NPI Portal NPI Lookup & Verification

David J Fish, M.D.

David J Fish is a Pediatrics Physician provider (Pediatrics) practicing in Springfield, MA, registered in the NPPES registry with NPI 1659422798 since 2007. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1659422798
Entity type Individual (Type 1)
Name David J Fish
Credential M.D.
Sex Male
Practice address 759 CHESTNUT STREET, STE C3358, Springfield, MA, 01107
Phone 4137942398
Fax 4137941273
Enumeration date 2007-01-16
Last updated in NPPES 2023-09-26

Taxonomy & licenses

Taxonomy code Specialty Primary License State
207R00000X Internal Medicine Physician Secondary 245903 MA
208M00000X Hospitalist Physician Secondary 245903 MA
208000000X Pediatrics Physician Primary 245903 MA

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
002257501 Other MA MEDICARE
110088658A Medicaid MA
Copy-ready billing details
Provider: David Fish, M.D.
NPI: 1659422798
Taxonomy: 208000000X (Pediatrics Physician)
Address: 759 CHESTNUT STREET, STE C3358, Springfield, MA, 01107

Other providers at this practice address

NPI Name Type Specialty Location
1467442798 Ediz Cosar Individual Anatomic Pathology & Clinical Pathology Physician Springfield, MA
1376521666 Erin Salvador Individual Hospice and Palliative Medicine (Internal Medicine) Physician Springfield, MA
1740250943 Bryant Benson Individual Hospitalist Physician Springfield, MA
1811963796 Ashraf Khan Individual Anatomic Pathology Physician Springfield, MA
1144284241 Joanna Luty Individual Pediatric Hematology & Oncology Physician Springfield, MA
1366485260 Nicolas Jabbour Individual Surgery Physician Springfield, MA
1235174103 Weijen Chang Individual Pediatrics Physician Springfield, MA
1376557082 Algernon Anatol Individual Internal Medicine Physician Springfield, MA

Verify this record

Cross-check NPI 1659422798 against the authoritative CMS record: view David J Fish 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

What is the NPI number for David Fish?
The National Provider Identifier (NPI) for David Fish is 1659422798, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Fish practice?
The practice location on file with NPPES is in Springfield, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2023-09-26.