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

Dr. Mark D Hauptman, MD

Individual provider Internal Medicine Physician · NPI 1801873427

Dr. Mark D Hauptman, MD is an Internal Medicine in Mission Viejo, California. Graduated from University of California, Irvine, California College of Medicine in 1984, 42 years ago. Practices with Centers for Family Medicine Gp, a 93-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
42
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2005
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

26991 Crown Valley Pkwy Ste 100
Mission Viejo, CA 92691-6511
Phone: (949) 582-5430
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 26800 Crown Valley Pkwy, Mission Viejo, CA 92691-6384 — (949) 364-6000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G55356 (CA)

Record details

NPI number1801873427
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 23, 2005
Last updated in NPPESSeptember 4, 2025
Certification dateSeptember 4, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Centers For Family Medicine Gp — 93 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Mission Viejo