Dr. Joseph Eubee Ahn, MD
- Part D claims, 2026
- 33
- Hospital affiliations
- 1
- Industry payments
- $7,058
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Practice phone
- Call (626) 851-1011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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. Joseph Eubee Ahn is a general surgeon in Baldwin Park, California
Dr. Ahn practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.
Dr. Ahn's NPI, 1275892762, was assigned on May 3, 2012. Dr. Ahn graduated from Loma Linda University School Of Medicine in 2008. Dr. Ahn's California license number on file is A112600.
- NPI
- 1275892762NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820312986
- NPI enumeration date
- May 3, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 851-1011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Eubee Ahn practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California
Dr. Ahn's primary practice is Kaiser Permanente Baldwin Park Medical Center, at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706 in Los Angeles County. The practice phone is (626) 851-1011.
- Kaiser Permanente Baldwin Park Medical Center1011 Baldwin Park Blvd, Baldwin Park, CA 91706 · Los Angeles CountyPhone(626) 851-1011
Source: Dmand AI Affiliation Data
Dr. Joseph Eubee Ahn is affiliated with 2 sites of care and 1 medical group
Dr. Ahn's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Ahn to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Eubee 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 |
|---|---|
| Kaiser Permanente Baldwin Park Medical Center | 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. Joseph Eubee Ahn is one of 2,926 general surgeons in California
Surgery is Dr. Ahn's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ahn is board certified in surgery by the American Board of Surgery. Dr. Ahn has a license on file in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists appendectomy and mastectomy among the conditions Dr. Ahn treats.
General surgeons near Dr. Ahn
Counts of general 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. Joseph Eubee Ahn's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Ahn's median patient age at 57, with 58% 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 57
Patient panel by sex, all payers
- Women58%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Joseph Eubee Ahn wrote 33 Medicare Part D claims in 2026
In 2026, Dr. Ahn wrote 33 Medicare Part D claims for 15 patients. 100% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $86 in total drug cost. In 2017, CMS named 16 claims across 1 drug.
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, 2026
- Opioids42%14 of 33 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, 2017 to 2024
- 2017
- 2024
- Claims for drugs CMS names
- 2017: 162024: 1319%
Drugs named by CMS: 1 in 2024, 1 in 2017.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
How Dr. Joseph Eubee Ahn takes part in Medicare
Dr. Ahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Joseph Eubee Ahn received $7,058 in industry payments from 2017 to 2024
CMS Open Payments shows 23 general payments to Dr. Ahn from 9 drug and device companies from 2017 to 2024. Education make up the largest share, 71% of the total. Intuitive Surgical, Inc. paid the most, $5,318.
General payments to Dr. Ahn by program year, 2017 to 2024
General payments to Dr. Ahn by kind, 2017 to 2024
- Education$5,00071%
- Food and beverage$1,26118%
- Travel and lodging$79611%
Companies that paid Dr. Ahn the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Eubee Ahn graduated from Loma Linda University School Of Medicine
Dr. Ahn graduated from Loma Linda University School Of Medicine in 2008.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Joseph Eubee Ahn accepts plans from 1 insurance carrier
Dr. Ahn is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Ahn accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Joseph Eubee 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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. Joseph Eubee 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. Joseph Eubee Ahn's NPI number?
Dr. Joseph Eubee Ahn's NPI number is 1275892762. It was assigned on May 3, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Eubee Ahn?
Dr. Joseph Eubee Ahn is a general surgeon in Baldwin Park, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Joseph Eubee Ahn practice?
Dr. Ahn practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. Dr. Ahn's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente. Dmand AI also links Dr. Ahn to 1 group practice or clinic, and a free account names each one.
What is Dr. Joseph Eubee Ahn's office phone number?
The practice phone on file for Dr. Ahn is (626) 851-1011. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Joseph Eubee Ahn's email address?
Dmand AI checks professional and personal email addresses for Dr. Ahn through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Joseph Eubee Ahn's medical license number?
Dr. Ahn's California license number on file is A112600.
Which hospitals is Dr. Joseph Eubee Ahn affiliated with?
Dr. Ahn practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California.
What medical group is Dr. Joseph Eubee Ahn part of?
Dr. Ahn is linked to Southern California Permanente Medical Group.
Who does Dr. Joseph Eubee Ahn practice with?
Dmand AI links 17,030 HCPs to Dr. Ahn's primary medical group, 280 of them general surgeons. A free account lists them, with verified contacts.
Does Dr. Joseph Eubee Ahn accept Medicare?
Yes. CMS lists Dr. Ahn as accepting Medicare assignment.
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Is Dr. Joseph Eubee Ahn board certified?
Yes. Dr. Ahn is board certified in surgery by the American Board of Surgery.
Where did Dr. Joseph Eubee Ahn go to medical school?
Dr. Ahn graduated from Loma Linda University School Of Medicine in 2008.
What drugs does Dr. Joseph Eubee Ahn prescribe most?
In 2024 Medicare Part D data, Dr. Ahn's most prescribed drugs by claims were Tramadol HCl.
Has Dr. Joseph Eubee Ahn received payments from drug or device companies?
CMS Open Payments shows $7,058 in general payments to Dr. Ahn from 9 companies from 2017 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Joseph Eubee Ahn been practicing?
Dr. Ahn graduated from medical school in 2008, 18 years ago.
What EHR does Dr. Joseph Eubee Ahn's practice use?
Dmand AI tracks the EHR system at Kaiser Permanente Baldwin Park Medical Center and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
What insurance does Dr. Joseph Eubee Ahn accept?
Dr. Ahn is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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