Gulshan Grewal, NP
NPI 1043147234 · Psychiatric/Mental Health Nurse Practitioner · Concord, CA
Gulshan Grewal, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Concord, CA (NPI 1043147234).
Provider details
- NPI number
- 1043147234
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 95039430 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
Mailing address
Registry dates
- Enumerated
- 2026-05-04
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is Gulshan Grewal's NPI number?
- Gulshan Grewal's National Provider Identifier (NPI) is 1043147234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gulshan Grewal's specialty?
- Gulshan Grewal is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gulshan Grewal located?
- Gulshan Grewal's practice location on file with NPPES is 2449 Pacheco St, Concord, CA 94520-2019.
- What is Gulshan Grewal's phone number?
- The practice phone number listed in the NPPES registry for Gulshan Grewal is (925) 744-5393.
- Is Gulshan Grewal's NPI active?
- Yes — Gulshan Grewal's NPI (1043147234) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.