Marialuisa Doubek, FNP
NPI 1841735222 · Family Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marialuisa Doubek, FNP is a Family Nurse Practitioner provider in Chicago, IL (NPI 1841735222).
Provider details
- NPI number
- 1841735222
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209014130 (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
9 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
17 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) |
|---|---|---|
| Assessment of Emotional Or Behavioral Problems96127 | 17 | $5 |
Typical Medicare-allowed amounts for these services range $5–$5 (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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 127 | 44 |
| Metformin Hcl | 71 | 24 |
| Losartan Potassium | 34 | — |
| Amlodipine Besylate | 30 | — |
| Lisinopril | 29 | — |
| Alendronate Sodium | 28 | — |
| Gabapentin | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$26 across 1 record (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
- 2016-12-21
- Last updated
- 2020-09-29
- Certified
- 2020-09-29
Frequently asked questions
- What is Marialuisa Doubek's NPI number?
- Marialuisa Doubek's National Provider Identifier (NPI) is 1841735222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marialuisa Doubek's specialty?
- Marialuisa Doubek is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marialuisa Doubek located?
- Marialuisa Doubek's practice location on file with NPPES is 6550 S Richmond St, Chicago, IL 60629-2821.
- What is Marialuisa Doubek's phone number?
- The practice phone number listed in the NPPES registry for Marialuisa Doubek is (773) 309-4445.
- Does Marialuisa Doubek accept Medicare?
- Marialuisa Doubek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marialuisa Doubek's NPI active?
- Yes — Marialuisa Doubek's NPI (1841735222) is active in the NPPES registry as of the last update on 2020-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.