Mr. Mark John Kusmierczyk, R.PH.
Mr. Mark John Kusmierczyk is a Pharmacist provider (Pharmacist) practicing in Gilbert, AZ, registered in the NPPES registry with NPI 1326398322 since 2012. The credential RPH stands for Registered Pharmacist.
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1326398322 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Mr. Mark John Kusmierczyk |
| Credential | R.PH. |
| Sex | Male |
| Practice address | Gilbert, AZ, 85295 |
| Phone | 4803663959 |
| Fax | 4803663956 |
| Enumeration date | 2012-09-17 |
| Last updated in NPPES | 2012-09-17 |
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 | S006175 | AZ |
RPH — Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0353386 | Other | AZ | NABP |
Copy-ready billing details
Provider: Mark Kusmierczyk, R.PH. NPI: 1326398322 Taxonomy: 183500000X (Pharmacist) Address: Gilbert, AZ, 85295
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1295845899 | Costco Wholesale Corporation | Organization | Community/Retail Pharmacy | Gilbert, AZ |
| 1225368392 | Kimberly Lewis | Individual | Pharmacist | Gilbert, AZ |
| 1508119777 | James Carpetis | Individual | Pharmacist | Gilbert, AZ |
| 1720322944 | Kevin Kane | Individual | Pharmacist | Gilbert, AZ |
| 1760872816 | Costco Wholesale Corporation | Organization | Eyewear Supplier | Gilbert, AZ |
| 1376936070 | Costco Wholesale Corporation | Organization | Hearing Aid Equipment | Gilbert, AZ |
| 1295233518 | Nicole Thomas | Individual | Optometrist | Gilbert, AZ |
| 1457847337 | Lindsey Perry | Individual | Optometrist | Gilbert, AZ |
Verify this record
Cross-check NPI 1326398322 against the authoritative CMS record: view Mr. Mark John Kusmierczyk 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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Is NPI 1326398322 active?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2012-09-17.