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

Dr. Muhammad Zain, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1689107252

Dr. Muhammad Zain, MD is an Internal Medicine in Riverside, California. Qualified in 2014, 12 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment.

Years since qualifying
12
In the registry since
2017
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4445 Magnolia Ave Riverside Community Hospital Gme Ofc
Riverside, CA 92501-4135
Phone: (951) 788-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1689107252
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 10, 2017
Last updated in NPPESDecember 17, 2021
Mailing address4445 Magnolia Ave, Riverside Community Hospital, Gme Office, Riverside, CA 92501-4135

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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