Quick answers
- Does Katherine L. Spencer accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine L. Spencer 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 Katherine L. Spencer see?
- In 2024, CMS data shows 101 Original Medicare patients and 153 services for Katherine L. Spencer. This counts Original Medicare only and measures volume, not quality.
- What is Katherine L. Spencer's NPI number?
- 1649242066. 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 Katherine L. Spencer, 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 | 101 |
|---|---|
| Services billed to Medicare | 153 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient complete exam of visual system (92014)86 services
- Exam of visual field with extended testing (92083)19 services
- Imaging of optic nerve (92133)15 services
- Imaging of retina (92134)11 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 blood pressure61%
- High cholesterol60%
- Diabetes33%
- Arthritis32%
- Ischemic heart disease20%
- Osteoporosis19%
Practice locations
Addresses where Katherine L. Spencer is enrolled with Medicare (CMS data updated October 2, 2026).
- 401 Phalen BlvdSaint Paul, MN 55130 (651) 254‑7400
- 435 Phalen BlvdSaint Paul, MN 55130
- 8325 Seasons Pkwy, Suite 103Woodbury, MN 55125 (651) 702‑5848
- 8600 Nicollet AveBloomington, MN 55420
Group practices
Medicare enrollment lists Katherine L. Spencer as a member of this group (CMS data updated October 2, 2026).
- Group Health Inc1,638 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Saint Paul
Clinicians with the same Medicare primary specialty in Saint Paul, MN — not a recommendation.
Other clinicians in Group Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | University Of Houston - College Of Optometry |
| Graduation year | 1988 (38 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649242066 |
| 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
- 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