NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Philip A Tisdall, M.D.

Anatomic Pathology & Clinical Pathology Physician in Exeter, NH · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1578566774

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Philip A Tisdall
Credential M.D.
Sex Male
Practice address 1 Hampton Rd, Unit 208, Exeter, NH, 03833
Fax (603) 778-1602
Enumeration date May 23, 2005
Last updated in NPPES Jun 3, 2008

Taxonomy & licenses

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 7703 (NH) Primary
207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 57504 (MA) Secondary
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
3021904 Medicaid MA -
0105363Y0HN01 Other NH BCBS
30002058 Medicaid NH -
57504 Other MA MEDICAL LICENSURE
7703 Other NH MEDICAL LICENSURE
R01137 Other MA BCBS

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for Philip Tisdall?
The National Provider Identifier (NPI) for Philip Tisdall is 1578566774, a Type 1 (individual) record in the CMS NPPES registry.
Where does Philip Tisdall practice?
The practice location on file with NPPES is in Exeter, NH. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-03.