Quick answers
- Does Ken O. Kreidl accept Medicare assignment?
- Yes. Medicare's clinician data says Ken O. Kreidl 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 Ken O. Kreidl see?
- In 2024, CMS data shows 813 Original Medicare patients and 3,150 services for Ken O. Kreidl. This counts Original Medicare only and measures volume, not quality.
- What is Ken O. Kreidl's NPI number?
- 1942284500. 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 Ken O. Kreidl, 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 patients | 813 |
|---|---|
| Services billed to Medicare | 3,150 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Photography of the retina (92250)537 services
- Established patient complete exam of visual system (92014)518 services
- Established patient problem focused exam of visual system (92012)442 services
- Closure of tear duct opening using plug (68761)361 services
- Imaging of retina (92134)358 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 cholesterol69%
- High blood pressure51%
- Arthritis45%
- Ischemic heart disease31%
- Osteoporosis24%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)16%
Hospitals where Ken O. Kreidl works
Medicare's Facility Affiliation Data lists Ken O. Kreidl 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 AvistaLouisville, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 060103
Practice locations
Addresses where Ken O. Kreidl is enrolled with Medicare (CMS data updated October 2, 2026).
- 2750 Broadway StBoulder, CO 80304 (303) 440‑3000
Group practices
Medicare enrollment lists Ken O. Kreidl as a member of this group (CMS data updated October 2, 2026).
- Boulder Medical Center, PC86 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Boulder
Clinicians with the same Medicare primary specialty in Boulder, CO — not a recommendation.
Other clinicians in Boulder Medical Center, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942284500 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians