Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Susan Grace, D.C.

Chiropractor in Cambridge, MA · enumerated 2010.

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

National Provider Identifier

1679893697

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Registry record

Entity type Individual (Type 1)

Name Dr. Susan Grace

Credential D.C.

Sex Female

Practice address 777 Concord Ave, Ste 301, Cambridge, MA, 02138

Phone (617) 876-6777

Fax (617) 876-9011

Enumeration date Jun 2, 2010

Last updated in NPPES Jun 24, 2013

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 3335 (MA) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

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

Is NPI 1679893697 active?

Yes, as of the latest NPPES snapshot, NPI 1679893697 is active (record last updated 2013-06-24).

How do I verify Susan Grace's NPI record?

Cross-check NPI 1679893697 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-06-24.