Marcus William Malczewski, DDS
Dentist · Hobart, IN
Marcus William Malczewski, DDS is a dentist with a practice address in Hobart, Indiana, and NPI 1386764157, issued on Mar 29, 2007. Check the license (Indiana 12008805, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marcus William Malczewski
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 12008805 IN
Self-reported in NPPES; status is on the state search - Practice location
- 7855 Grand Boulevard, Hobart, IN 46342
- Phone
- (219) 942-4473
- Enumerated
- Mar 29, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (219) 947-7181
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,582 in Indiana → Look up another NPI →
Verify Marcus William Malczewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 12008805Check 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 56 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Cephalexin44 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: $53.96
2 payments; by number, the most common kind was food and beverage; the largest payer was Ultradent Products Inc. 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.
Marcus William Malczewski among 1,582 dentist records in Indiana
Marcus William Malczewski, DDS is one of 1,582 dentist records with a practice address in Indiana. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 22% of them.
- NPI issued2007 · 22% of these records are older, 61% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 70% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Indiana
There are 1,582 dentist records in Indiana.
All 1,582 in Indiana → Every provider in Hobart → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Peter Ferrari, DDSHobart, IN 463421669507059
- Carla Brink, D.D.S.Hebron, IN 463411689698292
- Mark Detert, DDSHebron, IN 463411912021585
- Donald Roberts, DDS.Hebron, IN 463411871083634
- Paul Timmons, DDSKouts, IN 463471679645584
- Ronald Corley, DDSLa Porte, IN 463501164460705
- Margaret Fox, D.D.S.La Porte, IN 463501104018662
- Michael Gnezda, DDSLa Porte, IN 463501710819354
Common questions
What is Marcus William Malczewski, DDS's NPI number?
Marcus William Malczewski, DDS's National Provider Identifier (NPI) is 1386764157, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marcus William Malczewski, DDS located?
The NPPES record lists a practice address at 7855 Grand Boulevard, Hobart, IN, 46342. Phone: (219) 942-4473. Providers update this record themselves, so call before visiting.
How can I verify Marcus William Malczewski, DDS's license?
NPPES lists Indiana license number 12008805, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Marcus William Malczewski, DDS prescribe under Medicare Part D?
In 2024, Marcus William Malczewski, DDS had 67 Medicare Part D claims for 56 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.