Arthur Lau, MD
NPI 1821473331 · Internal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arthur Lau, MD is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1821473331).
Provider details
- NPI number
- 1821473331
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MT209904 (PA)
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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
339 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 94 | $132 |
| 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 | 79 | $17 |
| 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 | 38 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $98 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 252 | 75 |
| Methotrexate Sodiumbrand: Methotrexate | 120 | 43 |
| Adalimumabbrand: Humira(cf) Pen | 84 | 13 |
| Prednisone | 73 | 36 |
| Diclofenac Sodium | 50 | 20 |
| Alendronate Sodium | 45 | 14 |
| Celecoxib | 37 |
Practice location
Mailing address
Additional practice locations (1)
- 100 E Lancaster AveWynnewood, PA 19096-3450Phone: (484) 476-2000
Registry dates
- Enumerated
- 2015-07-26
- Last updated
- 2018-11-03
Frequently asked questions
- What is Arthur Lau's NPI number?
- Arthur Lau's National Provider Identifier (NPI) is 1821473331, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arthur Lau's specialty?
- Arthur Lau is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arthur Lau located?
- Arthur Lau's practice location on file with NPPES is 3401 N Broad St, Philadelphia, PA 19140.
- What is Arthur Lau's phone number?
- The practice phone number listed in the NPPES registry for Arthur Lau is (215) 707-4600.
- Does Arthur Lau accept Medicare?
- Arthur Lau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arthur Lau's NPI active?
- Yes — Arthur Lau's NPI (1821473331) is active in the NPPES registry as of the last update on 2018-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.