Sejung Hong

  • Everett, WA
  • Internist
NPI1255781167PAC ID1254662893
Medicare services, 2024
1,917
Medicare patients, 2024
250
Part D claims, 2024
6,613
Hospital affiliations
2
Industry payments
$1,335
Practice address
3901 Hoyt Avenue, Everett, WA 98201
Practice phone
Call (425) 317-3400
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Optum - Founders

Mammography / Breast Imaging Center · Everett, Washington

See all 15 affiliations

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Sejung Hong is an internist in Everett, Washington

Sejung Hong practices at Optum - Founders in Everett, Washington.

Sejung Hong's NPI, 1255781167, was assigned on June 21, 2016. Sejung Hong holds Washington license MD60924650.

NPI and contact details
Medicare PAC ID
1254662893
NPI enumeration date
June 21, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(425) 317-3400
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
43
Medical school graduation
2009

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Sejung Hong practices at Optum - Founders in Everett, Washington

Sejung Hong's primary practice is Optum - Founders, at 3901 Hoyt Avenue, Everett, WA 98201. The practice phone is (425) 317-3400.

  • Optum - Founders
    3901 Hoyt Avenue, Everett, WA 98201Phone(425) 317-3400

Source: Dmand AI Affiliation Data

Sejung Hong is affiliated with 11 sites of care and 4 medical groups

Sejung Hong's primary practice is Optum - Founders in Everett, Washington. Sejung Hong is also affiliated with Providence Regional Medical Center Everett. The medical group on file is Select Rehabilitation. Dmand AI also links Sejung Hong to 1 more hospital, 4 group practices and clinics, 4 home health agencies and 3 medical groups, each named with a free account. Sejung Hong's employer is on file too: a breast imaging center.

See all 15 affiliations for Sejung Hong

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Sejung Hong's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sejung Hong practices, 11 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Optum - FoundersAvailable with a free account
+10 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Sejung Hong is one of 2,689 internists in Washington

Internal medicine is Sejung Hong's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Sejung Hong's licenses on file in 2 states: Washington and Massachusetts.

Specialties and state licenses

  • Internal medicine, WashingtonPrimaryLicense MD60924650 · taxonomy 207R00000X
  • Massachusetts licenseLicense 267326

Internists near Sejung Hong

Counts of internists 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

Sejung Hong billed Medicare for 1,917 services in 2024

CMS data shows 1,917 Medicare services from Sejung Hong across 26 procedure codes in 2024, for 250 Medicare patients. Medicare paid $57,897 for them. Every service was in an office.

Medicare services, 20241,917
Medicare patients250
Paid by Medicare$57,897
Procedure codes26

Sejung Hong's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 1,8742024: 1,03645%
Office and hospital visits
2023: 5952024: 37437%
Surgery
2023: 4352024: 26140%
Other services
2023: 2592024: 23011%
Tests and treatments
2023: 1052024: 1685%
Imaging
2023: 982024: 0100%

Sejung Hong compared with the Washington median for internists, 2024

  • Sejung Hong
  • Washington median
Medicare services
1,917vs 3645.3 times
Medicare patients
250vs 16552% above
Part D claims
5,905vs 18232.4 times

Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.

Sejung Hong'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.

See all procedures by Sejung Hong

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Sejung Hong treated 250 Medicare patients in 2024, average age 77

CMS counts 250 Medicare patients who saw Sejung Hong in 2024. The largest group is 65 to 74, with 105 patients. 64% of them have high blood pressure, and 64% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Sejung Hong's median patient age at 75, with 63% women.

Medicare patients, 2024250
Average age77
Average risk score1.07
Also on Medicaid5%

Sejung Hong's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Sejung Hong's Medicare patients by sex, 2024

  • Women14458%
  • Men10642%

Chronic conditions among Sejung Hong's Medicare patients, 2024

  1. High blood pressure64%
  2. High cholesterol64%
  3. Arthritis37%
  4. Diabetes28%
  5. Chronic kidney disease24%
  6. Ischemic heart disease22%
  7. Mood disorders20%
  8. Atrial fibrillation18%

Share of Medicare patients with each condition. A patient can have several.

