Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. John William Altonen III, RPH
Pharmacist in Williamsburg, VA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659371813
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Registry record
Entity type Individual (Type 1)
Name Mr. John William Altonen III
Credential RPH
Sex Male
Practice address 4601 Ironbound Rd, Eastern State Hospital, Williamsburg, VA, 23188
Phone (757) 253-5327
Fax (757) 253-4521
Enumeration date Jul 28, 2005
Last updated in NPPES Feb 21, 2008
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0202009202 | Other | VA | PHARMACIST LICENSE |
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.
Frequently asked questions
Where does John Altonen practice?
The practice location on file with NPPES is in Williamsburg, VA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Altonen?
The National Provider Identifier (NPI) for John Altonen is 1659371813, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Eastern State Hospital Pharmacy · Williamsburg, VA NPI 1861490344 Georgia Allen Pharmacist · Williamsburg, VA NPI 1750381919 Kimberlyn Griswold Psychiatric Pharmacist · Williamsburg, VA NPI 1881694040 Maria Tosi Pharmacist · Williamsburg, VA NPI 1346241353 Lorabel Laurel Psychiatric Pharmacist · Williamsburg, VA NPI 1003817891 Laura Burcham Pharmacy Technician · Williamsburg, VA NPI 1053312793 Robert Gottschalk Psychiatry Physician · Williamsburg, VA NPI 1740270826 Fughik Tirumalasetti Psychiatry Physician · Williamsburg, VA NPI 1497737555
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-02-21.