Doctor profile · Federal record

Dr. Uday Mukherjee, MD

Psychiatry Physician (CMS: Psychiatry) · Geriatric Psychiatry Physician · Walnut Creek, CA

  • NPI 1659457075
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3100 Oak RD Ste 270
Walnut Creek, CA 945972078
(925) 944-9711
fax (925) 944-9709
Additional location
1501 Claus RD
Modesto, CA 953559711
(209) 558-4700

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
May 6, 2020
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A081816

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659457075. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,113
Distinct HCPCS
6
Medicare allowed
$110,153
HCPCS Description Services Patients Avg allowed
90833 Psychotherapy with evaluation and management visit, 30 minutes 481 105 $71
99214 Established patient office or other outpatient visit, 30-39 minutes 456 100 $127
90785 Psychiatric services complicated by communication factor 76 30 $16
90836 Psychotherapy with evaluation and management visit, 45 minutes 39 39 $91
99205 New patient office or other outpatient visit, 60-74 minutes 39 39 $225
99215 Established patient office or other outpatient visit, 40-54 minutes 22 14 $197

In context: peer comparison

Among 11 peers in this city , average services per provider: 196. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,718
Transactions
95
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, Inc. 3 $604.82
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 18 $466.64
Otsuka America Pharmaceutical, Inc. 12 $368.12
Teva Pharmaceuticals USA, Inc. 9 $272.34
Alkermes, Inc. 9 $198.62
ABBVIE INC. 15 $177.50
Lundbeck LLC 10 $151.38
Neurocrine Biosciences, Inc. 5 $131.58
E.R. Squibb & Sons, L.L.C. 4 $92.53
Almatica Pharma LLC 3 $92.26
IRONSHORE PHARMACEUTICALS INC. 2 $48.38
Indivior Inc. 2 $47.05
Vanda Pharmaceuticals Inc. 1 $36.88
Tris Pharma Inc 2 $29.93

By nature of payment

Food and Beverage
$2,691
Education
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,085
Patients
189
Total drug cost
$18,424
Drug Type Claims Patients Total cost
Mirtazapine Generic 139 20 $1,780
Gabapentin Generic 115 29 $999
Escitalopram Oxalate Generic 102 21 $1,135
Trazodone Hcl Generic 78 15 $492
Bupropion Xl (Bupropion Hcl) Brand 77 18 $1,999
Duloxetine Hcl Generic 76 14 $1,512
Sertraline Hcl Generic 66 13 $391
Clonazepam Generic 63 0 $231
Fluoxetine Hcl Generic 61 0 $917
Aripiprazole Generic 60 13 $3,923

Frequently asked questions

Auto-generated from federal data
What is Dr. Uday Mukherjee's medical specialty?
Dr. Uday Mukherjee practices Psychiatry Physician in Walnut Creek, CA.
Where does Dr. Uday Mukherjee practice?
Dr. Uday Mukherjee practices at 3100 Oak RD Ste 270, Walnut Creek, CA 945972078. Office phone: 9259449711.
What is Dr. Uday Mukherjee's NPI?
Dr. Uday Mukherjee's National Provider Identifier (NPI) is 1659457075, issued by NPPES.
Does Dr. Uday Mukherjee accept Medicare assignment?
Yes. Dr. Uday Mukherjee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Uday Mukherjee commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99214); Psychiatric services complicated by communication factor (HCPCS 90785). Source: CMS Medicare Physician & Other Practitioners file.