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

John Peter Zopfi, DO

Individual provider Surgery Physician · NPI 1275581886

John Peter Zopfi, DO is a General Surgery in Fairfield, California. Qualified in 1986, 40 years ago. Practices with Northbay Physicians Surgery Center, LLC, a 337-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1860 Pennsylvania Ave #200
Fairfield, CA 94533
Phone: (707) 646-4180
Fax: (707) 646-4185
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 20A5987 (CA)

Record details

NPI number1275581886
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 5, 2006
Last updated in NPPESSeptember 10, 2015
Mailing address1860 Pennsylvania Ave, 200, Fairfield, CA 94533

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Also practisesCOLORECTAL SURGERY (PROCTOLOGY), SURGICAL ONCOLOGY, THORACIC SURGERY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Northbay Physicians Surgery Center, Llc — 337 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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