Dr. Hector Luis Santiesteban, MD

  • South San Francisco, CA
  • Nephrologist
NPI1245235738PAC ID5799713657
Medicare services, 2024
343
Medicare patients, 2024
95
Part D claims, 2024
710
Hospital affiliations
6
Industry payments
$4,612
Practice address
1200 El Camino Real, South San Francisco, CA 94080
Practice phone
Call (650) 742-3200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kaiser Permanente South San Francisco Medical Center

Hospital · South San Francisco, California

See all 14 affiliations

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Dr. Hector Luis Santiesteban is a nephrologist in South San Francisco, California

Dr. Santiesteban practices at Kaiser Permanente South San Francisco Medical Center in South San Francisco, California, part of Kaiser Permanente.

Dr. Santiesteban's NPI, 1245235738, was assigned on June 20, 2005. Dr. Santiesteban graduated from Emory School of Medicine in 1984. Dr. Santiesteban holds California license G60085.

NPI and contact details
Medicare PAC ID
5799713657
NPI enumeration date
June 20, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 742-3200
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
68
Medical school graduation
1984

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

Dr. Hector Luis Santiesteban practices at Kaiser Permanente South San Francisco Medical Center in South San Francisco, California

Dr. Santiesteban's primary practice is Kaiser Permanente South San Francisco Medical Center, at 1200 El Camino Real, South San Francisco, CA 94080 in San Mateo County. The practice phone is (650) 742-3200.

Source: Dmand AI Affiliation Data

Dr. Hector Luis Santiesteban is affiliated with 12 sites of care and 2 medical groups

Dr. Santiesteban's primary practice is Kaiser Permanente South San Francisco Medical Center in South San Francisco, California, part of Kaiser Permanente. Dr. Santiesteban is also affiliated with San Mateo Medical Center. The medical group on file is San Mateo Medical Center. Dmand AI also links Dr. Santiesteban to 4 more hospitals, 4 dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 14 affiliations for Dr. Santiesteban

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

Dmand AI tracks the EHR system at Dr. Hector Luis Santiesteban's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Santiesteban practices, 12 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente South San Francisco Medical CenterAvailable with a free account
+11 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Hector Luis Santiesteban is one of 1,401 nephrologists in California

Nephrology is Dr. Santiesteban's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Santiesteban is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Santiesteban's licenses on file in 2 states: California and Ohio.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense G60085 · 1987 to 2026 · taxonomy 207RN0300X
  • Ohio license1985 to 2006

Clinical focus

Dmand AI lists chronic kidney disease among the conditions Dr. Santiesteban treats.

Nephrologists near Dr. Santiesteban

Counts of nephrologists 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. Hector Luis Santiesteban billed Medicare for 343 services in 2024

CMS data shows 343 Medicare services from Dr. Santiesteban across 5 procedure codes in 2024, for 95 Medicare patients. Medicare paid $53,583 for them.

Medicare services, 2024343
Medicare patients95
Paid by Medicare$53,583
Procedure codes5

Dr. Santiesteban's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4172024: 23244%
Tests and treatments
2023: 1952024: 11143%

Where Dr. Santiesteban's Medicare services took place, 2024

  • In an office8826%
  • In a facility25574%

Dr. Santiesteban compared with the California median for nephrologists, 2024

  • Dr. Santiesteban
  • California median
Medicare services
343vs 1,08468% below
Medicare patients
95vs 30769% below
Part D claims
352vs 95563% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Santiesteban'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. Santiesteban

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

Dr. Hector Luis Santiesteban treated 95 Medicare patients in 2024, average age 73

CMS counts 95 Medicare patients who saw Dr. Santiesteban in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 68% are also on Medicaid. Their average risk score is 7.30, 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. Santiesteban's median patient age at 65, with 46% women.

Medicare patients, 202495
Average age73
Average risk score7.30
Also on Medicaid68%

Dr. Santiesteban's Medicare patients by age, 2024

Dr. Santiesteban's Medicare patients by sex, 2024

  • Women3840%
  • Men5760%

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

  1. Chronic kidney disease75%
  2. Diabetes75%
  3. High blood pressure75%
  4. High cholesterol75%
  5. Heart failure66%
  6. Ischemic heart disease56%
  7. Atrial fibrillation39%
  8. Arthritis36%

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

Dr. Santiesteban'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

  • Women46%
  • Men50%

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

Dr. Hector Luis Santiesteban wrote 710 Medicare Part D claims in 2024

In 2024, Dr. Santiesteban wrote 710 Medicare Part D claims for 128 patients. 88% of them were for generic drugs. CMS names the drug for 352 of them, across 15 drugs with 11 or more claims each, at $21,914 in total drug cost. In 2023, CMS named 2,309 claims across 69 drugs.

