Dr. Andrew H. Ahn, MD
- Part D claims, 2024
- 30
- Industry payments
- $300
- Affiliated sites
- 2
- Insurance carriers
- 4
- State licenses
- 3
- Practice address
- 1900 Royalty Dr, Pomona, CA 91767
- Practice phone
- Call (909) 620-0389
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
K D Ahn MD
Physician office · Pomona, 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. Andrew H. Ahn is a vascular surgeon in Santa Fe Springs, California
Dr. Ahn practices at K D Ahn MD in Pomona, California.
Dr. Ahn's NPI, 1356363543, was assigned on July 24, 2006. Dr. Ahn graduated from Yonsei University College of Medicine in 1974. Dr. Ahn's California license number on file is A37061.
- NPI
- 1356363543NPI Registry (opens in a new tab)
- NPI enumeration date
- July 24, 2006
- NPI status
- Active
- Practice phone
- (909) 620-0389
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Andrew H. Ahn practices in Pomona and Santa Fe Springs
Dr. Ahn's primary practice is K D Ahn MD, at 1900 Royalty Dr, Pomona, CA 91767. The practice phone is (909) 620-0389. The NPI Registry lists Dr. Ahn's practice address as 11980 Telegraph Rd, Santa Fe Springs, CA 90670.
- K D Ahn MDPrimary1900 Royalty Dr, Pomona, CA 91767Phone(909) 620-0389
- NPI Registry address11980 Telegraph Rd, Santa Fe Springs, CA 90670 · Los Angeles CountyPhone(714) 530-0303
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Andrew H. Ahn is affiliated with 2 sites of care
Dr. Ahn's primary practice is K D Ahn MD in Pomona, California. Dmand AI also links Dr. Ahn to 1 physician office, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Andrew H. Ahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| K D Ahn MD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew H. Ahn is one of 532 vascular surgeons in California
Vascular surgery is Dr. Ahn's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Dr. Ahn's licenses on file in 3 states: California, Ohio and Arizona.
Specialties and state licenses
- Vascular surgery, CaliforniaPrimary
- Ohio license
- Arizona license
Vascular surgeons near Dr. Ahn
Counts of vascular 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. Andrew H. Ahn's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Ahn's median patient age at 70, with 53% women.
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 70
Patient panel by sex, all payers
- Women53%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. Andrew H. Ahn wrote 30 Medicare Part D claims in 2024
In 2024, Dr. Ahn wrote 30 Medicare Part D claims. 97% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $9,522 in total drug cost. In 2018, CMS named 11 claims across 1 drug.
Dr. Ahn's Part D claims by kind of drug, 2024
- Generic29 claims97%
- Brand-name and other1 claims3%
Dr. Ahn's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2023
- 2018
- 2023
- Claims for drugs CMS names
- 2018: 112023: 1755%
Drugs named by CMS: 1 in 2023, 1 in 2018.
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
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Dr. Andrew H. Ahn received $300 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Ahn from 1 drug or device company in 2025. Consulting fees make up the largest share, 100% of the total. Cipla USA Inc. paid the most, $300.
Companies that paid Dr. Ahn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew H. Ahn has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ahn.
Awards and honors for Dr. Ahn
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Andrew H. Ahn graduated from Yonsei University College of Medicine
Dr. Ahn graduated from Yonsei University College of Medicine in 1974. Dr. Ahn is a member of ACS.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Andrew H. Ahn accepts plans from 4 insurance carriers
Dr. Ahn is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and Molina. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
Plan types Dr. Ahn accepts, by number of carriers
- Medicare4
- PPO3
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Andrew H. 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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Andrew H. 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. Andrew H. Ahn's NPI number?
Dr. Andrew H. Ahn's NPI number is 1356363543. It was assigned on July 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew H. Ahn?
Dr. Andrew H. Ahn is a vascular surgeon in Santa Fe Springs, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Andrew H. Ahn practice?
Dr. Ahn practices at 1900 Royalty Dr, Pomona, CA 91767. Dr. Ahn also practices at 11980 Telegraph Rd, Santa Fe Springs, CA 90670. Dr. Ahn's primary practice is K D Ahn MD in Pomona, California. Dmand AI also links Dr. Ahn to 1 physician office.
What is Dr. Andrew H. Ahn's office phone number?
The practice phone on file for Dr. Ahn is (909) 620-0389.
What is Dr. Andrew H. Ahn's medical license number?
Dr. Ahn's California license number on file is A37061, one of the licenses on file in 3 states.
Which states has Dr. Andrew H. Ahn been licensed in?
Dmand AI has state licenses on file for Dr. Ahn in California (1981 to 2024), Ohio (1982 to 1994) and Arizona (1985 to 1987).
Where did Dr. Andrew H. Ahn go to medical school?
Dr. Ahn graduated from Yonsei University College of Medicine in 1974.
What drugs does Dr. Andrew H. Ahn prescribe most?
In 2023 Medicare Part D data, Dr. Ahn's most prescribed drugs by claims were Vascepa.
Has Dr. Andrew H. Ahn received payments from drug or device companies?
CMS Open Payments shows $300 in general payments to Dr. Ahn from 1 company from 2025 to 2025. The largest total came from Cipla USA Inc.
How long has Dr. Andrew H. Ahn been practicing?
Dr. Ahn graduated from medical school in 1974, 52 years ago.
What insurance does Dr. Andrew H. Ahn accept?
Dr. Ahn is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and Molina. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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