Doctor profile · Federal record

Dr. Adelyn Tu-Chan, D.O.

Neurology Physician (CMS: Neurology) · Student in an Organized Health Care Education/Training Program · Alameda, CA

  • NPI 1720310329
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2142 Pacific Ave
Alameda, CA 945011427
(510) 517-1789

Credentials & registration

NPPES · NUCC
NPI registered
February 2010 — 16 yrs on file
Profile last updated
October 8, 2018
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
California #1720310329

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720310329. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
456
Distinct HCPCS
8
Medicare allowed
$37,328
HCPCS Description Services Patients Avg allowed
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 175 48 $35
99215 Established patient office or other outpatient visit, 40-54 minutes 90 53 $160
95874 Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle 45 23 $22
64643 Injection of chemical for paralysis of nerve muscles on arm or leg, 1-4 muscles, each additional extremity 38 17 $77
99205 New patient office or other outpatient visit, 60-74 minutes 29 29 $204
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 29 18 $35
64642 Injection of chemical for paralysis of nerve muscles on arm or leg, 1-4 muscles, first extremity 26 14 $107
64644 Injection of chemical for paralysis of nerve muscles on arm or leg, 5 or more muscles, first extremity 24 12 $129

In context: peer comparison

Among 4 peers in Alameda Neurology Physician, average services per provider: 80. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$90
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merz Pharmaceuticals, LLC 1 $90.00

By nature of payment

Food and Beverage
$90

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
55
Patients
0
Total drug cost
$1,533
Drug Type Claims Patients Total cost
Baclofen Generic 43 0 $1,126
Gabapentin Generic 12 0 $407

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Adelyn Tu-Chan's medical specialty?
Dr. Adelyn Tu-Chan practices Neurology Physician in Alameda, CA.
Where does Dr. Adelyn Tu-Chan practice?
Dr. Adelyn Tu-Chan practices at 2142 Pacific Ave, Alameda, CA 945011427. Office phone: 5105171789.
What is Dr. Adelyn Tu-Chan's NPI?
Dr. Adelyn Tu-Chan's National Provider Identifier (NPI) is 1720310329, issued by NPPES.
Does Dr. Adelyn Tu-Chan accept Medicare assignment?
Yes. Dr. Adelyn Tu-Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adelyn Tu-Chan commonly perform?
Top Medicare-reported procedures in 2023: Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99215); Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle (HCPCS 95874). Source: CMS Medicare Physician & Other Practitioners file.