Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Donald Lancy Allyn, M.D.
Specialist in Hanford, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558302893
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Registry record
Entity type Individual (Type 1)
Name Dr. Donald Lancy Allyn
Credential M.D.
Sex Male
Practice address 125 Mall Dr., Suite 301, Hanford, CA, 93230
Phone (559) 584-3000
Fax (559) 583-8456
Enumeration date Jun 9, 2006
Last updated in NPPES Sep 23, 2020
Taxonomy & licenses
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 |
|---|---|---|---|
| 00G216960 | Medicaid | CA | - |
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Donald Allyn?
Donald Allyn is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-23.