HELLEN NOEMY VASQUEZ MD
NPI 1164097804
Internal Medicine in Fairfield, CA
About Hellen Noemy Vasquez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELLEN NOEMY VASQUEZ MD (NPI 1164097804) is an individual internal medicine provider in Fairfield, California, licensed in California (A191969) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Hellen Noemy Vasquez Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Hellen Vasquez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Northbay Physicians Surgery Center, LLC
- 516 clinicians in this Medicare group
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94533 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFIELD, CA 94533
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Hellen Vasquez's NPI number?
The NPI number for Hellen Vasquez is 1164097804. It was assigned to this individual provider in the NPPES registry on May 25, 2021.
Where is Hellen Vasquez located?
Hellen Vasquez practices at 1200 B Gale Wilson Blvd, Fairfield, CA 94533. The listed phone number is (707) 646-5000.
What is Hellen Vasquez's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hellen Vasquez enrolled in Medicare?
Yes. Hellen Vasquez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Hellen Vasquez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hellen Vasquez reassigns Medicare benefits to 2 organizations: Northbay Healthcare Group (Fairfield, CA) and Permanente Medical Group Inc (Vallejo, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hellen Vasquez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Hellen Vasquez was last updated on July 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Hellen Noemy Vasquez, MD · NPI 1164097804
Internal Medicine physician in Fairfield, California. Individual provider, active in the CMS NPPES registry since May 25, 2021.
## Identity
- **NPI:** 1164097804 (Entity type: Individual)
- **Enumerated:** May 25, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A191969 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 B GALE WILSON BLVD, Fairfield, CA 94533-3552
- **Phone:** (707) 646-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Northbay Healthcare Group (NPI 1821147786, Fairfield, CA); Permanente Medical Group Inc (NPI 1336222397, Vallejo, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 29, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1164097804) · Data from the CMS NPPES public registry.