Dr. Hellen Noemy Vasquez, MD

  • Fairfield, CA
  • Internist
NPI1164097804PAC ID4880132505
Medicare services, 2024
44
Medicare patients, 2024
60
Part D claims, 2024
39
Publications
1
Hospital affiliations
2
Practice address
1200 B Gale Wilson Blvd, Fairfield, CA 94533
Practice phone
Call (707) 646-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

NorthBay Medical Center

Hospital · Fairfield, California

See all 4 affiliations

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Dr. Hellen Noemy Vasquez is an internist in Fairfield, California

Dr. Vasquez practices at NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare.

Dr. Vasquez's NPI, 1164097804, was assigned on May 25, 2021. Dr. Vasquez graduated from Ross University School of Medicine in 2021. Dr. Vasquez holds California license A191969.

NPI and contact details
Medicare PAC ID
4880132505
NPI enumeration date
May 25, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 646-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
31
Medical school graduation
2021

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Hellen Noemy Vasquez practices at NorthBay Medical Center in Fairfield, California

Dr. Vasquez's primary practice is NorthBay Medical Center, at 1200 B Gale Wilson Blvd, Fairfield, CA 94533 in Solano County. The practice phone is (707) 646-5000.

Source: Dmand AI Affiliation Data

Dr. Hellen Noemy Vasquez is affiliated with 2 sites of care and 2 medical groups

Dr. Vasquez's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. Dr. Vasquez is also affiliated with Oakland Medical Center. The medical group on file is NorthBay Medical Center. Dmand AI also links Dr. Vasquez to 1 more medical group, named with a free account. Dr. Vasquez's employer is on file too: a hospital.

See all 4 affiliations for Dr. Vasquez

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Hellen Noemy Vasquez's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vasquez practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
NorthBay Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Hellen Noemy Vasquez is one of 16,751 internists in California

Internal medicine is Dr. Vasquez's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Vasquez is board certified in internal medicine by the American Board of Internal Medicine. Dr. Vasquez is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A191969 · 2023 to 2026 · taxonomy 207R00000X

Internists near Dr. Vasquez

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Hellen Noemy Vasquez billed Medicare for 44 services in 2024

CMS data shows 44 Medicare services from Dr. Vasquez across 2 procedure codes in 2024, for 60 Medicare patients. Medicare paid $5,167 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202444
Medicare patients60
Paid by Medicare$5,167
Procedure codes2

Dr. Vasquez compared with the California median for internists, 2024

  • Dr. Vasquez
  • California median
Medicare services
44vs 36188% below
Medicare patients
60vs 15160% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Vasquez's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Vasquez

Need commercial claims for Dr. Vasquez?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vasquez and other internists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Hellen Noemy Vasquez treated 60 Medicare patients in 2024, average age 77

CMS counts 60 Medicare patients who saw Dr. Vasquez in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 2.35, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Vasquez's median patient age at 65, with 51% women.

Medicare patients, 202460
Average age77
Average risk score2.35
Also on Medicaid48%

Dr. Vasquez's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Vasquez's Medicare patients by sex, 2024

  • Women3355%
  • Men2745%

Chronic conditions among Dr. Vasquez's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease58%
  4. Arthritis57%
  5. Chronic kidney disease55%
  6. Diabetes52%
  7. Heart failure47%
  8. Mood disorders45%

Share of Medicare patients with each condition. A patient can have several.

Dr. Vasquez's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Hellen Noemy Vasquez wrote 39 Medicare Part D claims in 2024

In 2024, Dr. Vasquez wrote 39 Medicare Part D claims for 20 patients. 69% of them were for generic drugs.

Part D claims, 202439
Part D patients20

Dr. Vasquez's Part D claims by kind of drug, 2024

  • Generic27 claims69%
  • Brand-name and other12 claims31%

Drug classes CMS tracks in Dr. Vasquez's Part D claims, 2024

  • Antibiotics28%11 of 39 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Hellen Noemy Vasquez takes part in Medicare

Dr. Vasquez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Hellen Noemy Vasquez has 1 publication on record

Dmand AI links 1 paper to Dr. Vasquez in 2023. Dr. Vasquez's most frequent co-author is Mueez Hussain, MD.

