Dr. Vanessa Hernandez, MD

  • Seneca, SC
  • General surgeon
NPI1366001851PAC ID3274965363
Medicare services, 2024
36
Medicare patients, 2024
57
Part D claims, 2024
69
MIPS score, 2024
84
Hospital affiliations
2
Practice address
100 Omni Dr, Seneca, SC 29672
Practice phone
Call (864) 454-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Prisma Health University Medical Group

Seneca, South Carolina

See all 5 affiliations

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Dr. Vanessa Hernandez is a general surgeon in Seneca, South Carolina

Dr. Hernandez practices at Prisma Health University Medical Group in Seneca, South Carolina.

Dr. Hernandez's NPI, 1366001851, was assigned on June 10, 2019. Dr. Hernandez graduated from University of South Carolina School of Medicine, Greenville in 2019. Dr. Hernandez holds South Carolina license 82779.

NPI and contact details
Medicare PAC ID
3274965363
NPI enumeration date
June 10, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(864) 454-2000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
33
Medical school graduation
2019

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

Dr. Vanessa Hernandez practices at Prisma Health University Medical Group in Seneca, South Carolina

Dr. Hernandez's primary practice is Prisma Health University Medical Group, at 100 Omni Dr, Seneca, SC 29672 in Oconee County. The practice phone is (864) 454-2000.

  • Prisma Health University Medical Group
    100 Omni Dr, Seneca, SC 29672 · Oconee CountyPhone(864) 454-2000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Vanessa Hernandez is affiliated with 4 sites of care and 1 medical group

Dr. Hernandez's primary practice is Prisma Health University Medical Group in Seneca, South Carolina. Dr. Hernandez is also affiliated with Prisma Health Oconee Memorial Hospital. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Hernandez to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Hernandez

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

Dmand AI tracks the EHR system at Dr. Vanessa Hernandez's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hernandez practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Prisma Health University Medical GroupAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Vanessa Hernandez is one of 506 general surgeons in South Carolina

Surgery is Dr. Hernandez's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hernandez is licensed in South Carolina.

Specialties and state licenses

  • Surgery, South CarolinaPrimaryLicense LL82779 · taxonomy 208600000X

General surgeons near Dr. Hernandez

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

506general surgeons in South Carolina
5general surgeons in Seneca

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

Dr. Vanessa Hernandez billed Medicare for 36 services in 2024

CMS data shows 36 Medicare services from Dr. Hernandez across 2 procedure codes in 2024, for 57 Medicare patients. Medicare paid $2,651 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202436
Medicare patients57
Paid by Medicare$2,651
Procedure codes2

Dr. Hernandez compared with the South Carolina median for general surgeons, 2024

  • Dr. Hernandez
  • South Carolina median
Medicare services
36vs 26586% below
Medicare patients
57vs 17868% below
Part D claims
37vs 5431% below

Medians across 500 general surgeons in South Carolina with Dmand AI profiles that report each measure.

Dr. Hernandez'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. Hernandez

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

Dr. Vanessa Hernandez treated 57 Medicare patients in 2024, average age 73

CMS counts 57 Medicare patients who saw Dr. Hernandez in 2024. The largest group is 75 to 84, with 25 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.18, 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. Hernandez's median patient age at 62, with 52% women.

Medicare patients, 202457
Average age73
Average risk score2.18

Dr. Hernandez's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Hernandez's Medicare patients by sex, 2024

  • Women3358%
  • Men2442%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Anxiety51%
  4. Ischemic heart disease47%
  5. Mood disorders46%
  6. Arthritis44%
  7. Depression42%
  8. Chronic kidney disease40%

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

Dr. Hernandez's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women52%
  • Men47%

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

Dr. Vanessa Hernandez wrote 69 Medicare Part D claims in 2024

In 2024, Dr. Hernandez wrote 69 Medicare Part D claims for 40 patients. 96% of them were for generic drugs. CMS names the drug for 37 of them, across 2 drugs with 11 or more claims each, at $114 in total drug cost. In 2023, CMS named 37 claims across 2 drugs.

