Dr. Seung Rog An, MD
- Medicare services, 2024
- 136
- Medicare patients, 2024
- 22
- Part D claims, 2024
- 2,662
- Industry payments
- $5,334
- Affiliated sites
- 1
- Practice address
- 2655 W Olympic Blvd, Los Angeles, CA 90006
- Practice phone
- Call (213) 388-7887
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Woori Medical Center Corp
Los Angeles, California
Find Dr. An'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. Seung Rog An is a family medicine physician in Los Angeles, California
Dr. An practices at Woori Medical Center Corp in Los Angeles, California.
Dr. An's NPI, 1942249792, was assigned on June 6, 2006. Dr. An graduated from Hanyang University College of Medicine in 1978. Dr. An's California license number on file is A42566.
- NPI
- 1942249792NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042274029
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (213) 388-7887
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Seung Rog An practices at Woori Medical Center Corp in Los Angeles, California
Dr. An's primary practice is Woori Medical Center Corp, at 2655 W Olympic Blvd, Los Angeles, CA 90006 in Los Angeles County. The practice phone is (213) 388-7887.
- Woori Medical Center Corp2655 W Olympic Blvd, Los Angeles, CA 90006 · Los Angeles CountyPhone(213) 388-7887
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Seung Rog An is affiliated with 2 sites of care and 1 medical group
Dr. An's primary practice is Woori Medical Center Corp in Los Angeles, California. The medical group on file is Woori Medical Center. Dmand AI also links Dr. An to 1 more group practice or clinic, 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. Seung Rog An's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. An practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Woori Medical Center Corp | 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. Seung Rog An is one of 15,680 family medicine physicians in California
Family medicine is Dr. An's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. An has a license on file in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute skin infection, anxiety, bursitis, chronic diabetes, chronic hypertension, chronic indigestion, contact dermatitis and diabetic emergency among the conditions Dr. An treats.
Family medicine physicians near Dr. An
Counts of family medicine 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. Seung Rog An billed Medicare for 136 services in 2024
CMS data shows 136 Medicare services from Dr. An across 2 procedure codes in 2024, for 22 Medicare patients. Medicare paid $8,245 for them. Every service was in an office.
Dr. An's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1312024: 10619%
- Surgery
- 2023: 332024: 309%
- Lab and pathology
- 2023: 452024: 0100%
- Tests and treatments
- 2023: 112024: 0100%
- Other services
- 2023: 262024: 0100%
Dr. An compared with the California median for family medicine physicians, 2024
- Dr. An
- California median
- Medicare services
- 136vs 24645% below
- Medicare patients
- 22vs 11881% below
- Part D claims
- 2,184vs 8332.6 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. An'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.
Need commercial claims for Dr. An?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. An and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Seung Rog An treated 22 Medicare patients in 2024, average age 79
CMS counts 22 Medicare patients who saw Dr. An in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 1.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. An's median patient age at 72, with 40% women.
Dr. An's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. An's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Diabetes59%
- Arthritis55%
Share of Medicare patients with each condition. A patient can have several.
Dr. An's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Seung Rog An wrote 2,662 Medicare Part D claims in 2024
In 2024, Dr. An wrote 2,662 Medicare Part D claims for 221 patients. 82% of them were for generic drugs. CMS names the drug for 2,184 of them, across 60 drugs with 11 or more claims each, at $221,096 in total drug cost. In 2023, CMS named 2,193 claims across 62 drugs.
Dr. An's Part D claims by kind of drug, 2024
- Generic2,196 claims82%
- Brand-name395 claims15%
- Other71 claims3%
Dr. An'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. An's Part D claims, 2024
- Opioids1%24 of 2,662 claims
- Antibiotics6%150 of 2,662 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: 2,1932024: 2,184No change
Drugs named by CMS: 60 in 2024, 62 in 2023.
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
How Dr. Seung Rog An takes part in Medicare
Dr. An 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)
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Dr. Seung Rog An received $5,334 in industry payments from 2016 to 2025
CMS Open Payments shows 257 general payments to Dr. An from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amarin Pharma Inc. paid the most, $1,209.
General payments to Dr. An by program year, 2016 to 2025
Companies that paid Dr. An 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. Seung Rog An graduated from Hanyang University College of Medicine
Dr. An graduated from Hanyang University College of Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Seung Rog An accepts plans from 14 insurance carriers
Dr. An is in network with 14 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Humana
- HCSC
- Molina
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. An accepts, by number of carriers
- HMO8
- PPO8
- Medicare5
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Seung Rog An'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) |
| 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. Seung Rog An
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. Seung Rog An's NPI number?
Dr. Seung Rog An's NPI number is 1942249792. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Seung Rog An?
Dr. Seung Rog An is a family medicine physician in Los Angeles, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Seung Rog An practice?
Dr. An practices at 2655 W Olympic Blvd, Los Angeles, CA 90006. Dr. An's primary practice is Woori Medical Center Corp in Los Angeles, California. Dmand AI also links Dr. An to 1 group practice or clinic.
What is Dr. Seung Rog An's office phone number?
The practice phone on file for Dr. An is (213) 388-7887.
What is Dr. Seung Rog An's medical license number?
Dr. An's California license number on file is A42566.
What medical group is Dr. Seung Rog An part of?
Dr. An is linked to Woori Medical Center.
Does Dr. Seung Rog An accept Medicare?
Yes. CMS data shows Dr. An billed Medicare for 136 services in 2024, and Dr. An accepts Medicare assignment.
How many Medicare patients does Dr. Seung Rog An see?
CMS counts 22 Medicare patients who saw Dr. An in 2024, with an average age of 79.
What services does Dr. Seung Rog An bill to Medicare?
In 2024, Dr. An's most billed Medicare services were office visit, established patient (99213) and surgery: heart and blood vessels (36415).
Where did Dr. Seung Rog An go to medical school?
Dr. An graduated from Hanyang University College of Medicine in 1978.
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What drugs does Dr. Seung Rog An prescribe most?
In 2024 Medicare Part D data, Dr. An's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Seung Rog An received payments from drug or device companies?
CMS Open Payments shows $5,334 in general payments to Dr. An from 25 companies from 2016 to 2025. The largest total came from Amarin Pharma Inc.
How long has Dr. Seung Rog An been practicing?
Dr. An graduated from medical school in 1978, 48 years ago.
What insurance does Dr. Seung Rog An accept?
Dr. An is in network with 14 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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