Mark M Lau, M.D.
Mark M Lau is a Orthopaedic Surgery Physician provider (Orthopaedic Surgery) practicing in Eureka, CA, registered in the NPPES registry with NPI 1962433235 since 2006. The credential MD stands for Doctor of Medicine.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1962433235 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Mark M Lau |
| Credential | M.D. |
| Sex | Male |
| Practice address | 2826 HARRIS ST, Eureka, CA, 95503 |
| Phone | 7074438066 |
| Fax | 7072683250 |
| Enumeration date | 2006-07-05 |
| Last updated in NPPES | 2007-11-26 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 207X00000X | Orthopaedic Surgery Physician | Primary | G31865 | CA |
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00G318650 | Medicaid | CA | — |
Copy-ready billing details
Provider: Mark Lau, M.D. NPI: 1962433235 Taxonomy: 207X00000X (Orthopaedic Surgery Physician) Address: 2826 HARRIS ST, Eureka, CA, 95503
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1811955735 | Timothy Wimmer | Individual | Orthopaedic Surgery Physician | Eureka, CA |
| 1245268549 | Raymond Koch | Individual | Orthopaedic Surgery Physician | Eureka, CA |
| 1881622520 | Humboldt Orthopaedic Medical Associates, Inc. | Organization | Orthopaedic Surgery Physician | Eureka, CA |
| 1215967773 | Edward Emmons | Individual | Orthopaedic Surgery Physician | Eureka, CA |
| 1124052725 | Nathan Shishido | Individual | Orthopaedic Surgery Physician | Eureka, CA |
| 1508891029 | Williiam Kilgore | Individual | Orthopaedic Surgery Physician | Eureka, CA |
| 1750300216 | Ryan Larsen | Individual | Surgical Physician Assistant | Eureka, CA |
| 1295754752 | Paul Gustavson | Individual | Physician Assistant | Eureka, CA |
Verify this record
Cross-check NPI 1962433235 against the authoritative CMS record: view Mark M Lau on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-11-26.