Dr. Chaewon Song, MD

  • Garden Grove, CA
  • Geriatric medicine (internal medicine) physician
NPI1972589687PAC ID4688661549
Medicare services, 2024
7,428
Medicare patients, 2024
787
Part D claims, 2024
38,165
Hospital affiliations
1
Industry payments
$31,842
Practice address
12601 Garden Grove Blvd, Garden Grove, CA 92843
Practice phone
Call (714) 537-5160
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Garden Grove Hospital Medical Center

Hospital · Garden Grove, California

See all 16 affiliations

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Dr. Chaewon Song is a geriatric medicine (internal medicine) physician in Garden Grove, California

Dr. Song practices at Garden Grove Hospital Medical Center in Garden Grove, California, part of Prime Healthcare Services.

Dr. Song's NPI, 1972589687, was assigned on December 15, 2005. Dr. Song graduated from Korea University College of Medicine in 1997. Dr. Song holds California license C52295.

NPI and contact details
Medicare PAC ID
4688661549
NPI enumeration date
December 15, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 537-5160
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
55
Medical school graduation
1997

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

Dr. Chaewon Song practices at Garden Grove Hospital Medical Center in Garden Grove, California

Dr. Song's primary practice is Garden Grove Hospital Medical Center, at 12601 Garden Grove Blvd, Garden Grove, CA 92843 in Orange County. The practice phone is (714) 537-5160.

Source: Dmand AI Affiliation Data

Dr. Chaewon Song is affiliated with 13 sites of care and 3 medical groups

Dr. Song's primary practice is Garden Grove Hospital Medical Center in Garden Grove, California, part of Prime Healthcare Services. The medical group on file is SMG Medical Practice Group. Dmand AI also links Dr. Song to 5 more home health agencies, 3 group practices and clinics, 3 skilled nursing facilities, 2 medical groups and 1 hospice, each named with a free account.

See all 16 affiliations for Dr. Song

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

Dmand AI tracks the EHR system at Dr. Chaewon Song's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Song practices, 13 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Garden Grove Hospital Medical CenterAvailable with a free account
+12 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Chaewon Song is one of 497 geriatric medicine (internal medicine) physicians in California

Geriatric medicine is Dr. Song's primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Dr. Song is board certified in geriatric medicine by the American Board of Internal Medicine. Dmand AI has Dr. Song's licenses on file in 2 states: California and Connecticut.

Specialties and state licenses

  • Geriatric medicine (internal medicine), CaliforniaPrimaryLicense C52295 · 2006 to 2027 · taxonomy 207RG0300X
  • Connecticut license2001 to 2007

Clinical focus

Dmand AI lists acid reflux, alcohol use disorders, alzheimer's disease, aneurysm, aortic atherosclerois, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Song treats.

Geriatric medicine (internal medicine) physicians near Dr. Song

Counts of geriatric medicine (internal medicine) physicians with a Dmand AI profile, by place and practice. Each opens the list.

497geriatric medicine (internal medicine) physicians in California
2geriatric medicine (internal medicine) physicians in Garden Grove

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Chaewon Song billed Medicare for 7,428 services in 2024

CMS data shows 7,428 Medicare services from Dr. Song across 31 procedure codes in 2024, for 787 Medicare patients. Medicare paid $472,197 for them.

Medicare services, 20247,428
Medicare patients787
Paid by Medicare$472,197
Procedure codes31

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

  • 2023
  • 2024
Office and hospital visits
2023: 5,6642024: 5,8774%
Surgery
2023: 6782024: 61110%
Other services
2023: 5232024: 45812%
Tests and treatments
2023: 3572024: 23036%
Lab and pathology
2023: 2522024: 11754%
Drugs given in the office
2023: 712024: 11359%
Imaging
2023: 212024: 225%

Where Dr. Song's Medicare services took place, 2024

  • In an office4,15356%
  • In a facility3,27544%

Dr. Song compared with the California median for geriatric medicine (internal medicine) physicians, 2024

  • Dr. Song
  • California median
Medicare services
7,428vs 42417.5 times
Medicare patients
787vs 1784.4 times
Part D claims
37,379vs 93040.2 times

Medians across 466 geriatric medicine (internal medicine) physicians in California with Dmand AI profiles that report each measure.

Dr. Song'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. Song

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

Dr. Chaewon Song treated 787 Medicare patients in 2024, average age 85

CMS counts 787 Medicare patients who saw Dr. Song in 2024. The largest group is 85 and over, with 462 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 89% are also on Medicaid. Their average risk score is 2.29, 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. Song's median patient age at 82, with 62% women.

