Mary Ann Marie Hollis, DDS
Dentist · Lombard, IL
Mary Ann Marie Hollis, DDS is a dentist with a practice address in Lombard, Illinois, and NPI 1578631180, issued on Dec 1, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Marie Hollis
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- Practice location
- 2 E 22ND Street, Lombard, IL 60148
- Phone
- (630) 627-4680
- Enumerated
- Dec 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (630) 627-4690
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Also registered at 2 E 22ND Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheila Cozzola, RDHDental Hygienist1790853281
- Morgan Schmit, RDHDental Hygienist1558439059
Verify Mary Ann Marie Hollis 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
22% fewer Medicare Part D claims than the average dentist in 2024
67 Medicare Part D claims for 52 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin50 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: $20.84
1 payment: food and beverage; the largest payer was OraPharma, a division of Bausch Health US, LLC. The 31,974 providers of this specialty with any payment received $540.36 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.
Mary Ann Marie Hollis among 4,522 dentist records in Illinois
Mary Ann Marie Hollis, DDS is one of 4,522 dentist records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 81% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 dentist records list a practice address in Lombard
They are 31 of the 1,347 NPPES records with a practice address in Lombard, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Lombard → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Michael CeroneLombard, IL 601481780898148
- Michael Colletti, D.D.S.Lombard, IL 601481346407178
- Patrick Cullinan, DDSLombard, IL 601481477615672
- Dean Francis, D.D.S.Lombard, IL 601481700876786
- John FrenzelLombard, IL 601481497823009
- Sheela Gandhi, D.D.S.Lombard, IL 601481700930526
- Melissa Gierman, DDSLombard, IL 601481467661371
- Kevin Krug, DDSLombard, IL 601481386767242
Common questions
What is Mary Ann Marie Hollis, DDS's NPI number?
Mary Ann Marie Hollis, DDS's National Provider Identifier (NPI) is 1578631180, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Marie Hollis, DDS located?
The NPPES record lists a practice address at 2 E 22ND Street, Lombard, IL, 60148. Phone: (630) 627-4680. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Marie Hollis, DDS's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Ann Marie Hollis, DDS prescribe under Medicare Part D?
In 2024, Mary Ann Marie Hollis, DDS had 67 Medicare Part D claims for 52 beneficiaries; the average among dentist prescribers was 86. 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.