Doctor profile · Federal record

Dr. Janet Tsang, MD

Psychiatry Physician (CMS: Psychiatry) · San Francisco, CA

  • NPI 1871753699
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1990 41St Ave
San Francisco, CA 941161101
(650) 703-5254
fax (888) 977-2151
Mailing address
Po Box 225
San Mateo, CA 944010225

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
November 18, 2020
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A109116

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871753699. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
162
Distinct HCPCS
3
Medicare allowed
$16,886
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 69 23 $75
99443 Telephone medical discussion with physician, 21-30 minutes 62 21 $145
99442 Telephone medical discussion with physician, 11-20 minutes 31 15 $89

In context: peer comparison

Among 70 peers in this city , average services per provider: 95. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
665
Patients
0
Total drug cost
$21,268
Drug Type Claims Patients Total cost
Benztropine Mesylate Generic 77 0 $1,374
Risperidone Generic 74 0 $1,022
Lorazepam Generic 68 0 $934
Quetiapine Fumarate Generic 59 0 $1,607
Aripiprazole Generic 53 0 $3,819
Escitalopram Oxalate Generic 41 0 $2,811
Gabapentin Generic 39 0 $495
Clonazepam Generic 36 0 $271
Lamotrigine Generic 35 0 $458
Divalproex Sodium Er (Divalproex Sodium) Brand 34 0 $3,953

Frequently asked questions

Auto-generated from federal data
What is Dr. Janet Tsang's medical specialty?
Dr. Janet Tsang practices Psychiatry Physician in San Francisco, CA.
Where does Dr. Janet Tsang practice?
Dr. Janet Tsang practices at 1990 41St Ave, San Francisco, CA 941161101. Office phone: 6507035254.
What is Dr. Janet Tsang's NPI?
Dr. Janet Tsang's National Provider Identifier (NPI) is 1871753699, issued by NPPES.
Does Dr. Janet Tsang accept Medicare assignment?
Yes. Dr. Janet Tsang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Janet Tsang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99443); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.