License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Russell Greif:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Russell Greif is Good. Dr. Greif has been reviewed by 3 patients who have provided 3 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 3.7
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Russell Greif, DO is board certified in Internal Medicine.

Education & Awards

Dr. Greif graduated from Western University of Health Sciences, Pomona. He has 1 awards.

Patients' Choice Award (2014)


Dr. Greif has 3 hospital affiliations:

  • Antelope Valley Hospital 
  • Providence Saint Joseph Medical Center 
  • Lancaster Community Hospital 

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Additional Information
Dr. Russell Mark Greif DO is a male Internist, has 25 years of experience and practices in Internal Medicine.
Where does Dr. Russell M. Greif practice?
Dr. Russell Greif has 1 office location.
Dr. Russell Greif practices Internal Medicine near Lancaster, CA.
See Lancaster Internists.