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

Mr. Mark M Lessner, MD

Individual provider Family Medicine Physician · NPI 1497857999

Mr. Mark M Lessner, MD is a Pediatric Medicine in Parker, Arizona. Graduated from University of Arizona College of Medicine in 1975, 51 years ago. Practices with San Luis Walk-In Clinic Inc, a 51-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
51
Trained at
University of Arizona College of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

601 W Riverside Dr Ste 2
Parker, AZ 85344-5119
Phone: (928) 256-4110
Fax: (928) 722-6113
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 601 W Riverside Dr Ste 4, Parker, AZ 85344-5119 — (928) 256-4110
  • 968-R Woodside Rd, Redwood City, CA 94061 — (408) 356-1002

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 33868 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence G33868 (CA)

Record details

NPI number1497857999
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 4, 2006
Last updated in NPPESMay 19, 2021
Certification dateMay 19, 2021
Mailing address1079 Eucalyptus St, Suite#A, Manteca, CA 95337

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF ARIZONA COLLEGE OF MEDICINE
Graduated 1975 (51 years in practice)
Group practice San Luis Walk-In Clinic Inc — 51 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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