Doctor profile · Federal record

Dr. John Lamberton, MD

Psychiatry Physician (CMS: Psychiatry) · Milwaukee, WI

  • NPI 1871544627
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1155 North Mayfair Road, Behavioral Health Clinic @ Tosa
Milwaukee, WI 53226
(414) 805-3666
Mailing address
1155 N Mayfair RD, Behavioral Health Clinic @ Tosa
Milwaukee, WI 532263421

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Wisconsin #40176
Medicaid
WI #32511400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871544627. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
2
Medicare allowed
$19,551
HCPCS Description Services Patients Avg allowed
90833 Psychotherapy with evaluation and management visit, 30 minutes 126 25 $65
99214 Established patient office or other outpatient visit, 30-39 minutes 97 18 $118

In context: peer comparison

Among 39 peers in Milwaukee Psychiatry Physician, average services per provider: 68. This provider delivers 3.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
494
Patients
47
Total drug cost
$9,885
Drug Type Claims Patients Total cost
Fluoxetine Hcl Generic 80 16 $959
Bupropion Xl (Bupropion Hcl) Brand 60 14 $1,869
Trazodone Hcl Generic 60 17 $985
Escitalopram Oxalate Generic 47 0 $884
Lithium Carbonate Generic 31 0 $330
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 28 0 $909
Citalopram Hbr (Citalopram Hydrobromide) Brand 26 0 $131
Quetiapine Fumarate Generic 26 0 $869
Lamotrigine Generic 25 0 $503
Mirtazapine Generic 23 0 $645

Frequently asked questions

Auto-generated from federal data
What is Dr. John Lamberton's medical specialty?
Dr. John Lamberton practices Psychiatry Physician in Milwaukee, WI.
Where does Dr. John Lamberton practice?
Dr. John Lamberton practices at 1155 North Mayfair Road, Milwaukee, WI 53226. Office phone: 4148053666.
What is Dr. John Lamberton's NPI?
Dr. John Lamberton's National Provider Identifier (NPI) is 1871544627, issued by NPPES.
Does Dr. John Lamberton accept Medicare assignment?
Yes. Dr. John Lamberton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Lamberton 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). Source: CMS Medicare Physician & Other Practitioners file.