Doctor profile · Federal record

Dr. Philip Muller, D.O.

Psychiatry Physician (CMS: Psychiatry) · Sioux City, IA

  • NPI 1891756128
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 4Th St, Suite 501
Sioux City, IA 511011750
(712) 234-0220
fax (712) 234-0225

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
December 21, 2007
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Iowa #03099
Medicaid
IA #4157164

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891756128. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
328
Distinct HCPCS
4
Medicare allowed
$34,011
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 200 66 $116
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 72 27 $74
99238 Hospital discharge day management, 30 minutes or less 30 24 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 22 $121

In context: peer comparison

Among 2 peers in this city , average services per provider: 62. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,002
Transactions
52
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, Inc. 8 $140.19
Otsuka America Pharmaceutical, Inc. 9 $130.90
Janssen Pharmaceuticals, Inc 6 $106.90
Supernus Pharmaceuticals, Inc. 1 $101.40
Lundbeck LLC 5 $98.15
Alkermes, Inc. 4 $84.58
ABBVIE INC. 4 $68.04
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 3 $59.34
Noven Therapeutics, LLC 3 $44.83
Vanda Pharmaceuticals Inc. 2 $44.33
Takeda Pharmaceuticals U.S.A., Inc. 2 $41.35
Corium, LLC 2 $25.70
E.R. Squibb & Sons, L.L.C. 1 $23.16
Axsome Therapeutics, Inc. 1 $18.62
Neurocrine Biosciences, Inc. 1 $14.79

By nature of payment

Food and Beverage
$1,002

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,059
Patients
317
Total drug cost
$54,745
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 324 48 $6,132
Bupropion Xl (Bupropion Hcl) Brand 188 23 $3,001
Lorazepam Generic 184 35 $1,833
Clozapine Generic 177 11 $13,147
Aripiprazole Generic 159 27 $14,371
Olanzapine Generic 143 18 $4,880
Sertraline Hcl Generic 140 17 $1,160
Escitalopram Oxalate Generic 106 18 $3,555
Clonazepam Generic 105 24 $1,117
Alprazolam Generic 103 16 $887

Frequently asked questions

Auto-generated from federal data
What is Dr. Philip Muller's medical specialty?
Dr. Philip Muller practices Psychiatry Physician in Sioux City, IA.
Where does Dr. Philip Muller practice?
Dr. Philip Muller practices at 600 4Th St, Sioux City, IA 511011750. Office phone: 7122340220.
What is Dr. Philip Muller's NPI?
Dr. Philip Muller's National Provider Identifier (NPI) is 1891756128, issued by NPPES.
Does Dr. Philip Muller accept Medicare assignment?
Yes. Dr. Philip Muller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Philip Muller commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.