Marla Hartzen, MD
Psychiatry Physician · Park Ridge, IL
Marla Hartzen, MD is a psychiatry physician with a practice address in Park Ridge, Illinois, and NPI 1356352447, issued on Aug 11, 2006. Check the license (Illinois 036-086750, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Marla Hartzen
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 036-086750 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1875 Dempster St, Park Ridge, IL 60068
- Phone
- (847) 795-3100
- Enumerated
- Aug 11, 2006
- Record last updated
- Feb 20, 2025
- Fax
- (847) 723-5882
- Medicaid ID
- 036086750 IL
- Medicare enrollment
- Enrolled (PECOS I20100106000831); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 1875 Dempster St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Abern, M.D.Specialist1922027424
- Daniel Anzia, M.D.Psychiatry Physician1972613222
- Marissa BarriaPhysician Assistant1720829351
- Jerry Bauer, MDNeurological Surgery Physician1861490427
- Christopher Bergin, MDOrthopaedic Surgery of the Spine Physician1205880820
- Avi Bernstein, M.D.Orthopaedic Surgery of the Spine Physician1740325927
Verify Marla Hartzen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-086750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average psychiatry physician in 2024
757 Medicare Part D claims for 81 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Clonazepam88 claims
- Bupropion Xl69 claims
- Sertraline Hcl54 claims
- Fluoxetine Hcl42 claims
- Trazodone Hcl33 claims
- Alprazolam32 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 one group practice
- Advocate Health And Hospitals CorporationPark Ridge, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marla Hartzen among 2,147 psychiatry physician records in Illinois
Marla Hartzen, MD is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 65% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated1990 · median 2004 among the 877 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 psychiatry physician records list a practice address in Park Ridge
They are 48 of the 2,577 NPPES records with a practice address in Park Ridge, and 2,147 psychiatry physician records in Illinois.
All 2,147 in Illinois → Every provider in Park Ridge → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Daniel Anzia, M.D.Park Ridge, IL 600681972613222
- Susan Bank, MDRark Ridge, IL 600681578696332
- Ok Hong, MDPark Ridge, IL 600681497711873
- Charles Kaegi, MDPark Ridge, IL 600681528058567
- Warren Kammerer, MDPark Ridge, IL 600681134236565
- Dickie Kay, M.D.Park Ridge, IL 600681497846042
- Donald Koziol, M.D.Park Ridge, IL 600681548392301
- Geoffrey Levin, MDPark Ridge, IL 600681447372842
Common questions
What is Marla Hartzen, MD's NPI number?
Marla Hartzen, MD's National Provider Identifier (NPI) is 1356352447, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marla Hartzen, MD located?
The NPPES record lists a practice address at 1875 Dempster St, Park Ridge, IL, 60068. Phone: (847) 795-3100. Providers update this record themselves, so call before visiting.
How can I verify Marla Hartzen, MD's license?
NPPES lists Illinois license number 036-086750, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marla Hartzen, MD prescribe under Medicare Part D?
In 2024, Marla Hartzen, MD had 757 Medicare Part D claims for 81 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.