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

Dr. Duke Ahn, MD

Individual provider Orthopaedic Surgery Physician · NPI 1942318373

Dr. Duke Ahn, MD is an Orthopedic Surgery in Los Alamitos, California. Graduated from Northwestern University Feinberg Medical School in 1990, 36 years ago. Practices with Prohealth Partners, a Medical Group, a 234-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
36
Trained at
Northwestern University Feinberg Medical School
Licensed in
CA
In the registry since
2006
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

3700 Katella Ave Ste C
Los Alamitos, CA 90720-6409
Phone: (562) 583-2250
Fax: (562) 583-2254
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence G84554 (CA)

Record details

NPI number1942318373
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 27, 2006
Last updated in NPPESJune 17, 2020
Certification dateJune 17, 2020
Mailing address1040 Elm Ave, Suite 100, Long Beach, CA 90813-3264

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1990 (36 years in practice)
Group practice Prohealth Partners, A Medical Group — 234 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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