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

Tammy Nadine O'Neill, PA-C

Individual provider Physician Assistant · NPI 1548454101

Tammy Nadine O'Neill, PA-C is a Physician Assistant in Bishop, California. Qualified in 2007, 19 years ago. Practices with Northern Inyo Healthcare District, a 107-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Washington.

Years since qualifying
19
Licensed in
CA, WA
In the registry since
2007
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

153 Pioneer Ln Ste B
Bishop, CA 93514-2517
Phone: (760) 873-2849
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 150 Pioneer Ln, Bishop, CA 93514-2556 — (760) 873-5811

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA23196 (CA)
Physician Assistant Taxonomy 363A00000X · Licence PA10005256 (WA)

Record details

NPI number1548454101
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedAugust 28, 2007
Last updated in NPPESJune 16, 2026
Certification dateJune 16, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Northern Inyo Healthcare District — 107 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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