Papers1

Dr. Vasquez's most frequent co-authors

  • Mueez Hussain, MD1 shared paper

Recent publications by Dr. Vasquez

See all 1 publications and co-authors

See who Dr. Vasquez researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Vasquez works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Hellen Noemy Vasquez received $57 in industry payments from 2022 to 2024

CMS Open Payments shows 3 general payments to Dr. Vasquez from 3 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $23.

General payments to Dr. Vasquez by program year, 2022 to 2024

Companies that paid Dr. Vasquez the most, 2022 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Vasquez

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Hellen Noemy Vasquez graduated from Ross University School of Medicine

Dr. Vasquez graduated from Ross University School of Medicine in 2021.

  1. Medical schoolRoss University School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Hellen Noemy Vasquez accepts plans from 2 insurance carriers

Dr. Vasquez is in network with 2 carriers, including United Healthcare and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • United Healthcare
  • CMS Medicare

Plan types Dr. Vasquez accepts, by number of carriers

  1. Medicare2
  2. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Hellen Noemy Vasquez's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Hellen Noemy Vasquez

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Hellen Noemy Vasquez's NPI number?

Dr. Hellen Noemy Vasquez's NPI number is 1164097804. It was assigned on May 25, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Hellen Noemy Vasquez?

Dr. Hellen Noemy Vasquez is an internist in Fairfield, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Hellen Noemy Vasquez practice?

Dr. Vasquez practices at 1200 B Gale Wilson Blvd, Fairfield, CA 94533. Dr. Vasquez's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. Dmand AI also links Dr. Vasquez to 1 medical group.

What is Dr. Hellen Noemy Vasquez's office phone number?

The practice phone on file for Dr. Vasquez is (707) 646-5000.

What is Dr. Hellen Noemy Vasquez's medical license number?

Dr. Vasquez holds California license A191969.

Which hospitals is Dr. Hellen Noemy Vasquez affiliated with?

Dr. Vasquez practices at NorthBay Medical Center in Fairfield, California. Dr. Vasquez is also affiliated with Oakland Medical Center.

What medical group is Dr. Hellen Noemy Vasquez part of?

Dr. Vasquez is linked to NorthBay Medical Center. Dmand AI links Dr. Vasquez to 1 more medical group.

Does Dr. Hellen Noemy Vasquez accept Medicare?

Yes. CMS data shows Dr. Vasquez billed Medicare for 44 services in 2024, and Dr. Vasquez accepts Medicare assignment.

How many Medicare patients does Dr. Hellen Noemy Vasquez see?

CMS counts 60 Medicare patients who saw Dr. Vasquez in 2024, with an average age of 77.

Is Dr. Hellen Noemy Vasquez board certified?

Yes. Dr. Vasquez is board certified in internal medicine by the American Board of Internal Medicine.

Show 7 more questionsShow fewer questions

What services does Dr. Hellen Noemy Vasquez bill to Medicare?

In 2024, Dr. Vasquez's most billed Medicare services were hospital inpatient care (99222) and hospital inpatient care (99223).

Where did Dr. Hellen Noemy Vasquez go to medical school?

Dr. Vasquez graduated from Ross University School of Medicine in 2021.

Has Dr. Hellen Noemy Vasquez received payments from drug or device companies?

CMS Open Payments shows $57 in general payments to Dr. Vasquez from 3 companies from 2022 to 2024. The largest total came from Amgen Inc.

How long has Dr. Hellen Noemy Vasquez been practicing?

Dr. Vasquez graduated from medical school in 2021, 5 years ago.

Does Dr. Hellen Noemy Vasquez do research?

Dmand AI links 1 publication to Dr. Vasquez.

Who does Dr. Hellen Noemy Vasquez publish with?

Dr. Vasquez's most frequent co-authors are Mueez Hussain, MD (1 shared paper).

What insurance does Dr. Hellen Noemy Vasquez accept?

Dr. Vasquez is in network with 2 carriers, including United Healthcare and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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