Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Grant N Ko MD

Q: What is the NPI number for Grant N Ko MD?

The NPI for Grant N Ko MD is 1528210648, a Type 2 (organization) record in the CMS NPPES registry.

Psychiatry Physician in Ridgewood, NJ · enumerated 2008 · authorized official Grant Ko, Owner.

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

National Provider Identifier

1528210648

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Registry record

Entity type Organization (Type 2)

Legal business name Grant N Ko MD

Practice address 343 E Ridgewood Ave # 1f, Ridgewood, NJ, 07450

Phone (201) 927-7599

Enumeration date Oct 21, 2008

Last updated in NPPES Oct 21, 2008

Taxonomy & classification

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 25MA06989400 (NJ) Primary

Authorized official

Name Grant Ko

Title Owner

Phone (201) 927-7599

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 Grant N Ko MD?

The NPI for Grant N Ko MD is 1528210648, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Grant N Ko MD?

NPPES lists Grant Ko (Owner) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-10-21.