Dr. Edward Jaesung Ahn, MD

  • San Diego, CA
  • General practice physician
NPI1093805103PAC ID4385623164
Medicare services, 2024
126
Medicare patients, 2026
32
Part D claims, 2026
2,418
Industry payments
$638
Affiliated sites
1
Practice address
7750 Dagget St Ste 108, San Diego, CA 92111-2235
Practice phone
Call (858) 571-1004
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Harvard Medical Group Inc

Physician office · San Diego, California

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Dr. Edward Jaesung Ahn is a general practice physician in San Diego, California

Dr. Ahn practices at Harvard Medical Group Inc in San Diego, California.

Dr. Ahn's NPI, 1093805103, was assigned on October 13, 2006. Dr. Ahn holds California license A38304.

NPI and contact details
Medicare PAC ID
4385623164
NPI enumeration date
October 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(858) 571-1004
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
88
Medical school graduation
1964

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

Dr. Edward Jaesung Ahn practices at Harvard Medical Group Inc in San Diego, California

Dr. Ahn's primary practice is Harvard Medical Group Inc, at 7750 Dagget St Ste 108, San Diego, CA 92111-2235. The practice phone is (858) 571-1004.

  • Harvard Medical Group Inc
    7750 Dagget St Ste 108, San Diego, CA 92111-2235Phone(858) 571-1004

Source: Dmand AI Affiliation Data

Dr. Edward Jaesung Ahn is affiliated with 1 site of care

Dr. Ahn's primary practice is Harvard Medical Group Inc in San Diego, California.

Harvard Medical Group IncPhysician office · San Diego, CaliforniaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Edward Jaesung Ahn's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahn practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Harvard Medical Group IncAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Edward Jaesung Ahn is one of 1,526 general practice physicians in California

General practice is Dr. Ahn's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Ahn is licensed in California.

Specialties and state licenses

  • General practice, CaliforniaPrimaryLicense A38304 · taxonomy 208D00000X

General practice physicians near Dr. Ahn

Counts of general practice 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. Edward Jaesung Ahn billed Medicare for 126 services in 2024

CMS data shows 126 Medicare services from Dr. Ahn across 2 procedure codes in 2024, for 32 Medicare patients. Medicare paid $9,743 for them. Every service was in an office.

Medicare services, 2024126
Medicare patients32
Paid by Medicare$9,743
Procedure codes2

Dr. Ahn's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1772024: 10740%
Surgery
2023: 252024: 1924%
Tests and treatments
2023: 122024: 0100%
Other services
2023: 132024: 0100%

Dr. Ahn compared with the California median for general practice physicians, 2024

  • Dr. Ahn
  • California median
Medicare services
126vs 26252% below
Medicare patients
32vs 13676% below
Part D claims
2,000vs 19210.4 times

Medians across 1,114 general practice physicians in California with Dmand AI profiles that report each measure.

Dr. Ahn'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 Dr. Ahn

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

Dr. Edward Jaesung Ahn treated 32 Medicare patients in 2026, average age 77

CMS counts 32 Medicare patients who saw Dr. Ahn in 2026. The largest group is 65 to 74, with 16 patients. 75% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ahn's median patient age at 68, with 51% women.

Medicare patients, 202632
Average age77
Average risk score0.97

Dr. Ahn's Medicare patients by age, 2026

CMS leaves out age groups with fewer than 11 patients.

Dr. Ahn's Medicare patients by sex, 2026

  • Women2063%
  • Men1238%

Chronic conditions among Dr. Ahn's Medicare patients, 2026

  1. High cholesterol75%
  2. High blood pressure72%

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

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 68

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

Dr. Edward Jaesung Ahn wrote 2,418 Medicare Part D claims in 2026

In 2026, Dr. Ahn wrote 2,418 Medicare Part D claims for 269 patients. 93% of them were for generic drugs. CMS names the drug for 2,000 of them, across 35 drugs with 11 or more claims each, at $58,715 in total drug cost. In 2023, CMS named 1,911 claims across 36 drugs.

Part D claims, 20262,418
Drugs named by CMS35
Total drug cost$58,715
Part D patients269

Dr. Ahn's Part D claims by kind of drug, 2026

  • Generic2,258 claims93%
  • Brand-name and other160 claims7%

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

  • Antibiotics4%85 of 2,418 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: 1,9112024: 2,0005%

Drugs named by CMS: 35 in 2024, 36 in 2023.

See all prescribing by Dr. Ahn

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. Edward Jaesung Ahn takes part in Medicare

Dr. Ahn 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. Edward Jaesung Ahn received $638 in industry payments from 2016 to 2022

CMS Open Payments shows 9 general payments to Dr. Ahn from 6 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $215.

General payments to Dr. Ahn by program year, 2016 to 2022

Companies that paid Dr. Ahn the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Ahn

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

Sources for Dr. Edward Jaesung Ahn'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 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)
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 Dr. Edward Jaesung 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. Edward Jaesung Ahn's NPI number?

Dr. Edward Jaesung Ahn's NPI number is 1093805103. It was assigned on October 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Edward Jaesung Ahn?

Dr. Edward Jaesung Ahn is a general practice physician in San Diego, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. Edward Jaesung Ahn practice?

Dr. Ahn practices at 7750 Dagget St Ste 108, San Diego, CA 92111-2235. Dr. Ahn's primary practice is Harvard Medical Group Inc in San Diego, California.

What is Dr. Edward Jaesung Ahn's office phone number?

The practice phone on file for Dr. Ahn is (858) 571-1004. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Edward Jaesung 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. Edward Jaesung Ahn's medical license number?

Dr. Ahn holds California license A38304.

Does Dr. Edward Jaesung Ahn accept Medicare?

Yes. CMS data shows Dr. Ahn billed Medicare for 126 services in 2024, and Dr. Ahn accepts Medicare assignment.

How many Medicare patients does Dr. Edward Jaesung Ahn see?

CMS counts 32 Medicare patients who saw Dr. Ahn in 2026, with an average age of 77.

What services does Dr. Edward Jaesung Ahn bill to Medicare?

In 2024, Dr. Ahn's most billed Medicare services were office visit, established patient (99214) and surgery: heart and blood vessels (36410).

What drugs does Dr. Edward Jaesung Ahn prescribe most?

In 2024 Medicare Part D data, Dr. Ahn's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.

Show 3 more questionsShow fewer questions

Has Dr. Edward Jaesung Ahn received payments from drug or device companies?

CMS Open Payments shows $638 in general payments to Dr. Ahn from 6 companies from 2016 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Edward Jaesung Ahn been practicing?

Dr. Ahn graduated from medical school in 1964, 62 years ago.

What EHR does Dr. Edward Jaesung Ahn's practice use?

Dmand AI tracks the EHR system at Harvard Medical Group Inc. The vendor and product are available with a free Dmand AI account.

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