Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. William T. Ko, MD

Individual provider MOHS-Micrographic Surgery Physician · NPI 1841230976

Mr. William T. Ko, MD is a Dermatology in Phoenix, Arizona. Graduated from Northeastern Ohio University College of Medicine in 1994, 32 years ago. Practices with Center for Dermatology PLLC, a 69-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
32
Trained at
Northeastern Ohio University College of Medicine
Licensed in
AZ
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2224 W Northern Ave Ste D300
Phoenix, AZ 85021
Phone: (602) 277-1449
Fax: (602) 277-9984
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2121 W Indian School Rd, Phoenix, AZ 85015-4908 — (602) 277-1449
  • 2224 W Northern Ave Ste D300, Phoenix, AZ 85021 — (602) 277-1449

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 26333 (AZ)
MOHS-Micrographic Surgery Physician Taxonomy 207ND0101X · Licence 26333 (AZ)
Procedural Dermatology Physician Taxonomy 207NS0135X · Licence 26333 (AZ)

Record details

NPI number1841230976
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2006
Last updated in NPPESOctober 25, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolNORTHEASTERN OHIO UNIVERSITY COLLEGE OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Center For Dermatology Pllc — 69 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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