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

Mohammad Zalzaleh, DO

Individual provider Orthopaedic Hand Surgery Physician · NPI 1235792276

Mohammad Zalzaleh, DO is a Hand Surgery in Fountain Valley, California. Qualified in 2019, 7 years ago. Practices with Orthowest, a 47-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California and Wisconsin.

Years since qualifying
7
Licensed in
CA, WI
In the registry since
2019
Specialties on file
3
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

8700 Warner Ave Ste 140
Fountain Valley, CA 92708-3209
Phone: (714) 850-7300
Show map & directions

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

Additional practice locations (2)

  • 11234 Anderson Street, Loma Linda, CA 92354-2804 — (909) 558-6444
  • 8701 Watertown Plank Rd, Milwaukee, WI 53226-3548 — (414) 777-7700

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 20A20355 (CA)
Orthopaedic Hand Surgery Physician Taxonomy 207XS0106X · Licence 81378-21 (WI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1235792276
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 16, 2019
Last updated in NPPESMay 15, 2025
Certification dateMay 15, 2025
Mailing address8700 Warner Ave Ste 140, Fountain Valley, CA 92708-3209

Medicare enrollment

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

Medicare specialtyHAND SURGERY
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Orthowest — 47 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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