Margarita Kos, APRN
NPI 1477974525 · Psychiatric/Mental Health Nurse Practitioner · Burr Ridge, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margarita Kos, APRN is a Psychiatric/Mental Health Nurse Practitioner provider in Burr Ridge, IL (NPI 1477974525).
Provider details
- NPI number
- 1477974525
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 277001467 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
71 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 42 | $101 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 29 | $58 |
Typical Medicare-allowed amounts for these services range $58–$101 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Escitalopram Oxalate | 31 | 11 |
| Lamotrigine | 30 | — |
| Metformin Hcl | 27 | 16 |
| Lisinopril | 22 | 12 |
| Atorvastatin Calcium | 20 | 11 |
| Sertraline Hcl | 19 | — |
| Simvastatin | 19 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$421 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-12-16
- Last updated
- 2026-06-01
- Certified
- 2026-06-01
Frequently asked questions
- What is Margarita Kos's NPI number?
- Margarita Kos's National Provider Identifier (NPI) is 1477974525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margarita Kos's specialty?
- Margarita Kos is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margarita Kos located?
- Margarita Kos's practice location on file with NPPES is 7055 High Grove Blvd, Burr Ridge, IL 60527-7593.
- What is Margarita Kos's phone number?
- The practice phone number listed in the NPPES registry for Margarita Kos is (630) 371-9980.
- Does Margarita Kos accept Medicare?
- Margarita Kos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margarita Kos's NPI active?
- Yes — Margarita Kos's NPI (1477974525) is active in the NPPES registry as of the last update on 2026-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.