Chand Grewal, DO
NPI 1659947836 · Psychiatry Physician · Loma Linda, CA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chand Grewal, DO is a Psychiatry Physician provider in Loma Linda, CA (NPI 1659947836).
Provider details
- NPI number
- 1659947836
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- OT020745 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Hydroxyzine Hcl | 36 |
| Buspirone Hcl | 36 |
| Olanzapine | 36 |
| Gabapentin | 33 |
| Mirtazapine | 29 |
| Trazodone Hcl | 27 |
| Sertraline Hcl | 24 |
| Benztropine Mesylate | 23 |
| Aripiprazole | 19 |
| Clonidine Hcl | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$215 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-05-28
- Last updated
- 2024-10-21
- Certified
- 2024-10-21
Frequently asked questions
- What is Chand Grewal's NPI number?
- Chand Grewal's National Provider Identifier (NPI) is 1659947836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chand Grewal's specialty?
- Chand Grewal is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Chand Grewal located?
- Chand Grewal's practice location on file with NPPES is 11234 Anderson St, Loma Linda, CA 92350-1716.
- What is Chand Grewal's phone number?
- The practice phone number listed in the NPPES registry for Chand Grewal is (909) 558-4907.
- Does Chand Grewal accept Medicare?
- Chand Grewal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chand Grewal's NPI active?
- Yes — Chand Grewal's NPI (1659947836) is active in the NPPES registry as of the last update on 2024-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.