Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Alison Laura Pachynski, MD MPH

Internal Medicine Physician in Redwood City, CA · enumerated 2006.

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

National Provider Identifier

1013090810

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Alison Laura Pachynski

Credential MD MPH

Sex Female

Practice address 2710 Middlefield Rd, Redwood City, CA, 94063

Phone (650) 364-6010

Fax (650) 366-4732

Enumeration date Oct 23, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License A87899 (CA) Primary

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 Alison Pachynski?

The National Provider Identifier (NPI) for Alison Pachynski is 1013090810, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alison Pachynski practice?

The practice location on file with NPPES is in Redwood City, CA. 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 2007-07-08.