Sandy Vien

  • Mather, CA
  • Internist
NPI1033795711
Medicare services, 2024
215
Medicare patients, 2024
73
Part D claims, 2024
300
Publications
1
MIPS score, 2024
83
Practice address
10535 Hospital Way, Mather, CA 95655
Practice phone
Call (800) 382-8387
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Sacramento VA Medical Center

Hospital · Mather, California

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Sandy Vien is an internist in Mather, California

Sandy Vien practices at Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration.

Sandy Vien's NPI, 1033795711, was assigned on March 22, 2021. Sandy Vien graduated from Loyola University Chicago Stritch School of Medicine in 2021. Sandy Vien holds California license A183251.

NPI and contact details
NPI enumeration date
March 22, 2021
NPI status
Active
Practice phone
(800) 382-8387
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Female
Estimated age
31
Medical school graduation
2021

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

Sandy Vien practices at Sacramento VA Medical Center in Mather, California

Sandy Vien's primary practice is Sacramento VA Medical Center, at 10535 Hospital Way, Mather, CA 95655 in Sacramento County. The practice phone is (800) 382-8387.

Source: Dmand AI Affiliation Data

Sandy Vien is affiliated with 1 site of care and 1 medical group

Sandy Vien's primary practice is Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration. The medical group on file is UC Davis Medical Group.

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

Dmand AI tracks the EHR system at Sandy Vien's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sandy Vien practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sacramento VA Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Sandy Vien is one of 16,751 internists in California

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

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A183251 · 2022 to 2027 · taxonomy 207R00000X

Internists near Sandy Vien

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

Sandy Vien billed Medicare for 215 services in 2024

CMS data shows 215 Medicare services from Sandy Vien across 3 procedure codes in 2024, for 73 Medicare patients. Medicare paid $16,535 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024215
Medicare patients73
Paid by Medicare$16,535
Procedure codes3

Sandy Vien compared with the California median for internists, 2024

  • Sandy Vien
  • California median
Medicare services
215vs 36140% below
Medicare patients
73vs 15152% below
Part D claims
69vs 42184% below

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

Sandy Vien'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 Sandy Vien

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

Sandy Vien treated 73 Medicare patients in 2024, average age 70

CMS counts 73 Medicare patients who saw Sandy Vien in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 55% are also on Medicaid. Their average risk score is 3.42, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Sandy Vien's median patient age at 61, with 37% women.

Medicare patients, 202473
Average age70
Average risk score3.42
Also on Medicaid55%

Sandy Vien's Medicare patients by age, 2024

Sandy Vien's Medicare patients by sex, 2024

  • Women4359%
  • Men3041%

Chronic conditions among Sandy Vien's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Heart failure58%
  4. Ischemic heart disease56%
  5. Chronic kidney disease55%
  6. Arthritis52%
  7. Anxiety48%
  8. Diabetes48%

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

Sandy Vien's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women37%
  • Men63%

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

Sandy Vien wrote 300 Medicare Part D claims in 2024

In 2024, Sandy Vien wrote 300 Medicare Part D claims for 65 patients. 65% of them were for generic drugs. CMS names the drug for 69 of them, across 4 drugs with 11 or more claims each, at $2,140 in total drug cost. In 2023, CMS named 60 claims across 5 drugs.

Part D claims, 2024300
Drugs named by CMS4
Total drug cost$2,140
Part D patients65

Sandy Vien's Part D claims by kind of drug, 2024

  • Generic195 claims65%
  • Brand-name92 claims31%
  • Other13 claims4%

Sandy Vien's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Sandy Vien's Part D claims, 2024

  • Antibiotics6%17 of 300 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 602024: 6915%

Drugs named by CMS: 4 in 2024, 5 in 2023.

See all prescribing by Sandy Vien

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Sandy Vien scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Sandy Vien for performance year 2024, reported as part of a group.

Sandy Vien's MIPS scores, performance year 2024

  • 83of 100Final score
  • 64.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 69of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Sandy Vien has 1 publication on record

Dmand AI links 1 paper to Sandy Vien in 2024. Sandy Vien's most frequent co-authors are Elvis Jovanie Arteaga, MD, Sirisha Grandhe, MD and Eric J. Mao, MD.

Papers1

Sandy Vien's most frequent co-authors

Recent publications by Sandy Vien

See all 1 publications and co-authors

See who Sandy Vien researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Sandy Vien 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

Sandy Vien received $47 in industry payments in 2024

CMS Open Payments shows 1 general payment to Sandy Vien from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $47.

Companies that paid Sandy Vien the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Sandy Vien

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

Sandy Vien graduated from Loyola University Chicago Stritch School of Medicine

Sandy Vien graduated from Loyola University Chicago Stritch School of Medicine in 2021.

  1. Medical schoolLoyola University Chicago Stritch School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sandy Vien accepts plans from 5 insurance carriers

Sandy Vien is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • CMS Medicare

Plan types Sandy Vien accepts, by number of carriers

  1. Medicare5
  2. PPO4
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Sandy Vien'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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (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 Sandy Vien

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

What is Sandy Vien's NPI number?

Sandy Vien's NPI number is 1033795711. It was assigned on March 22, 2021, and it is active in the NPI Registry.

What does Sandy Vien specialize in?

Sandy Vien is an internist in Mather, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Sandy Vien practice?

Sandy Vien practices at 10535 Hospital Way, Mather, CA 95655. Sandy Vien's primary practice is Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration.

What is Sandy Vien's office phone number?

The practice phone on file for Sandy Vien is (800) 382-8387.

What is Sandy Vien's medical license number?

Sandy Vien holds California license A183251.

Which hospitals is Sandy Vien affiliated with?

Sandy Vien practices at Sacramento VA Medical Center in Mather, California.

What medical group is Sandy Vien part of?

Sandy Vien is linked to UC Davis Medical Group.

Does Sandy Vien accept Medicare?

Yes. CMS data shows Sandy Vien billed Medicare for 215 services in 2024.

What is Sandy Vien's MIPS score?

Sandy Vien's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

How many Medicare patients does Sandy Vien see?

CMS counts 73 Medicare patients who saw Sandy Vien in 2024, with an average age of 70.

Show 9 more questionsShow fewer questions

Is Sandy Vien board certified?

Yes. Sandy Vien is board certified in internal medicine by the American Board of Internal Medicine.

What services does Sandy Vien bill to Medicare?

In 2024, Sandy Vien's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).

Where did Sandy Vien go to medical school?

Sandy Vien graduated from Loyola University Chicago Stritch School of Medicine in 2021.

What drugs does Sandy Vien prescribe most?

In 2024 Medicare Part D data, Sandy Vien's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Albuterol Sulfate Hfa.

Has Sandy Vien received payments from drug or device companies?

CMS Open Payments shows $47 in general payments to Sandy Vien from 1 company from 2024 to 2024. The largest total came from Novo Nordisk Inc.

How long has Sandy Vien been practicing?

Sandy Vien graduated from medical school in 2021, 5 years ago.

Does Sandy Vien do research?

Dmand AI links 1 publication to Sandy Vien.

Who does Sandy Vien publish with?

Sandy Vien's most frequent co-authors are Elvis Jovanie Arteaga, MD (1 shared paper), Sirisha Grandhe, MD (1 shared paper) and Eric J. Mao, MD (1 shared paper).

What insurance does Sandy Vien accept?

Sandy Vien is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

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