Doctor profile · Federal record

Dr. James Knauer, PAC

Physician Assistant · Clinton Township, MI

  • NPI 1861445488
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15855 Nineteen Mile RD
Clinton Township, MI 48038
(586) 263-2601
Mailing address
38935 Ann Arbor RD
Livonia, MI 48150

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 16, 2012
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Michigan #5601003879

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861445488. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
545
Distinct HCPCS
5
Medicare allowed
$49,848
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 452 88 $86
99285 Emergency department visit with high level of medical decision making 27 27 $156
99284 Emergency department visit with moderate level of medical decision making 24 24 $106
90792 Psychiatric diagnostic evaluation with medical services 22 22 $146
99213 Established patient office or other outpatient visit, 20-29 minutes 20 12 $58

In context: peer comparison

Among 16 peers in Clinton Township Physician Assistant, average services per provider: 60. This provider delivers 9.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,257
Transactions
156
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 28 $522.09
Abbvie INC. 32 $469.77
Lundbeck LLC 32 $464.14
Vanda Pharmaceuticals INC. 11 $448.70
Janssen Pharmaceuticals, INC 14 $352.69
Otsuka America Pharmaceutical, INC. 9 $324.11
Ironshore Pharmaceuticals INC. 6 $120.25
Supernus Pharmaceuticals, INC. 5 $106.74
Corium, LLC 4 $87.44
Teva Pharmaceuticals USA, INC. 3 $69.66
Alkermes, INC. 2 $57.55
Axsome Therapeutics, INC. 3 $57.40
Idorsia Pharmaceuticals US INC 3 $50.45
Neurocrine Biosciences, INC. 2 $40.71
Takeda Pharmaceuticals U.S.A., INC. 2 $30.07

By nature of payment

Food and Beverage
$3,245
Education
$12

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,442
Patients
244
Total drug cost
$144,959
Drug Type Claims Patients Total cost
Alprazolam Generic 171 27 $1,658
Quetiapine Fumarate Generic 156 24 $5,188
Trazodone Hcl Generic 155 28 $1,727
Clonazepam Generic 146 20 $2,050
Sertraline Hcl Generic 126 18 $1,214
Risperidone Generic 103 17 $790
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 92 13 $4,273
Vraylar (Cariprazine Hcl) Brand 76 16 $114,876
Buspirone Hcl Generic 74 21 $1,376
Quetiapine Fumarate ER (Quetiapine Fumarate) Brand 63 0 $4,397

Frequently asked questions

Auto-generated from federal data
What is Dr. James Knauer's medical specialty?
Dr. James Knauer practices Physician Assistant in Clinton Township, MI.
Where does Dr. James Knauer practice?
Dr. James Knauer practices at 15855 Nineteen Mile RD, Clinton Township, MI 48038. Office phone: 5862632601.
What is Dr. James Knauer's NPI?
Dr. James Knauer's National Provider Identifier (NPI) is 1861445488, issued by NPPES.
Does Dr. James Knauer accept Medicare assignment?
Yes. Dr. James Knauer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Knauer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.