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

Dr. Mary M Koumas, DO

Individual provider Family Medicine Physician · NPI 1306838909

Dr. Mary M Koumas, DO is a Family Practice in Lake Forest, California. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1978, 48 years ago. Practices with Lake Forest Medical Group, Inc, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
48
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
CA
In the registry since
2005
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

24401 Muirlands Blvd Ste #A
Lake Forest, CA 92630-3948
Phone: (949) 770-1950
Fax: (949) 770-8599
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20A4402 (CA)

Record details

NPI number1306838909
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 19, 2005
Last updated in NPPESDecember 9, 2008
Mailing address24401 Muirlands Blvd, Suite #A, Lake Forest, CA 92630-3948

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesOSTEOPATHIC MANIPULATIVE MEDICINE
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1978 (48 years in practice)
Group practice Lake Forest Medical Group, Inc. — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Lake Forest