Dr. Sihoun Hahn, MD, PhD
- Publications
- 46
- Clinical trials
- 2
- Hospital affiliations
- 1
- Industry payments
- $20,739
- Medical group
- 1
- Practice address
- 4800 Sand Point Way NE, PO Box C-5371, Seattle, WA 98105
- Practice phone
- Call (206) 987-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hahn's professional email, personal email and mobile number
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Dr. Sihoun Hahn is a clinical biochemical genetics physician in Seattle, Washington
Dr. Hahn practices at Seattle Children's Hospital in Seattle, Washington, part of Seattle Children's Hospital, Research Institute and Foundation.
Dr. Hahn's NPI, 1538109558, was assigned on June 7, 2006. Dr. Hahn graduated from Korea University College of Medicine in 1983. Dr. Hahn holds Washington license MD00047081.
- NPI
- 1538109558NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395637912
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (206) 987-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sihoun Hahn practices at Seattle Children's Hospital in Seattle, Washington
Dr. Hahn's primary practice is Seattle Children's Hospital, at 4800 Sand Point Way NE, PO Box C-5371, Seattle, WA 98105 in King County. The practice phone is (206) 987-2000.
- Seattle Children's Hospital4800 Sand Point Way NE, PO Box C-5371, Seattle, WA 98105 · King CountyPhone(206) 987-2000
Source: Dmand AI Affiliation Data
Dr. Sihoun Hahn is affiliated with 1 site of care and 1 medical group
Dr. Hahn's primary practice is Seattle Children's Hospital in Seattle, Washington, part of Seattle Children's Hospital, Research Institute and Foundation. The medical group on file is Children's University Medical Group (CUMG).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sihoun Hahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hahn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Seattle Children's Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Seattle Children's Hospital, Research Institute and Foundation and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sihoun Hahn is one of 6 clinical biochemical genetics physicians in Washington
Clinical biochemical genetics is Dr. Hahn's primary specialty in the NPI Registry, under taxonomy code 207SG0202X. Dr. Hahn is board certified in clinical biochemical genetics by the American Board of Medical Genetics and Genomics. Dmand AI has Dr. Hahn's licenses on file in 2 states: Washington and Minnesota.
Specialties and state licenses
- Clinical biochemical genetics, WashingtonPrimary
- Minnesota license
Clinical biochemical genetics physicians near Dr. Hahn
Counts of clinical biochemical genetics physicians 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. Sihoun Hahn's patients have a median age of 20
Across all payers, Dmand AI patient panel data puts Dr. Hahn's median patient age at 20, with 35% women.
Dr. Hahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 20
Patient panel by sex, all payers
- Women35%
- Men65%
Source: Dmand AI Patient Panel Data
How Dr. Sihoun Hahn takes part in Medicare
Dr. Hahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Sihoun Hahn has 46 publications on record
Dmand AI links 46 papers to Dr. Hahn, published from 2004 to 2025. 2015 was the busiest year, with 4. The most frequent topics are Glycogen Storage Disease Type II, Hepatolenticular Degeneration and Copper-Transporting ATPases. Dr. Hahn has published most often in Mol Genet Metab. Dr. Hahn's most frequent co-authors are Priya S. Kishnani, Irene Joan Chang, MD and David F. Kronn, MD.
Dr. Hahn's papers by year, 2015 to 2025
Topics Dr. Hahn writes about most
- Glycogen Storage Disease Type II
- Hepatolenticular Degeneration
- Copper-Transporting ATPases
- Neonatal Screening
- Enzyme Replacement Therapy
- Genetic Testing
- Genotype
- Korea
Dr. Hahn's most frequent co-authors
- Priya S. Kishnani6 shared papers
- Irene Joan Chang, MD5 shared papers
- David F. Kronn, MD5 shared papers
Recent publications by Dr. Hahn
Comput Biol Med
See who Dr. Hahn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hahn works with, so you can find a warm path to the right clinical biochemical genetics physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sihoun Hahn has worked on 2 clinical trials
Dmand AI links Dr. Hahn to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Glycogen Storage Disease Type II and Glycogen Storage Disease. Genzyme, a Sanofi Company sponsors the most, 2. Open Payments lists research payments to Dr. Hahn that name 2 trials.
