Doctor profile · Federal record

Dr. Dennis Weimer, MD

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Psychiatry Physician · Fresno, CA

  • NPI 1255467577
  • Accepts Medicare
  • 31 yrs in practice
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4441 E Kings Canyon RD
Fresno, CA 937023604
(559) 600-5755

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
May 11, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (3)
California #153464 · Arizona #25488 · Oregon #MD25776

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255467577. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16
Distinct HCPCS
1
Medicare allowed
$1,948
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 16 12 $122

In context: peer comparison

Among 20 peers in this city , average services per provider: 165. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $26.63

By nature of payment

Food and Beverage
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
334
Patients
29
Total drug cost
$163,765
Drug Type Claims Patients Total cost
Clozapine Generic 66 0 $1,650
Invega Sustenna (Paliperidone Palmitate) Brand 44 18 $110,945
Benztropine Mesylate Generic 29 11 $377
Divalproex Sodium Er (Divalproex Sodium) Brand 28 0 $3,018
Divalproex Sodium Generic 21 0 $947
Escitalopram Oxalate Generic 20 0 $535
Haloperidol Decanoate Generic 20 0 $1,133
Lamotrigine Generic 19 0 $340
Quetiapine Fumarate Generic 18 0 $898
Trazodone Hcl Generic 17 0 $244

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Weimer's medical specialty?
Dr. Dennis Weimer practices Psychiatry Physician in Fresno, CA.
Where does Dr. Dennis Weimer practice?
Dr. Dennis Weimer practices at 4441 E Kings Canyon RD, Fresno, CA 937023604. Office phone: 5596005755.
What is Dr. Dennis Weimer's NPI?
Dr. Dennis Weimer's National Provider Identifier (NPI) is 1255467577, issued by NPPES.
Does Dr. Dennis Weimer accept Medicare assignment?
Yes. Dr. Dennis Weimer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Weimer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.