Part D claims, 202469
Drugs named by CMS2
Total drug cost$114
Part D patients40

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

  • Generic66 claims96%
  • Brand-name and other3 claims4%

Dr. Hernandez'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 Dr. Hernandez's Part D claims, 2024

  • Opioids35%24 of 69 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: 372024: 37No change

Drugs named by CMS: 2 in 2024, 2 in 2023.

See all prescribing by Dr. Hernandez

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

Dr. Vanessa Hernandez scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Hernandez for performance year 2024, reported as part of a group. Dr. Hernandez accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 23 procedures of colonoscopy by Dr. Hernandez, more than 50% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Hernandez's MIPS scores, performance year 2024

  • 84of 100Final score
  • 75.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

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

Where Dr. Hernandez ranks in Medicare procedure volume

Colonoscopy
50th percentile23 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
42nd percentile11 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Vanessa Hernandez received $5,253 in industry payments from 2019 to 2025

CMS Open Payments shows 18 general payments to Dr. Hernandez from 12 drug and device companies from 2019 to 2025. Education make up the largest share, 82% of the total. Intuitive Surgical, Inc. paid the most, $4,221.

General payments to Dr. Hernandez by program year, 2019 to 2025

General payments to Dr. Hernandez by kind, 2019 to 2025

$5.3Kin total
  • Education$4,30582%
  • Food and beverage$75614%
  • Travel and lodging$1924%

Companies that paid Dr. Hernandez the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Hernandez

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

Dr. Vanessa Hernandez graduated from University of South Carolina School of Medicine, Greenville

Dr. Hernandez graduated from University of South Carolina School of Medicine, Greenville in 2019.

  1. Medical schoolUniversity of South Carolina School of Medicine, Greenville

Source: Dmand AI Professional Profile Data

Sources for Dr. Vanessa Hernandez'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Vanessa Hernandez

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. Vanessa Hernandez's NPI number?

Dr. Vanessa Hernandez's NPI number is 1366001851. It was assigned on June 10, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Vanessa Hernandez?

Dr. Vanessa Hernandez is a general surgeon in Seneca, South Carolina. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Vanessa Hernandez practice?

Dr. Hernandez practices at 100 Omni Dr, Seneca, SC 29672. Dr. Hernandez's primary practice is Prisma Health University Medical Group in Seneca, South Carolina. Dmand AI also links Dr. Hernandez to 1 hospital and 1 group practice or clinic.

What is Dr. Vanessa Hernandez's office phone number?

The practice phone on file for Dr. Hernandez is (864) 454-2000.

What is Dr. Vanessa Hernandez's medical license number?

Dr. Hernandez holds South Carolina license 82779.

Which hospitals is Dr. Vanessa Hernandez affiliated with?

Dr. Hernandez is affiliated with Prisma Health Oconee Memorial Hospital. Dmand AI links Dr. Hernandez to 1 more hospital.

What medical group is Dr. Vanessa Hernandez part of?

Dr. Hernandez is linked to Prisma Health Medical Group.

Does Dr. Vanessa Hernandez accept Medicare?

Yes. CMS data shows Dr. Hernandez billed Medicare for 36 services in 2024, and Dr. Hernandez accepts Medicare assignment.

What is Dr. Vanessa Hernandez's MIPS score?

Dr. Hernandez's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

How many Medicare patients does Dr. Vanessa Hernandez see?

CMS counts 57 Medicare patients who saw Dr. Hernandez in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

What services does Dr. Vanessa Hernandez bill to Medicare?

In 2024, Dr. Hernandez's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).

Where did Dr. Vanessa Hernandez go to medical school?

Dr. Hernandez graduated from University of South Carolina School of Medicine, Greenville in 2019.

What drugs does Dr. Vanessa Hernandez prescribe most?

In 2024 Medicare Part D data, Dr. Hernandez's most prescribed drugs by claims were Ondansetron ODT and Oxycodone HCl.

Has Dr. Vanessa Hernandez received payments from drug or device companies?

CMS Open Payments shows $5,253 in general payments to Dr. Hernandez from 12 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Vanessa Hernandez been practicing?

Dr. Hernandez graduated from medical school in 2019, 7 years ago.

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