Chaewon Song, MD
NPI 1972589687 · Geriatric Medicine (Internal Medicine) Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chaewon Song, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Garden Grove, CA (NPI 1972589687).
Provider details
- NPI number
- 1972589687
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- C52295 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
7,298 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 2,410 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,113 | $99 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 698 | $80 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 611 | $9 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 449 | $79 |
| Advance Care Planning, First 30 Minutes99497 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 264 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 2,757 | 529 |
| Amlodipine Besylate | 2,314 | 413 |
| Losartan Potassium | 1,792 | 336 |
| Metformin Hcl | 1,078 | 249 |
| Omeprazole | 986 | 210 |
| Lipase/Protease/Amylasebrand: Creon | 927 | 154 |
| Icosapent Ethylbrand: Vascepa |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,334 across 115 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-15
- Last updated
- 2013-11-07
Frequently asked questions
- What is Chaewon Song's NPI number?
- Chaewon Song's National Provider Identifier (NPI) is 1972589687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chaewon Song's specialty?
- Chaewon Song is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Chaewon Song located?
- Chaewon Song's practice location on file with NPPES is 12665 Garden Grove Blvd, Garden Grove, CA 92843-1901.
- What is Chaewon Song's phone number?
- The practice phone number listed in the NPPES registry for Chaewon Song is (714) 530-3740.
- Does Chaewon Song accept Medicare?
- Chaewon Song is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chaewon Song's NPI active?
- Yes — Chaewon Song's NPI (1972589687) is active in the NPPES registry as of the last update on 2013-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.