Medical school: Creighton University School Of Medicine · graduated 1983 (43 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kelly Lennon, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kelly Lennon accept Medicare assignment?
Yes. Medicare's clinician data says Kelly Lennon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kelly Lennon see?
In 2024, CMS data shows 44 Original Medicare patients and 98 services for Kelly Lennon. This counts Original Medicare only and measures volume, not quality.
What is Kelly Lennon's NPI number?
1154304418. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Kelly Lennon, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients44
Services billed to Medicare98
Different services or procedures21
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Urinalysis, manual test (81002)25 services
  2. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)14 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol59%
  • Arthritis43%
  • High blood pressure41%
  • Osteoporosis34%
  • Anxiety25%

Hospitals where Kelly Lennon works

Medicare's Facility Affiliation Data lists Kelly Lennon at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • AdventHealth Castle RockCastle Rock, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060125
  • AdventHealth LittletonLittleton, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060113

Practice locations

Addresses where Kelly Lennon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kelly Lennon as a member of this group (CMS data updated October 2, 2026).

  • Onpoint Obgyn LLC20 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Colorado →

Other OB-GYNs in Castle Rock

Clinicians with the same Medicare primary specialty in Castle Rock, CO — not a recommendation.

All OB-GYNs in Castle Rock →

Other clinicians in Onpoint Obgyn LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154304418
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians