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

William W Winternitz Jr., MD

Individual provider Orthopaedic Surgery Physician · NPI 1083676639

William W Winternitz Jr., MD is an Orthopaedic Surgery Physician in Poway, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

12630 Monte Vista Rd #105
Poway, CA 92064-2526
Phone: (858) 487-6440
Fax: (858) 487-7281
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence G51348 (CA)

Record details

NPI number1083676639
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2006
Last updated in NPPESMarch 10, 2017
Mailing address12630 Monte Vista Rd, 105, Poway, CA 92064-2526

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