Tammy Ann Winchell , ARNP
Nurse Practitioner - Pediatrics • Mill Valley, CA
Professional Overview & Biography Verified Profile Summary
Tammy Winchell, ARNP is a registered healthcare professional specializing in Nurse Practitioner - Pediatrics in Mill Valley, CA. Practice services are available at 750 REDWOOD HWY FRONTAGE RD STE 1204 under active NPI credentials.
Practice Location & Contact Primary Location
750 Redwood Hwy Frontage Rd Ste 1204
Mill Valley, CA 949412483
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner - Pediatrics in Mill Valley, CA
Practicing in Mill Valley, CA (1598 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2025-06-06NUCC Taxonomy Code: 363LP0200X
Definition to come...
NUCC Taxonomy Code: 363LP0200X
Definition to come...
NUCC Taxonomy Code: 363LP0200X
Definition to come...
Secondary Practice Locations
1201 W La Veta Ave
Orange, CA 928684203
Phone: 7145097601
1201 W La Veta Ave
Orange, CA 928684203
Phone: 7145097601
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Family Medicine - Sports Medicine
Doctor of Medicine (M.D.)
Emergency Medicine
Doctor of Medicine (M.D.)
Nurse Practitioner - Pediatrics
Nurse Practitioner
Physician Assistant
Physician Assistant (Certified)
Nurse Practitioner - Family
Doctor of Nursing Practice, Family Nurse Practitioner (Certified)
Physician Assistant
Physician Assistant (Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 700 NE 87TH AVE STE 110, VANCOUVER, WA 986644896
Nurse Practitioner (License #NP95000700 in CA)
Registered at 750 REDWOOD HWY FRONTAGE RD STE 1204, MILL VALLEY, CA 949412483 (Tel: 4153844778)
Registered at 3400 DATA DR, RANCHO CORDOVA, CA 956707956
Nurse Practitioner (License #AP30007401 in WA)
Registered at 1960 NW 167TH PL STE 103, BEAVERTON, OR 97006 (Tel: 5036726050)
Registered at PO BOX 4399, PORTLAND, OR 972084399 (Tel: 5034133900)
Nurse Practitioner (License #201150050NP in OR)
NPI status registered as active in NPPES database
Registered at 1201 W LA VETA AVE, ORANGE, CA 928684203 (Tel: 7145097601)
Registered at 1709 LAKE ST, HUNTINGTON BEACH, CA 926483110 (Tel: 3609109105)
Recorded as TAMMY WINCHELL, A.R.N.P
Nurse Practitioner (License #NP95000700 in CA)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
700 Ne 87th Ave Ste 110
Vancouver, WA 986644896
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.