Doctor profile · Federal record

Dr. Wei-Che Ko, MD

Dermatology Physician (CMS: Dermatology) · Worcester, MA

  • NPI 1821523606
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
281 Lincoln St
Worcester, MA 016052138
(508) 334-5979
fax (508) 334-5232
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
August 5, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
Massachusetts #287348

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821523606. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,399
Distinct HCPCS
2
Medicare allowed
$11,380
HCPCS Description Services Patients Avg allowed
95044 Test for allergy using skin patch 1,366 16 $5
99214 Established patient office or other outpatient visit, 30-39 minutes 33 20 $129

In context: peer comparison

Among 11 peers in Worcester Dermatology Physician, average services per provider: 167. This provider delivers 8.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$131
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Genzyme Corporation 1 $130.73

By nature of payment

Food and Beverage
$131

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wei-Che Ko's medical specialty?
Dr. Wei-Che Ko practices Dermatology Physician in Worcester, MA.
Where does Dr. Wei-Che Ko practice?
Dr. Wei-Che Ko practices at 281 Lincoln St, Worcester, MA 016052138. Office phone: 5083345979.
What is Dr. Wei-Che Ko's NPI?
Dr. Wei-Che Ko's National Provider Identifier (NPI) is 1821523606, issued by NPPES.
Does Dr. Wei-Che Ko accept Medicare assignment?
Yes. Dr. Wei-Che Ko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wei-Che Ko commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using skin patch (HCPCS 95044); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.