Larry Chiang, MD
NPI 1912952524 · Internal Medicine Physician · Escandido, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larry Chiang, MD is a Internal Medicine Physician provider in Escandido, CA (NPI 1912952524).
Provider details
- NPI number
- 1912952524
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A064424 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
604 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 156 | $203 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 145 | $143 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 127 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 126 | $150 |
| Administration of Influenza Virus VaccineG0008 | 50 | $34 |
Typical Medicare-allowed amounts for these services range $18–$203 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Amlodipine Besylate | 211 | 61 |
| Simvastatin | 199 | 53 |
| Atorvastatin Calcium | 172 | 52 |
| Metformin Hcl | 146 | 41 |
| Levothyroxine Sodium | 140 | 41 |
| Lisinopril | 134 | 36 |
| Tamsulosin Hcl | 93 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-23
- Last updated
- 2020-11-18
- Certified
- 2020-11-18
Frequently asked questions
- What is Larry Chiang's NPI number?
- Larry Chiang's National Provider Identifier (NPI) is 1912952524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larry Chiang's specialty?
- Larry Chiang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Larry Chiang located?
- Larry Chiang's practice location on file with NPPES is 215 S Hickory St, Escandido, CA 92025.
- What is Larry Chiang's phone number?
- The practice phone number listed in the NPPES registry for Larry Chiang is (760) 432-6644.
- Does Larry Chiang accept Medicare?
- Larry Chiang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larry Chiang's NPI active?
- Yes — Larry Chiang's NPI (1912952524) is active in the NPPES registry as of the last update on 2020-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.