Dr. William T. Ko
- Gender: Male
- Experience: 27 years
- Graduated from: Northeastern Ohio University College Of Medicine
- Graduation year: 1994
- Sole propriator: No
- NPI: 1841230976
Dr. William T. Ko M.D.
Dermatologist
He is located at 2224 West Northern Avenue Suite D300 in Phoenix, AZ 85021. Can help patients with the following: Actinic Keratosis, Hair Loss, Henoch-Schonlein Purpura (HSP), Intertrigo, Skin Itching, Streptococcal Infections. His National Provider Identifier (NPI) number is 1841230976. Appointment can be made via the phone number (602) 277-1449. He is affiliated with 3 practices.
Conditions treated
Dr. William T. Ko, being an dermatologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William T. Ko.
- Acne
- Actinic Keratosis
- Albinism
- Alopecia Areata (AA)
- Athlete's Foot
- Birthmarks
- Blister
- Bug Bites
- Contact Dermatitis
- Dermabrasion
- Dry Skin
- Eczema
- Erythema Nodosum
- Folliculitis
- Hair Loss
- Heat Rash
- Henoch-Schonlein Purpura (HSP)
- Hives
- Hyperhidrosis
- Impetigo
- Incision and Drainage of Abcess
- Ingrown Hair
- Intertrigo
- Jock Itch
- Keloid
- Keratosis Pilaris (KP)
- Lichen Planus
- MRSA Infection
- Melanoma
- Melasma
- Moles
- Molluscum Contagiosum
- Pityriasis Rosea
- Porphyria
- Psoriasis
- Ringworm
- Rosacea
- Scabies
- Scars
- Sebaceous Cyst
- Seborrhea
- Seborrheic Keratosis
- Shingles
- Skin Biopsy
- Skin Cancer
- Skin Itching
- Skin Tag
- Streptococcal Infections
- Stretch Marks
- Sunburn and Sun Poisoning
- Thrush
- Tinea Versicolor
- Varicose Veins
- Vitiligo
- Warts
- Wrinkles
Procedures Performed by Dr. William T. Ko
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William T. Ko as in-network for the following 2026 plans.
Health plans
Blue Cross Blue Shield of Arizona
Network data as of Jun 29, 2026, as reported by the insurer.
Show all 20 plans from Blue Cross Blue Shield of Arizona
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| AZ Blue AdvanceHealth Bronze Focus (4 Free PCP Visits) (5 plan variants) | HMO · Expanded Bronze | Focus | Accepting new patients |
| AZ Blue AdvanceHealth Bronze Neighborhood (4 Free PCP Visits) (7 plan variants) | HMO · Expanded Bronze | Neighborhood | Accepting new patients |
| AZ Blue AdvanceHealth Gold Focus (4 Free PCP Visits) (5 plan variants) | HMO · Gold | Focus | Accepting new patients |
| AZ Blue AdvanceHealth Gold Neighborhood (4 Free PCP Visits) (7 plan variants) | HMO · Gold | Neighborhood | Accepting new patients |
| AZ Blue AdvanceHealth Silver Focus (4 Free PCP Visits) (5 plan variants) | HMO · Silver | Focus | Accepting new patients |
| AZ Blue AdvanceHealth Silver Neighborhood (4 Free PCP Visits) (7 plan variants) | HMO · Silver | Neighborhood | Accepting new patients |
| AZ Blue EverydayHealth Gold Focus (1 Free PCP Visit) (3 plan variants) | HMO · Gold | Focus | Accepting new patients |
| AZ Blue EverydayHealth Gold Neighborhood (1 Free PCP Visit) (7 plan variants) | HMO · Gold | Neighborhood | Accepting new patients |
| AZ Blue EverydayHealth Prosano Gold ($0 Prosano Health Visits) (2 plan variants) | HMO · Gold | Focus Prosano | Accepting new patients |
| AZ Blue EverydayHealth Prosano Silver ($0 Prosano Health Visits) (2 plan variants) | HMO · Silver | Focus Prosano | Accepting new patients |
| AZ Blue EverydayHealth Silver Focus (1 Free PCP Visit) (3 plan variants) | HMO · Silver | Focus | Accepting new patients |
| AZ Blue EverydayHealth Silver Neighborhood (1 Free PCP Visit) (7 plan variants) | HMO · Silver | Neighborhood | Accepting new patients |
| AZ Blue Portfolio Bronze HSA Focus (5 plan variants) | HMO · Expanded Bronze | Focus | Accepting new patients |
| AZ Blue Portfolio Bronze HSA Neighborhood (7 plan variants) | HMO · Expanded Bronze | Neighborhood | Accepting new patients |
| AZ Blue StandardHealth Bronze Focus (5 plan variants) | HMO · Expanded Bronze | Focus | Accepting new patients |
| AZ Blue StandardHealth Bronze Neighborhood (7 plan variants) | HMO · Expanded Bronze | Neighborhood | Accepting new patients |
| AZ Blue StandardHealth Gold Focus (5 plan variants) | HMO · Gold | Focus | Accepting new patients |
| AZ Blue StandardHealth Gold Neighborhood (7 plan variants) | HMO · Gold | Neighborhood | Accepting new patients |
| AZ Blue StandardHealth Silver Focus (5 plan variants) | HMO · Silver | Focus | Accepting new patients |
| AZ Blue StandardHealth Silver Neighborhood (7 plan variants) | HMO · Silver | Neighborhood | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. William T. Ko is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. William T. Ko is enrolled to bill Medicare as a Practitioner - Dermatology .
Bills through: Arizona Skin And Laser Therapy Institute Ltd
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Celgene | $75748 |
| Regeneron | $27937 |
| Genzyme | $3108 |
Other
| Promotional Speaking or Service | $94702 |
| Food and Beverage | $16018 |
| Travel and Lodging | $3955 |
| Consulting | $1255 |
| Other | $34 |
Studies
NORTHEASTERN OHIO UNIVERSITY COLLEGE OF MEDICINE
Graduated in 1994Additional Specialities
- Procedural Dermatologist
Affiliated practices
Looking for more Dermatologists?
There are 6 other dermatologists in this region.
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- Gender: Male
- Address: Suite D300 2224 West Northern Avenue Phoenix, 85021, AZ
- Gender: Male
- Address: 7301 East 2nd Street Suite 310 Scottsdale, 85251, AZ
- Gender: Male
- Address: Suite D300 2224 West Northern Avenue Phoenix, 85021, AZ
- Gender: Male
- Address: Suite D300 2224 West Northern Avenue Phoenix, 85021, AZ
Questions & Answers
What conditions does Dr. William T. Ko treat?
Dr. William T. Ko provides treatment for Actinic Keratosis, Hair Loss, Henoch-Schonlein Purpura (HSP), Intertrigo, Skin Itching, Streptococcal Infections. For the full list see this list.
Where can you meet with Dr. William T. Ko?
Dr. William T. Ko's office is located at 2224 West Northern Avenue Suite D300 in Phoenix, AZ 85021.
Does Dr. William T. Ko have affiliation with practices?
Dr. William T. Ko is affiliated with Arizona Skin & Laser Therapy Institute LTD. For the full list of practices see this list.
Does Dr. William T. Ko accept patients with Blue Cross Blue Shield of Arizona?
Yes, Dr. William T. Ko is listed in-network for Blue Cross Blue Shield of Arizona through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.