Conditions in Dr. Hahn's trials
- Glycogen Storage Disease Type II
- Glycogen Storage Disease
Investigators on the most trials with Dr. Hahn
Recent clinical trials with Dr. Hahn
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Sihoun Hahn received $20,739 in industry payments from 2016 to 2022
CMS Open Payments shows 36 general payments to Dr. Hahn from 3 drug and device companies from 2016 to 2022. Consulting fees make up the largest share, 83% of the total. Alexion Pharmaceuticals, Inc. paid the most, $10,401. It also lists 15 research payments totaling $7,673 from 2019 to 2022, naming 2 clinical trials.
General payments to Dr. Hahn by program year, 2016 to 2022
General payments to Dr. Hahn by kind, 2016 to 2022
- Consulting fees$17,13183%
- Travel and lodging$2,18711%
- Food and beverage$8894%
- Speaker and faculty fees$5032%
- Education$300%
Companies that paid Dr. Hahn the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sihoun Hahn graduated from Korea University College of Medicine
Dr. Hahn graduated from Korea University College of Medicine in 1983.
- Medical school
- Board certified in clinical biochemical genetics
- Board certified in clinical genetics and genomics
Source: Dmand AI Professional Profile Data
Dr. Sihoun Hahn accepts plans from 13 insurance carriers
Dr. Hahn is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Aspirus Health Plan
- Regence Health Plans
- AK State Medicaid
- +5 more carriersWith a free account
Plan types Dr. Hahn accepts, by number of carriers
- PPO8
- HMO7
- Medicare6
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Sihoun Hahn'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Sihoun Hahn
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. Sihoun Hahn's NPI number?
Dr. Sihoun Hahn's NPI number is 1538109558. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sihoun Hahn?
Dr. Sihoun Hahn is a clinical biochemical genetics physician in Seattle, Washington. The primary specialty in the NPI Registry is Clinical Biochemical Genetics Physician (taxonomy code 207SG0202X).
Where does Dr. Sihoun Hahn practice?
Dr. Hahn practices at 4800 Sand Point Way NE, PO Box C-5371, Seattle, WA 98105. Dr. Hahn's primary practice is Seattle Children's Hospital in Seattle, Washington, part of Seattle Children's Hospital, Research Institute and Foundation.
What is Dr. Sihoun Hahn's office phone number?
The practice phone on file for Dr. Hahn is (206) 987-2000.
What is Dr. Sihoun Hahn's medical license number?
Dr. Hahn holds Washington license MD00047081, one of the licenses on file in 2 states.
Which states has Dr. Sihoun Hahn been licensed in?
Dmand AI has state licenses on file for Dr. Hahn in Washington (2006 to 2027) and Minnesota (2003 to 2007).
Which hospitals is Dr. Sihoun Hahn affiliated with?
Dr. Hahn practices at Seattle Children's Hospital in Seattle, Washington.
What medical group is Dr. Sihoun Hahn part of?
Dr. Hahn is linked to Children's University Medical Group (CUMG).
Does Dr. Sihoun Hahn accept Medicare?
Yes. CMS lists Dr. Hahn as accepting Medicare assignment.
Is Dr. Sihoun Hahn board certified?
Yes. Dr. Hahn is board certified in clinical biochemical genetics by the American Board of Medical Genetics and Genomics.
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Where did Dr. Sihoun Hahn go to medical school?
Dr. Hahn graduated from Korea University College of Medicine in 1983.
Has Dr. Sihoun Hahn received payments from drug or device companies?
CMS Open Payments shows $20,739 in general payments to Dr. Hahn from 3 companies from 2016 to 2022. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Sihoun Hahn been practicing?
Dr. Hahn graduated from medical school in 1983, 43 years ago.
Does Dr. Sihoun Hahn do research?
Dmand AI links 46 publications to Dr. Hahn, published from 2004 to 2025. Dr. Hahn has worked on 2 clinical trials.
Who does Dr. Sihoun Hahn publish with?
Dr. Hahn's most frequent co-authors are Priya S. Kishnani (6 shared papers), Irene Joan Chang, MD (5 shared papers) and David F. Kronn, MD (5 shared papers).
What insurance does Dr. Sihoun Hahn accept?
Dr. Hahn is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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