Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alessandra Chatson, DNP
Nurse Practitioner in Kalamazoo, MI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427253368
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Registry record
Entity type Individual (Type 1)
Name Alessandra Chatson
Credential DNP
Sex Female
Practice address 117 W Paterson St, Kalamazoo, MI, 49007
Phone (269) 349-2641
Fax (269) 466-5522
Enumeration date Jun 20, 2007
Last updated in NPPES Dec 27, 2022
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 71002732 (IN) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704275303 (MI) Primary
DNP · Doctor of Nursing Practice: A clinical doctorate for advanced practice nurses.
About the DNP credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1427253368 | Other | MI | BC/BS |
| 200942210 | Medicaid | IN | - |
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 specialty is Alessandra Chatson?
Alessandra Chatson is registered in NPPES with the primary taxonomy of Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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.
Other providers at this practice address
Browse all → Steven Pollens Family Medicine Physician · Kalamazoo, MI NPI 1790755270 Gisselle Turman Physician Assistant · Kalamazoo, MI NPI 1760457568 Ian Steward Family Nurse Practitioner · Kalamazoo, MI NPI 1235105016 Lauren Piper Family Medicine Physician · Kalamazoo, MI NPI 1073552279 Wajid Khan Hospitalist Physician · Kalamazoo, MI NPI 1649208448 Timothy Mallett Pharmacist · Kalamazoo, MI NPI 1467567099 Richard Baxter Pharmacist · Kalamazoo, MI NPI 1134236425 Michelle Richardson Pharmacy Technician · Kalamazoo, MI NPI 1053428847
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-27.