Margaret Kay-Stacey
NPI 1144540642 · Neurology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Kay-Stacey is a Neurology Physician provider in Chicago, IL (NPI 1144540642).
Provider details
- NPI number
- 1144540642
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 036134629 (IL)
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
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
273 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 70 | $106 |
| Sleep Study Including Heart Rate, Breathing, and Sleep Time95800 | 44 | $41 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 35 | $125 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 35 | $72 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 26 | $148 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 72 | 13 |
| Pregabalin | 52 | 14 |
| Clonazepam | 30 | — |
| Rimegepant Sulfatebrand: Nurtec Odt | 28 | — |
| Zolpidem Tartrate | 21 | — |
| Galcanezumab-Gnlmbrand: Emgality Pen | 19 | — |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-07
- Last updated
- 2022-10-24
Frequently asked questions
- What is Margaret Kay-Stacey's NPI number?
- Margaret Kay-Stacey's National Provider Identifier (NPI) is 1144540642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Kay-Stacey's specialty?
- Margaret Kay-Stacey is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Kay-Stacey located?
- Margaret Kay-Stacey's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Margaret Kay-Stacey's phone number?
- The practice phone number listed in the NPPES registry for Margaret Kay-Stacey is (888) 824-0200.
- Does Margaret Kay-Stacey accept Medicare?
- Margaret Kay-Stacey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Kay-Stacey's NPI active?
- Yes — Margaret Kay-Stacey's NPI (1144540642) is active in the NPPES registry as of the last update on 2022-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.