Medicare patients, 2024787
Average age85
Average risk score2.29
Also on Medicaid89%

Dr. Song's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Song's Medicare patients by sex, 2024

  • Women54970%
  • Men23830%

Chronic conditions among Dr. Song's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Diabetes55%
  5. Alzheimer's and dementia52%
  6. Heart failure48%
  7. Osteoporosis45%
  8. Mood disorders43%

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

Dr. Song's patients across all payers

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

Patient panel by age, all payers

Median age 82

Patient panel by sex, all payers

  • Women62%
  • Men38%

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

Dr. Chaewon Song wrote 38,165 Medicare Part D claims in 2024

In 2024, Dr. Song wrote 38,165 Medicare Part D claims for 1,397 patients. 81% of them were for generic drugs. CMS names the drug for 37,379 of them, across 260 drugs with 11 or more claims each, at $4,378,106 in total drug cost. In 2023, CMS named 41,278 claims across 265 drugs.

Part D claims, 202438,165
Drugs named by CMS260
Total drug cost$4.4M
Part D patients1,397

Dr. Song's Part D claims by kind of drug, 2024

  • Generic30,781 claims81%
  • Brand-name7,011 claims18%
  • Other373 claims1%

Dr. Song'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. Song's Part D claims, 2024

  • Opioids1%249 of 38,165 claims
  • Antibiotics2%947 of 38,165 claims
  • Antipsychotics, patients 65 and over0%110 of 38,165 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: 41,2782024: 37,3799%

Drugs named by CMS: 260 in 2024, 265 in 2023.

See all prescribing by Dr. Song

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. Chaewon Song takes part in Medicare

Dr. Song 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. Chaewon Song received $31,842 in industry payments from 2016 to 2025

CMS Open Payments shows 1,610 general payments to Dr. Song from 65 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $3,378.

General payments to Dr. Song by program year, 2016 to 2025

General payments to Dr. Song by kind, 2016 to 2025

$31.8Kin total
  • Food and beverage$31,47099%
  • Education$3721%

Companies that paid Dr. Song the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Song

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

Dr. Chaewon Song graduated from Korea University College of Medicine

Dr. Song graduated from Korea University College of Medicine in 1997.

  1. Medical schoolKorea University College of Medicine
  2. Board certified in geriatric medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Chaewon Song accepts plans from 16 insurance carriers

Dr. Song is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Song accepts, by number of carriers

  1. Medicare9
  2. PPO9
  3. HMO8
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Chaewon Song'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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. Chaewon Song

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. Chaewon Song's NPI number?

Dr. Chaewon Song's NPI number is 1972589687. It was assigned on December 15, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Chaewon Song?

Dr. Chaewon Song is a geriatric medicine (internal medicine) physician in Garden Grove, California. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).

Where does Dr. Chaewon Song practice?

Dr. Song practices at 12601 Garden Grove Blvd, Garden Grove, CA 92843. Dr. Song's primary practice is Garden Grove Hospital Medical Center in Garden Grove, California, part of Prime Healthcare Services. Dmand AI also links Dr. Song to 5 home health agencies, 3 group practices and clinics, 3 skilled nursing facilities, 2 medical groups and 1 hospice.

What is Dr. Chaewon Song's office phone number?

The practice phone on file for Dr. Song is (714) 537-5160.

What is Dr. Chaewon Song's medical license number?

Dr. Song holds California license C52295, one of the licenses on file in 2 states.

Which states has Dr. Chaewon Song been licensed in?

Dmand AI has state licenses on file for Dr. Song in California (2006 to 2027) and Connecticut (2001 to 2007).

Which hospitals is Dr. Chaewon Song affiliated with?

Dr. Song practices at Garden Grove Hospital Medical Center in Garden Grove, California.

What medical group is Dr. Chaewon Song part of?

Dr. Song is linked to SMG Medical Practice Group. Dmand AI links Dr. Song to 2 more medical groups.

Does Dr. Chaewon Song accept Medicare?

Yes. CMS data shows Dr. Song billed Medicare for 7,428 services in 2024, and Dr. Song accepts Medicare assignment.

How many Medicare patients does Dr. Chaewon Song see?

CMS counts 787 Medicare patients who saw Dr. Song in 2024, with an average age of 85.

Show 7 more questionsShow fewer questions

Is Dr. Chaewon Song board certified?

Yes. Dr. Song is board certified in geriatric medicine by the American Board of Internal Medicine.

What services does Dr. Chaewon Song bill to Medicare?

In 2024, Dr. Song's most billed Medicare services were nursing facility care (99308), office visit, established patient (99213) and home visit (99348).

Where did Dr. Chaewon Song go to medical school?

Dr. Song graduated from Korea University College of Medicine in 1997.

What drugs does Dr. Chaewon Song prescribe most?

In 2024 Medicare Part D data, Dr. Song's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.

Has Dr. Chaewon Song received payments from drug or device companies?

CMS Open Payments shows $31,842 in general payments to Dr. Song from 65 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Chaewon Song been practicing?

Dr. Song graduated from medical school in 1997, 29 years ago.

What insurance does Dr. Chaewon Song accept?

Dr. Song is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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