Vivek Singh, MD
NPI 1619487105 · Geriatric Medicine (Internal Medicine) Physician · Stockton, CA
Enrolled with Medicare as Order and Referring Only - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivek Singh, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Stockton, CA (NPI 1619487105).
Provider details
- NPI number
- 1619487105
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$410 across 4 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
- 2017-10-10
- Last updated
- 2021-08-16
- Certified
- 2021-08-16
Frequently asked questions
- What is Vivek Singh's NPI number?
- Vivek Singh's National Provider Identifier (NPI) is 1619487105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivek Singh's specialty?
- Vivek Singh is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Vivek Singh located?
- Vivek Singh's practice location on file with NPPES is 1805 N California St Ste 201, Stockton, CA 95204-6032.
- What is Vivek Singh's phone number?
- The practice phone number listed in the NPPES registry for Vivek Singh is (209) 645-4005.
- Does Vivek Singh accept Medicare?
- Vivek Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivek Singh's NPI active?
- Yes — Vivek Singh's NPI (1619487105) is active in the NPPES registry as of the last update on 2021-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.