Joseph Mullen, D.O.
Psychiatry Physician · Romeoville, IL
Joseph Mullen, D.O. is a psychiatry physician with a practice address in Romeoville, Illinois, and NPI 1972778801, issued on Apr 22, 2008. Check the license (Illinois 036.122951, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Joseph Mullen
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 036.122951 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1239 Windham Pkwy, Romeoville, IL 60446
- Phone
- (815) 942-6323
- Enumerated
- Apr 22, 2008
- Record last updated
- May 24, 2023
- Fax
- (779) 210-5541
- Medicare enrollment
- Enrolled (PECOS I20100730000396); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 1999
- 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 1239 Windham Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dayna Abramson, PSYDClinical Psychologist1891523502
- Adnan Arif, M.D.Psychiatry Physician1710914890
- Anthony Badway, APRNPsychiatric/Mental Health Nurse Practitioner1528890084
- Kristina Bouros, PSYDPsychologist1164909156
- Robin Calhoun-Palermo, LCPCProfessional Counselor1558915546
- Kala Chinnaswamy, MDPsychiatry Physician1902482714
Verify Joseph Mullen 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 036.122951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average psychiatry physician in 2024
885 Medicare Part D claims for 55 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Lorazepam55 claims
- Lamotrigine49 claims
- Alprazolam46 claims
- Methylphenidate Hcl44 claims
- Clonazepam43 claims
- Fluoxetine Hcl40 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: $117.81
2 payments; by number, the most common kind was food and beverage; the largest payer was Vanda Pharmaceuticals Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Bills Medicare through one group practice
- Comprehensive Clinical Services PCLombard, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Mullen among 2,147 psychiatry physician records in Illinois
Joseph Mullen, D.O. 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated1999 · median 2004 among the 877 with a school on file
- Record last updated2023 · 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).
7 psychiatry physician records list a practice address in Romeoville
They are 7 of the 320 NPPES records with a practice address in Romeoville, and 2,147 psychiatry physician records in Illinois.
All 2,147 in Illinois → Every provider in Romeoville → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Adnan Arif, M.D.Romeoville, IL 604461710914890
- Kala Chinnaswamy, MDRomeoville, IL 604461902482714
- Susan Colegrove, M.D.Romeoville, IL 604461669835997
- Steven Prinz, M.D.Romeoville, IL 604461992769012
- Margaret Ward, M.D.Romeoville, IL 604461689613150
- Ronald Wuest, M.D.Romeoville, IL 604461548201783
- Robert Marquis, M.D.Mokena, IL 604481376668574
- Elena Tuskenis, M.D.Mokena, IL 604481437481843
Common questions
What is Joseph Mullen, D.O.'s NPI number?
Joseph Mullen, D.O.'s National Provider Identifier (NPI) is 1972778801, issued on Apr 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Mullen, D.O. located?
The NPPES record lists a practice address at 1239 Windham Pkwy, Romeoville, IL, 60446. Phone: (815) 942-6323. Providers update this record themselves, so call before visiting.
How can I verify Joseph Mullen, D.O.'s license?
NPPES lists Illinois license number 036.122951, 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 Joseph Mullen, D.O. prescribe under Medicare Part D?
In 2024, Joseph Mullen, D.O. had 885 Medicare Part D claims for 55 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.