Doctor profile · Federal record

Dr. Alfredo Chan, MD

Geriatric Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Addiction Psychiatry Physician · Hanover, MA

  • NPI 1891746814
  • Accepts Medicare
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
105 Webster Street, Webster Place Unit 6
Hanover, MA 023391227
(781) 878-8200
fax (781) 878-5538

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
September 11, 2025
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
2084P0805X — NUCC code
State license (1)
Massachusetts #70653
Medicaid
MA #3059472

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891746814. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
76
Distinct HCPCS
1
Medicare allowed
$10,148
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 76 15 $134

In context: peer comparison

Among 1 peers in this city , average services per provider: 76. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
532
Patients
11
Total drug cost
$14,897
Drug Type Claims Patients Total cost
Sertraline Hcl Generic 75 11 $530
Quetiapine Fumarate Generic 74 0 $2,269
Mirtazapine Generic 47 0 $1,479
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 45 0 $1,365
Gabapentin Generic 40 0 $707
Prazosin Hcl Generic 37 0 $732
Aripiprazole Generic 36 0 $3,405
Escitalopram Oxalate Generic 33 0 $313
Clonidine Hcl Generic 32 0 $256
Risperidone Generic 20 0 $276

Frequently asked questions

Auto-generated from federal data
What is Dr. Alfredo Chan's medical specialty?
Dr. Alfredo Chan practices Geriatric Psychiatry Physician in Hanover, MA.
Where does Dr. Alfredo Chan practice?
Dr. Alfredo Chan practices at 105 Webster Street, Hanover, MA 023391227. Office phone: 7818788200.
What is Dr. Alfredo Chan's NPI?
Dr. Alfredo Chan's National Provider Identifier (NPI) is 1891746814, issued by NPPES.
Does Dr. Alfredo Chan accept Medicare assignment?
Yes. Dr. Alfredo Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alfredo Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.