Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. David I Tasker, MD

Q: What is the NPI number for David Tasker?

The National Provider Identifier (NPI) for David Tasker is 1659363810, a Type 1 (individual) record in the CMS NPPES registry.

Ophthalmology Physician in San Antonio, TX · enumerated 2005.

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

National Provider Identifier

1659363810

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Registry record

Entity type Individual (Type 1)

Name Dr. David I Tasker

Credential MD

Sex Male

Practice address San Antonio, TX, 78248

Phone (210) 496-0496

Fax (210) 496-1226

Enumeration date Aug 15, 2005

Last updated in NPPES May 6, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License E1426 (TX) Primary

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
097744902	Medicaid	TX	-

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 David Tasker?

The National Provider Identifier (NPI) for David Tasker is 1659363810, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Tasker practice?

The practice location on file with NPPES is in San Antonio, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-06.