Are you Dr. Ko? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWei-Che Ko, MD is a healthcare provider in Worcester, MA specializing in dermatology. Wei-Che trained at University of Massachusetts Medical School, graduating in 2017. According to Medicare claims data, Wei-Che cared for 45 Medicare patients across 1,840 services. The services billed most often include test for allergy using skin patch and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1821523606.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
281 LINCOLN ST
Worcester, MA 01605
50 Staniford St
Boston, MA 02114
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Autoimmune and connective tissue
Cancer care
Pediatric and genetic
Rashes & allergy
Wounds & skin
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Infections
Skin growths
Bladder & bowel
Cosmetic & plastics
Cosmetic dermatology
Diagnostic procedures
Lesion treatment
Medical dermatology treatment
Skin and Scars
Skin cancer surgery
Skin growths
Wound Care
Most searched procedures
Cosmetic
Cosmetic and minor surgery
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
1,840 services · 45 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using skin patch | Treatment | 95044 |
1,796 | More often than most peers in Dermatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
44 | Less often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Ko is a dermatologist (skin doctor) in Worcester, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Dr. Ko is listed at 281 Lincoln St, Worcester, MA 01605. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (508) 334-5979. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Ko's National Provider Identifier is 1821523606. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Ko attended University of Massachusetts Medical School, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ko has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ko provides treatments such as test for allergy using skin patch, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ko. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.