Mary Ann Hollenback, APN
Family Nurse Practitioner · Aurora, IL
Mary Ann Hollenback, APN is a family nurse practitioner with a practice address in Aurora, Illinois, and NPI 1841339405, issued on Feb 6, 2007. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Hollenback
- Credential
- APN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- Practice location
- 2020 Ogden Ave Ste 400, Aurora, IL 60504
- Phone
- (630) 692-5563
- Enumerated
- Feb 6, 2007
- Entity
- Type 1 · individual
Also registered at 2020 Ogden Ave Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Ahmed, MDFamily Medicine Physician1891958880
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- Majad Ali, M.D.Family Medicine Physician1457399636
- Stephanie Amor-Arteaga, FNPFamily Nurse Practitioner1043862964
- Lauren CordesFamily Medicine Physician1578205365
- John Davine, M.D.Family Medicine Physician1245226497
Verify Mary Ann Hollenback in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
73% more Medicare Part D claims than the average family nurse practitioner in 2024
2,257 Medicare Part D claims for 510 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium172 claims
- Amlodipine Besylate79 claims
- Gabapentin66 claims
- Losartan Potassium61 claims
- Metformin Hcl61 claims
- Metoprolol Succinate60 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.
2 hospital and facility affiliations
- Rush University Medical GroupChicago, IL
- Rush-Copley Medical Group NfpYorkville, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
123 family nurse practitioner records list a Aurora practice address
They are 123 of the 3,342 NPPES records with a Aurora practice address, and 7,207 family nurse practitioner records in Illinois.
All 123 in Aurora → All 7,207 in Illinois → Every provider in Aurora →
Other family nurse practitioner records in Illinois
- Deborah Aaron, FNPChicago, IL1114024916
- Lawrence Abah, APNAurora, IL1306305115
- Theresa AbbaduskyPekin, IL1265892046
- Nadia Abbasi-Kling, FNP-BCChicago, IL1033767736
- Manar Abdalla, FNPChicago, IL1700632411
- Mahubah Abdallah, FNP-CRochelle, IL1841752284
- Rana Abdallah, DNP, APRN, FNP-CLake Villa, IL1851261887
- Servet Abdelhafez, APRNBrookfield, IL1790505048
- Nadia Abdessalam, FNP-BCOak Lawn, IL1356888283
- Saima Abdul Karim, FNP-BCCoal City, IL1629498753
Common questions
What is Mary Ann Hollenback, APN's NPI number?
Mary Ann Hollenback, APN's National Provider Identifier (NPI) is 1841339405, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Hollenback, APN located?
The NPPES record lists a practice address at 2020 Ogden Ave Ste 400, Aurora, IL, 60504. Phone: (630) 692-5563. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Hollenback, APN's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Ann Hollenback, APN prescribe under Medicare Part D?
In 2024, Mary Ann Hollenback, APN had 2,257 Medicare Part D claims for 510 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.