Grewal Medical Associates, Inc
NPI 1639135510 · Internal Medicine Physician · Tracy, CA
Grewal Medical Associates, Inc is a Internal Medicine Physician organization in Tracy, CA (NPI 1639135510).
Provider details
- NPI number
- 1639135510
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Puneet Grewal, Manager/Internal Medicine Pcp(209) 835-4232
- License
- A40558 (CA)
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 tenure38% of score
20 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
Mailing address
Other names (DBA / former)
- Doing business as
- Tracy Medical Group
- Doing business as
- Tracy Medical Group
Registry dates
- Enumerated
- 2006-04-21
- Last updated
- 2026-03-31
- Certified
- 2026-03-31
Frequently asked questions
- What is Grewal Medical Associates, Inc's NPI number?
- Grewal Medical Associates, Inc's National Provider Identifier (NPI) is 1639135510, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grewal Medical Associates, Inc?
- Grewal Medical Associates, Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grewal Medical Associates, Inc located?
- Grewal Medical Associates, Inc's practice location on file with NPPES is 530 W Eaton Ave Ste K, Tracy, CA 95376.
- What is Grewal Medical Associates, Inc's phone number?
- The practice phone number listed in the NPPES registry for Grewal Medical Associates, Inc is (209) 835-4232.
- Who is the authorized official for Grewal Medical Associates, Inc?
- The authorized official listed on Grewal Medical Associates, Inc's NPPES record is Puneet Grewal, Manager/Internal Medicine Pcp. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grewal Medical Associates, Inc's NPI active?
- Yes — Grewal Medical Associates, Inc's NPI (1639135510) is active in the NPPES registry as of the last update on 2026-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.