Lawrence Hwang, MD
NPI 1285894949 · Family Medicine Physician · Thousand Oaks, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Hwang, MD is a Family Medicine Physician provider in Thousand Oaks, CA (NPI 1285894949).
Provider details
- NPI number
- 1285894949
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A104288 (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
18 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
2,963 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 715 | $97 |
| 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 | 623 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 401 | $137 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 335 | $138 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 333 | $21 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 346 | 97 |
| Levothyroxine Sodium | 227 | 56 |
| Amlodipine Besylate | 207 | 60 |
| Lisinopril | 190 | 54 |
| Metformin Hcl | 157 | 43 |
| Alprazolam | 140 | 33 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,355 across 62 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
- 2008-06-16
- Last updated
- 2011-07-07
Frequently asked questions
- What is Lawrence Hwang's NPI number?
- Lawrence Hwang's National Provider Identifier (NPI) is 1285894949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Hwang's specialty?
- Lawrence Hwang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Hwang located?
- Lawrence Hwang's practice location on file with NPPES is 2230 Lynn Rd, Thousand Oaks, CA 91360-1901.
- What is Lawrence Hwang's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Hwang is (805) 495-1066.
- Does Lawrence Hwang accept Medicare?
- Lawrence Hwang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence Hwang's NPI active?
- Yes — Lawrence Hwang's NPI (1285894949) is active in the NPPES registry as of the last update on 2011-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.