Quick answers
- Does Sarah M. Nicolai accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah M. Nicolai 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 Sarah M. Nicolai see?
- In 2024, CMS data shows 38 Original Medicare patients and 520 services for Sarah M. Nicolai. This counts Original Medicare only and measures volume, not quality.
- What is Sarah M. Nicolai's NPI number?
- 1558534990. 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 Sarah M. Nicolai, 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 | 38 |
|---|---|
| Services billed to Medicare | 520 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 65 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)17 services
- Insertion of needle into vein for collection of blood sample (36415)13 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)12 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 cholesterol47%
- Arthritis45%
- Asthma39%
- Depression34%
- Anxiety34%
- High blood pressure32%
Practice locations
Addresses where Sarah M. Nicolai is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 2500 Como AveSaint Paul, MN 55108
- 401 Phalen BlvdSaint Paul, MN 55130 (651) 254‑7400
- 435 Phalen BlvdSaint Paul, MN 55130
- 8325 Seasons PkwyWoodbury, MN 55125 (651) 702‑5868
- 8450 Seasons PkwyWoodbury, MN 55125 (651) 702‑5300
Group practices
Medicare enrollment lists Sarah M. Nicolai as a member of this group (CMS data updated October 2, 2026).
- Group Health Inc1,638 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists 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 | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558534990 |
| 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