Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lindsay S. Harnden, PA

Surgical Physician Assistant in South Portland, ME · enumerated 2006.

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

National Provider Identifier

1023195633

Verified

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Registry record

Entity type Individual (Type 1)

Name Lindsay S. Harnden

Credential PA

Sex Female

Practice address 41 Donald B Dean Dr Ste A, South Portland, ME, 04106

Phone (207) 661-6064

Enumeration date Nov 1, 2006

Last updated in NPPES Nov 30, 2021

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA1163 (ME) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier	Type	State	Issuer
1023195633	Medicaid	ME	-

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

Where does Lindsay Harnden practice?

The practice location on file with NPPES is in South Portland, ME. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Lindsay Harnden?

The National Provider Identifier (NPI) for Lindsay Harnden is 1023195633, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Susan Cadigan Registered Dietitian · South Portland, ME NPI 1306816731 Rushika Conroy Pediatric Obesity Medicine Physician · Portland, ME NPI 1013166974 Rebecca Wertheimer Clinical Social Worker · South Portland, ME NPI 1427366517 Rachel Vincent Obesity and Weight Management Nutrition Registered Dietitian · South Portland, ME NPI 1841595808 Megan Swift Registered Dietitian · South Portland, ME NPI 1467745992 Erin Miller Registered Dietitian · South Portland, ME NPI 1285040584 Lauren Williams Physician Assistant · South Portland, ME NPI 1972907442 Taylor Watts Clinical Social Worker · South Portland, ME NPI 1700378551

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-30.