Scott Liang, MD
NPI 1639124514 · Internal Medicine Physician · Arcadia, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Scott Liang, MD is a Internal Medicine Physician provider in Arcadia, CA (NPI 1639124514).
Provider details
- NPI number
- 1639124514
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A86197 (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
4,839 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 933 | $138 |
| Advance Care Planning, First 30 Minutes99497 | 436 | $87 |
| Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 MinutesG0446 | 411 | $27 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 400 | $82 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 354 | $140 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 344 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 155 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 823 | 231 |
| Rosuvastatin Calcium | 454 | 122 |
| Levothyroxine Sodium | 413 | 103 |
| Amlodipine Besylate | 355 | 103 |
| Lisinopril | 278 | 76 |
| Alendronate Sodium | 249 | 65 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,101 across 41 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
- 2006-05-23
- Last updated
- 2022-08-18
- Certified
- 2022-08-18
Frequently asked questions
- What is Scott Liang's NPI number?
- Scott Liang's National Provider Identifier (NPI) is 1639124514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Scott Liang's specialty?
- Scott Liang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Scott Liang located?
- Scott Liang's practice location on file with NPPES is 900 S 1st Ave, Arcadia, CA 91006-3919.
- What is Scott Liang's phone number?
- The practice phone number listed in the NPPES registry for Scott Liang is (626) 628-0808.
- Does Scott Liang accept Medicare?
- Scott Liang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Scott Liang's NPI active?
- Yes — Scott Liang's NPI (1639124514) is active in the NPPES registry as of the last update on 2022-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.