Doctor profile · Federal record

Dr. Dierich Kaiser, MD

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Psychiatry Physician · Psychiatry Physician · Harrisburg, PA

  • NPI 1205990256
  • Accepts Medicare
  • 34 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2501 N 3Rd St
Harrisburg, PA 171101904
(717) 782-6430
fax (717) 782-6431
Mailing address
Po Box 858
Hershey, PA 170330858

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
May 14, 2013
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (4)
Pennsylvania #MD445541 · Maryland #D0058359 · District of Columbia #MDD30059 · Virginia #0101055431

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205990256. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
414
Distinct HCPCS
4
Medicare allowed
$36,469
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 265 65 $105
99213 Established patient office or other outpatient visit, 20-29 minutes 72 23 $77
96372 Injection of drug or substance under skin or into muscle 65 14 $14
90792 Psychiatric diagnostic evaluation with medical services 12 11 $175

In context: peer comparison

Among 11 peers in Harrisburg Psychiatry Physician, average services per provider: 80. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,472
Patients
208
Total drug cost
$62,889
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 180 19 $4,843
Olanzapine Generic 143 14 $4,634
Mirtazapine Generic 125 24 $1,238
Oxcarbazepine Generic 107 20 $11,414
Trazodone Hcl Generic 103 15 $2,032
Aripiprazole Generic 97 17 $23,629
Sertraline Hcl Generic 96 20 $1,019
Buspirone Hcl Generic 93 12 $4,775
Clonazepam Generic 91 15 $1,495
Lorazepam Generic 87 17 $918

Frequently asked questions

Auto-generated from federal data
What is Dr. Dierich Kaiser's medical specialty?
Dr. Dierich Kaiser practices Psychiatry Physician in Harrisburg, PA.
Where does Dr. Dierich Kaiser practice?
Dr. Dierich Kaiser practices at 2501 N 3Rd St, Harrisburg, PA 171101904. Office phone: 7177826430.
What is Dr. Dierich Kaiser's NPI?
Dr. Dierich Kaiser's National Provider Identifier (NPI) is 1205990256, issued by NPPES.
Does Dr. Dierich Kaiser accept Medicare assignment?
Yes. Dr. Dierich Kaiser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dierich Kaiser commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.