Mark Eldon Clark
Mark Eldon Clark is a Pharmacist provider (Pharmacist) practicing in Bellevue, WA, registered in the NPPES registry with NPI 1255472874 since 2007.
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1255472874 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Mark Eldon Clark |
| Sex | Male |
| Practice address | Bellevue, WA, 98008 |
| Phone | 4258810222 |
| Enumeration date | 2007-02-08 |
| Last updated in NPPES | 2007-07-08 |
Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 183500000X | Pharmacist | Primary | PH00010956 | WA |
Copy-ready billing details
Provider: Mark Clark NPI: 1255472874 Taxonomy: 183500000X (Pharmacist) Address: Bellevue, WA, 98008
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1689724072 | Michael Baker | Individual | Naturopath | Bellevue, WA |
| 1508907130 | Clark'S Pharmacy Inc | Organization | Compounding Pharmacy | Bellevue, WA |
| 1710178512 | Sarah Sabo | Individual | Chiropractor | Bellevue, WA |
| 1184928681 | Elizabeth Morgan | Individual | Massage Therapist | Bellevue, WA |
| 1598019606 | Erin Raven | Individual | Massage Therapist | Bellevue, WA |
| 1134530439 | Barbara Ingmire | Individual | Massage Therapist | Bellevue, WA |
| 1326598640 | Ipsen Pharmacy Services LLC | Organization | Compounding Pharmacy | Bellevue, WA |
Verify this record
Cross-check NPI 1255472874 against the authoritative CMS record: view Mark Eldon Clark 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
How do I verify Mark Clark's NPI record?
Is NPI 1255472874 active?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.