Eileen Song
NPI 1134703838 · Family Nurse Practitioner · Rosemead, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eileen Song is a Family Nurse Practitioner provider in Rosemead, CA (NPI 1134703838).
Provider details
- NPI number
- 1134703838
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 95235561 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,616 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 Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 397 | $97 |
| Chronic Care Management Services for Two Or More Chronic Conditions, First 30 Minutes Provided Personally By Health Care Professional, Per Calendar Month99491 | 342 | $67 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 290 | $113 |
| Chronic Care Management Services for Two Or More Chronic Conditions, First 30 Minutes Provided Personally By Health Care Professional, Per Calendar Month99491 | 276 | $77 |
| Advance Care Planning, First 30 Minutes99497 | 73 | $67 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 164 | 35 |
| Memantine Hcl | 143 | 22 |
| Donepezil Hcl | 99 | 17 |
| Metformin Hcl | 95 | 24 |
| Amlodipine Besylate | 92 | 21 |
| Losartan Potassium | 80 | 22 |
| Mirtazapine | 74 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (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
Additional practice locations (2)
- 3850 Barranca Pkwy Ste KlIrvine, CA 92606-1202Phone: (888) 663-6331Fax: (415) 252-7176
- 701 S Atlantic Blvd Ste 100Monterey Park, CA 91754-3845Phone: (626) 905-1464
Registry dates
- Enumerated
- 2021-05-09
- Last updated
- 2025-11-07
- Certified
- 2025-11-07
Frequently asked questions
- What is Eileen Song's NPI number?
- Eileen Song's National Provider Identifier (NPI) is 1134703838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eileen Song's specialty?
- Eileen Song is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Eileen Song located?
- Eileen Song's practice location on file with NPPES is 7740 Garvey Ave # B100-102, Rosemead, CA 91770-3077.
- What is Eileen Song's phone number?
- The practice phone number listed in the NPPES registry for Eileen Song is (626) 905-1464.
- Does Eileen Song accept Medicare?
- Eileen Song is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eileen Song's NPI active?
- Yes — Eileen Song's NPI (1134703838) is active in the NPPES registry as of the last update on 2025-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.