Doctor profile · Federal record

Dr. Joseph Mullen, D.O.

Psychiatry Physician (CMS: Psychiatry) · Romeoville, IL

  • NPI 1972778801
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1239 Windham Pkwy
Romeoville, IL 604461608
(815) 942-6323
fax (779) 210-5541
Mailing address
Po Box 713260
Chicago, IL 606770264

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
May 24, 2023
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Illinois #036.122951

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972778801. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
241
Distinct HCPCS
3
Medicare allowed
$27,957
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 131 24 $132
90838 Psychotherapy with evaluation and management visit, 1 hour 59 11 $119
90833 Psychotherapy with evaluation and management visit, 30 minutes 51 18 $70

In context: peer comparison

Among 4 peers in this city , average services per provider: 83. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$118
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Vanda Pharmaceuticals Inc. 1 $98.05
Takeda Pharmaceuticals U.S.A., Inc. 1 $19.76

By nature of payment

Food and Beverage
$118

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
810
Patients
24
Total drug cost
$20,504
Drug Type Claims Patients Total cost
Alprazolam Generic 97 13 $1,212
Clonazepam Generic 92 11 $558
Duloxetine Hcl Generic 90 0 $1,645
Lorazepam Generic 67 0 $666
Lamotrigine Generic 64 0 $1,407
Methylphenidate Hcl Generic 53 0 $873
Olanzapine Generic 52 0 $1,627
Fluoxetine Hcl Generic 49 0 $201
Sertraline Hcl Generic 42 0 $626
Trazodone Hcl Generic 41 0 $412

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Mullen's medical specialty?
Dr. Joseph Mullen practices Psychiatry Physician in Romeoville, IL.
Where does Dr. Joseph Mullen practice?
Dr. Joseph Mullen practices at 1239 Windham Pkwy, Romeoville, IL 604461608. Office phone: 8159426323.
What is Dr. Joseph Mullen's NPI?
Dr. Joseph Mullen's National Provider Identifier (NPI) is 1972778801, issued by NPPES.
Does Dr. Joseph Mullen accept Medicare assignment?
Yes. Dr. Joseph Mullen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Mullen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90838); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.