Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Donald Penzien, PHD
Psychologist in Jackson, MS · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184661084
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Registry record
Entity type Individual (Type 1)
Name Mr. Donald Penzien
Credential PHD
Sex Male
Practice address 2500 N State St, Jackson, MS, 39216
Phone (601) 984-5808
Fax (601) 815-4710
Enumeration date May 31, 2006
Last updated in NPPES Nov 27, 2017
Taxonomy & licenses
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 28-387 (MS) Secondary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00114323 | Medicaid | MS | - |
| 680010494 | Other | MS | RAILROAD MEDICARE |
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
What is the NPI number for Donald Penzien?
The National Provider Identifier (NPI) for Donald Penzien is 1184661084, a Type 1 (individual) record in the CMS NPPES registry.
Where does Donald Penzien practice?
The practice location on file with NPPES is in Jackson, MS. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → University Ophthalmology Associates Ophthalmology Physician · Jackson, MS NPI 1477556231 George Russell Orthopaedic Trauma Physician · Jackson, MS NPI 1629072509 Lori Reed Orthopaedic Foot and Ankle Surgery Physician · Jackson, MS NPI 1285639955 Brian Crabtree Psychiatric Pharmacist · Jackson, MS NPI 1770580961 Jack Lewin Anatomic Pathology Physician · Jackson, MS NPI 1033117445 Robin Christian Family Nurse Practitioner · Jackson, MS NPI 1245230887 John Bethea Anesthesiology Physician · Jackson, MS NPI 1568462141 Linda Brodell Ophthalmology Physician · Jackson, MS NPI 1043210321
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-11-27.