Sejung Hong's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women63%
  • Men36%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Sejung Hong wrote 6,613 Medicare Part D claims in 2024

In 2024, Sejung Hong wrote 6,613 Medicare Part D claims for 743 patients. 88% of them were for generic drugs. CMS names the drug for 5,905 of them, across 108 drugs with 11 or more claims each, at $510,040 in total drug cost. In 2023, CMS named 8,391 claims across 146 drugs.

Part D claims, 20246,613
Drugs named by CMS108
Total drug cost$510,040
Part D patients743

Sejung Hong's Part D claims by kind of drug, 2024

  • Generic5,806 claims88%
  • Brand-name743 claims11%
  • Other64 claims1%

Sejung Hong'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 Sejung Hong's Part D claims, 2024

  • Opioids2%147 of 6,613 claims
  • Antibiotics1%39 of 6,613 claims
  • Antipsychotics, patients 65 and over1%49 of 6,613 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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8,3912024: 5,90530%

Drugs named by CMS: 108 in 2024, 146 in 2023.

See all prescribing by Sejung Hong

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

Sejung Hong offers telehealth to Medicare patients

Sejung Hong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Sejung Hong as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal or shaving of skin growth: 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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Sejung Hong received $1,335 in industry payments from 2016 to 2025

CMS Open Payments shows 73 general payments to Sejung Hong from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $443.

General payments to Sejung Hong by program year, 2016 to 2025

Companies that paid Sejung Hong the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Sejung Hong

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Sejung Hong's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sejung Hong

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sejung Hong's NPI number?

Sejung Hong's NPI number is 1255781167. It was assigned on June 21, 2016, and it is active in the NPI Registry.

What does Sejung Hong specialize in?

Sejung Hong is an internist in Everett, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Sejung Hong practice?

Sejung Hong practices at 3901 Hoyt Avenue, Everett, WA 98201. Sejung Hong's primary practice is Optum - Founders in Everett, Washington. Dmand AI also links Sejung Hong to 1 hospital, 4 group practices and clinics, 4 home health agencies and 3 medical groups.

What is Sejung Hong's office phone number?

The practice phone on file for Sejung Hong is (425) 317-3400.

What is Sejung Hong's medical license number?

Sejung Hong holds Washington license MD60924650, one of the licenses on file in 2 states.

Which states has Sejung Hong been licensed in?

Dmand AI has state licenses on file for Sejung Hong in Washington and Massachusetts.

Which hospitals is Sejung Hong affiliated with?

Sejung Hong is affiliated with Providence Regional Medical Center Everett. Dmand AI links Sejung Hong to 1 more hospital.

What medical group is Sejung Hong part of?

Sejung Hong is linked to Select Rehabilitation. Dmand AI links Sejung Hong to 3 more medical groups.

Does Sejung Hong accept Medicare?

Yes. CMS data shows Sejung Hong billed Medicare for 1,917 services in 2024, and Sejung Hong accepts Medicare assignment.

Does Sejung Hong offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Sejung Hong as offering telehealth services.

Show 5 more questionsShow fewer questions

How many Medicare patients does Sejung Hong see?

CMS counts 250 Medicare patients who saw Sejung Hong in 2024, with an average age of 77.

What services does Sejung Hong bill to Medicare?

In 2024, Sejung Hong's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and lab and pathology test (83036).

What drugs does Sejung Hong prescribe most?

In 2024 Medicare Part D data, Sejung Hong's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.

Has Sejung Hong received payments from drug or device companies?

CMS Open Payments shows $1,335 in general payments to Sejung Hong from 11 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.

How long has Sejung Hong been practicing?

Sejung Hong graduated from medical school in 2009, 17 years ago.

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