Dr. Duke Ahn, MD
- Medicare services, 2024
- 435
- Medicare patients, 2024
- 137
- Part D claims, 2024
- 221
- MIPS score, 2024
- 39
- Hospital affiliations
- 1
- Practice address
- 3700 Katella Ave, Los Alamitos, CA 90720
- Practice phone
- Call (562) 583-2250
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prohealth Partners a Medical Group
Los Alamitos, California
Find Dr. Ahn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Duke Ahn is an orthopedic surgeon in Los Alamitos, California
Dr. Ahn practices at Prohealth Partners a Medical Group in Los Alamitos, California.
Dr. Ahn's NPI, 1942318373, was assigned on August 27, 2006. Dr. Ahn graduated from Northwestern University Feinberg Medical School in 1990. Dr. Ahn holds California license G84554.
- NPI
- 1942318373NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698713626
- NPI enumeration date
- August 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 583-2250
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Duke Ahn practices at Prohealth Partners a Medical Group in Los Alamitos, California
Dr. Ahn's primary practice is Prohealth Partners a Medical Group, at 3700 Katella Ave, Los Alamitos, CA 90720 in Orange County. The practice phone is (562) 583-2250.
- Prohealth Partners a Medical Group3700 Katella Ave, Los Alamitos, CA 90720 · Orange CountyPhone(562) 583-2250
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Duke Ahn is affiliated with 7 sites of care and 3 medical groups
Dr. Ahn's primary practice is Prohealth Partners a Medical Group in Los Alamitos, California. Dr. Ahn is also affiliated with UCI Health - Orange. The medical group on file is ProHealth Partners. Dmand AI also links Dr. Ahn to 3 more group practices and clinics, 2 medical groups, 1 physician office and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Duke Ahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahn practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prohealth Partners a Medical Group | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Duke Ahn is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Ahn's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Ahn is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Orthopedic surgeons near Dr. Ahn
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Duke Ahn billed Medicare for 435 services in 2024
CMS data shows 435 Medicare services from Dr. Ahn across 7 procedure codes in 2024, for 137 Medicare patients. Medicare paid $34,267 for them. Every service was in an office.
Dr. Ahn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 472024: 297532%
- Drugs given in the office
- 2023: 02024: 90
- Surgery
- 2023: 02024: 48
Dr. Ahn compared with the California median for orthopedic surgeons, 2024
- Dr. Ahn
- California median
- Medicare services
- 435vs 68336% below
- Medicare patients
- 137vs 21536% below
- Part D claims
- 146vs 702.1 times
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Ahn's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Duke Ahn treated 137 Medicare patients in 2024, average age 73
CMS counts 137 Medicare patients who saw Dr. Ahn in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have arthritis, and 75% have high blood pressure. 34% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ahn's median patient age at 63, with 59% women.
Dr. Ahn's Medicare patients by age, 2024
Dr. Ahn's Medicare patients by sex, 2024
- Women9368%
- Men4432%
Chronic conditions among Dr. Ahn's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes30%
- Anxiety25%
- Chronic kidney disease23%
- Osteoporosis23%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Duke Ahn wrote 221 Medicare Part D claims in 2024
In 2024, Dr. Ahn wrote 221 Medicare Part D claims for 93 patients. 100% of them were for generic drugs. CMS names the drug for 146 of them, across 3 drugs with 11 or more claims each, at $1,287 in total drug cost. In 2020, CMS named 39 claims across 2 drugs.
Dr. Ahn's Part D claims by kind of drug, 2024
- Generic220 claims100%
- Brand-name and other1 claims0%
Dr. Ahn's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ahn's Part D claims, 2024
- Opioids67%148 of 221 claims
- Antibiotics12%27 of 221 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 392024: 146274%
Drugs named by CMS: 3 in 2024, 2 in 2020.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Duke Ahn scored 39 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 39 out of 100 for Dr. Ahn for performance year 2024, reported as part of a group. Dr. Ahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ahn's MIPS scores, performance year 2024
- 39of 100Final score
- 20.1of 100Quality
- 0of 100Promoting Interoperability
- 0of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Duke Ahn received $3,964 in industry payments from 2016 to 2025
CMS Open Payments shows 33 general payments to Dr. Ahn from 10 drug and device companies from 2016 to 2025. Education make up the largest share, 76% of the total. Micromed Inc paid the most, $2,974.
General payments to Dr. Ahn by program year, 2016 to 2025
General payments to Dr. Ahn by kind, 2016 to 2025
- Education$3,00976%
- Food and beverage$66617%
- Travel and lodging$2907%
Companies that paid Dr. Ahn the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Duke Ahn graduated from Northwestern University Feinberg Medical School
Dr. Ahn graduated from Northwestern University Feinberg Medical School in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Duke Ahn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Duke Ahn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Duke Ahn's NPI number?
Dr. Duke Ahn's NPI number is 1942318373. It was assigned on August 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Duke Ahn?
Dr. Duke Ahn is an orthopedic surgeon in Los Alamitos, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Duke Ahn practice?
Dr. Ahn practices at 3700 Katella Ave, Los Alamitos, CA 90720. Dr. Ahn's primary practice is Prohealth Partners a Medical Group in Los Alamitos, California. Dmand AI also links Dr. Ahn to 3 group practices and clinics, 2 medical groups, 1 physician office and 1 home health agency.
What is Dr. Duke Ahn's office phone number?
The practice phone on file for Dr. Ahn is (562) 583-2250.
What is Dr. Duke Ahn's medical license number?
Dr. Ahn holds California license G84554.
Which hospitals is Dr. Duke Ahn affiliated with?
Dr. Ahn is affiliated with UCI Health - Orange.
What medical group is Dr. Duke Ahn part of?
Dr. Ahn is linked to ProHealth Partners. Dmand AI links Dr. Ahn to 2 more medical groups.
Does Dr. Duke Ahn accept Medicare?
Yes. CMS data shows Dr. Ahn billed Medicare for 435 services in 2024, and Dr. Ahn accepts Medicare assignment.
What is Dr. Duke Ahn's MIPS score?
Dr. Ahn's MIPS final score for performance year 2024 is 39 out of 100, reported as part of a group.
How many Medicare patients does Dr. Duke Ahn see?
CMS counts 137 Medicare patients who saw Dr. Ahn in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Duke Ahn bill to Medicare?
In 2024, Dr. Ahn's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J0702) and office visit, established patient (99213).
Where did Dr. Duke Ahn go to medical school?
Dr. Ahn graduated from Northwestern University Feinberg Medical School in 1990.
What drugs does Dr. Duke Ahn prescribe most?
In 2024 Medicare Part D data, Dr. Ahn's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Acetaminophen-Codeine and Ibuprofen.
Has Dr. Duke Ahn received payments from drug or device companies?
CMS Open Payments shows $3,964 in general payments to Dr. Ahn from 10 companies from 2016 to 2025. The largest total came from Micromed Inc.
How long has Dr. Duke Ahn been practicing?
Dr. Ahn graduated from medical school in 1990, 36 years ago.
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