Marialuisa Doubek, FNP
Family Nurse Practitioner · Chicago, IL
Marialuisa Doubek, FNP is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1841735222, issued on Dec 21, 2016. Check the license (Illinois 209014130, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marialuisa Doubek
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 209014130 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6550 S Richmond St, Chicago, IL 60629
- Phone
- (773) 309-4445
- Enumerated
- Dec 21, 2016
- Record last updated
- Jun 30, 2026
- Medicare enrollment
- Enrolled (PECOS I20210528001142); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 6550 S Richmond St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adriana Guerrero, LPCProfessional Counselor1841669777
- Aura LamasPediatrics Physician1376034801
- Giulia Mobarhan, M.D.Pediatrics Physician1760589196
Verify Marialuisa Doubek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209014130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,072 Medicare Part D claims for 87 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium127 claims
- Metformin Hcl71 claims
- Losartan Potassium34 claims
- Amlodipine Besylate30 claims
- Lisinopril29 claims
- Alendronate Sodium28 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $25.97
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Esperanza Health CentersChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marialuisa Doubek among 7,639 family nurse practitioner records in Illinois
Marialuisa Doubek, FNP is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 30% of them.
- NPI issued2016 · 30% of these records are older, 63% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2018 among the 4,778 with a school on file
- Record last updated2026 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,567 family nurse practitioner records list a practice address in Chicago
They are 1,567 of the 63,379 NPPES records with a practice address in Chicago, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Chicago → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Queennorah Anigbogu, APRNChicago, IL 606291962060566
- Mayela Bermudez, FNPChicago, IL 606291154970135
- Hala Ismail, FNPChicago, IL 606291396082681
- Susan Killrakis, FNPChicago, IL 606291699873398
- Magdalena Landowski, APRNChicago, IL 606291942846217
- Melissa Martinez, APRNChicago, IL 606291235786336
- Geordoni McKoy, NPChicago, IL 606291164042701
- Maritza Munoz, FNP-BCChicago, IL 606291487315511
Common questions
What is Marialuisa Doubek, FNP's NPI number?
Marialuisa Doubek, FNP's National Provider Identifier (NPI) is 1841735222, issued on Dec 21, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Marialuisa Doubek, FNP located?
The NPPES record lists a practice address at 6550 S Richmond St, Chicago, IL, 60629. Phone: (773) 309-4445. Providers update this record themselves, so call before visiting.
How can I verify Marialuisa Doubek, FNP's license?
NPPES lists Illinois license number 209014130, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Marialuisa Doubek, FNP prescribe under Medicare Part D?
In 2024, Marialuisa Doubek, FNP had 1,072 Medicare Part D claims for 87 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.