Mark Alan Ubbens, CRNP
Nurse Practitioner · Chicago, IL
Mark Alan Ubbens, CRNP is a nurse practitioner with a practice address in Chicago, Illinois, and NPI 1578938213, issued on Dec 7, 2015. Check the license (Illinois 209030092, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Alan Ubbens
- Credential
- CRNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209030092 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave, Chicago, IL 60637
- Phone
- (888) 824-0200
- Enumerated
- Dec 7, 2015
- Record last updated
- Oct 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20160129000980); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Alan Ubbens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209030092Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average nurse practitioner in 2024
218 Medicare Part D claims for 124 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 69 claims were for opioids.
Most prescribed
- Oxycodone Hcl57 claims
- Enoxaparin Sodium28 claims
- Levetiracetam22 claims
- Carisoprodol17 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.
Bills Medicare through 2 group practices
- Geisinger ClinicDanville, PA
- University OF ChicagoChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Alan Ubbens among 4,892 nurse practitioner records in Illinois
Mark Alan Ubbens, CRNP is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 31% of them.
- NPI issued2015 · 31% of these records are older, 64% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2015 · median 2018 among the 3,389 with a school on file
- Record last updated2024 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
952 nurse practitioner records list a practice address in Chicago
They are 952 of the 63,379 NPPES records with a practice address in Chicago, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Chicago → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Charina AlcainChicago, IL 606371255522652
- Beverly Dooley, N.P.Chicago, IL 606371215121520
- Janet FriantChicago, IL 606371528153210
- Ima Garcia, N.P.Chicago, IL 606371376737684
- Keren Green, NPChicago, IL 606371134313455
- Ayman Hamad, APRNChicago, IL 606371447218326
- Elizabeth Hood, N.P.Chicago, IL 606371154512572
- Mindy JacobsChicago, IL 606371033230156
Common questions
What is Mark Alan Ubbens, CRNP's NPI number?
Mark Alan Ubbens, CRNP's National Provider Identifier (NPI) is 1578938213, issued on Dec 7, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mark Alan Ubbens, CRNP located?
The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (888) 824-0200. Providers update this record themselves, so call before visiting.
How can I verify Mark Alan Ubbens, CRNP's license?
NPPES lists Illinois license number 209030092, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Alan Ubbens, CRNP prescribe under Medicare Part D?
In 2024, Mark Alan Ubbens, CRNP had 218 Medicare Part D claims for 124 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.