OrganizationActive
Grant N Ko MD
NPI 1528210648 · Psychiatry Physician · Ridgewood, NJ
Grant N Ko MD is a Psychiatry Physician organization in Ridgewood, NJ (NPI 1528210648).
Provider details
- NPI number
- 1528210648
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Grant Ko, Owner(201) 927-7599
- License
- 25MA06989400 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
343 E Ridgewood Ave # 1f
Ridgewood, NJ 07450-3301
Phone: (201) 927-7599
Street-level locationGet directions
Mailing address
343 E Ridgewood Ave # 1f
Ridgewood, NJ 07450-3301
Registry dates
- Enumerated
- 2008-10-21
- Last updated
- 2008-10-21
Frequently asked questions
- What is Grant N Ko MD's NPI number?
- Grant N Ko MD's National Provider Identifier (NPI) is 1528210648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grant N Ko MD?
- Grant N Ko MD is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Grant N Ko MD located?
- Grant N Ko MD's practice location on file with NPPES is 343 E Ridgewood Ave # 1f, Ridgewood, NJ 07450-3301.
- What is Grant N Ko MD's phone number?
- The practice phone number listed in the NPPES registry for Grant N Ko MD is (201) 927-7599.
- Who is the authorized official for Grant N Ko MD?
- The authorized official listed on Grant N Ko MD's NPPES record is Grant Ko, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grant N Ko MD's NPI active?
- Yes — Grant N Ko MD's NPI (1528210648) is active in the NPPES registry as of the last update on 2008-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.