Part D claims, 2024710
Drugs named by CMS15
Total drug cost$21,914
Part D patients128

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

  • Generic626 claims88%
  • Brand-name and other84 claims12%

Dr. Santiesteban'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,3092024: 35285%

Drugs named by CMS: 15 in 2024, 69 in 2023.

See all prescribing by Dr. Santiesteban

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

How Dr. Hector Luis Santiesteban takes part in Medicare

Dr. Santiesteban 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)

For MedTech and pharma teams

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Dr. Hector Luis Santiesteban received $4,612 in industry payments from 2016 to 2025

CMS Open Payments shows 185 general payments to Dr. Santiesteban from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $668.

General payments to Dr. Santiesteban by program year, 2016 to 2025

General payments to Dr. Santiesteban by kind, 2016 to 2025

$4.6Kin total
  • Food and beverage$4,603100%
  • Gifts$50%
  • Education$50%

Companies that paid Dr. Santiesteban the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Santiesteban

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

Dr. Hector Luis Santiesteban graduated from Emory School of Medicine

Dr. Santiesteban graduated from Emory School of Medicine in 1984.

  1. Medical schoolEmory School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Hector Luis Santiesteban accepts plans from 13 insurance carriers

Dr. Santiesteban is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Santiesteban accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO6
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Hector Luis Santiesteban'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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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. Hector Luis Santiesteban

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. Hector Luis Santiesteban's NPI number?

Dr. Hector Luis Santiesteban's NPI number is 1245235738. It was assigned on June 20, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Hector Luis Santiesteban?

Dr. Hector Luis Santiesteban is a nephrologist in South San Francisco, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Hector Luis Santiesteban practice?

Dr. Santiesteban practices at 1200 El Camino Real, South San Francisco, CA 94080. Dr. Santiesteban's primary practice is Kaiser Permanente South San Francisco Medical Center in South San Francisco, California, part of Kaiser Permanente. Dmand AI also links Dr. Santiesteban to 4 hospitals, 4 dialysis centers, 2 group practices and clinics and 1 medical group.

What is Dr. Hector Luis Santiesteban's office phone number?

The practice phone on file for Dr. Santiesteban is (650) 742-3200.

What is Dr. Hector Luis Santiesteban's medical license number?

Dr. Santiesteban holds California license G60085, one of the licenses on file in 2 states.

Which states has Dr. Hector Luis Santiesteban been licensed in?

Dmand AI has state licenses on file for Dr. Santiesteban in California (1987 to 2026) and Ohio (1985 to 2006).

Which hospitals is Dr. Hector Luis Santiesteban affiliated with?

Dr. Santiesteban practices at Kaiser Permanente South San Francisco Medical Center in South San Francisco, California. Dr. Santiesteban is also affiliated with San Mateo Medical Center. Dmand AI links Dr. Santiesteban to 4 more hospitals.

What medical group is Dr. Hector Luis Santiesteban part of?

Dr. Santiesteban is linked to San Mateo Medical Center. Dmand AI links Dr. Santiesteban to 1 more medical group.

Does Dr. Hector Luis Santiesteban accept Medicare?

Yes. CMS data shows Dr. Santiesteban billed Medicare for 343 services in 2024, and Dr. Santiesteban accepts Medicare assignment.

How many Medicare patients does Dr. Hector Luis Santiesteban see?

CMS counts 95 Medicare patients who saw Dr. Santiesteban in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

Is Dr. Hector Luis Santiesteban board certified?

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

What services does Dr. Hector Luis Santiesteban bill to Medicare?

In 2024, Dr. Santiesteban's most billed Medicare services were hospital inpatient care (99233), dialysis (90960) and hospital inpatient care (99232).

Where did Dr. Hector Luis Santiesteban go to medical school?

Dr. Santiesteban graduated from Emory School of Medicine in 1984.

What drugs does Dr. Hector Luis Santiesteban prescribe most?

In 2024 Medicare Part D data, Dr. Santiesteban's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Tartrate and Torsemide.

Has Dr. Hector Luis Santiesteban received payments from drug or device companies?

CMS Open Payments shows $4,612 in general payments to Dr. Santiesteban from 30 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Hector Luis Santiesteban been practicing?

Dr. Santiesteban graduated from medical school in 1984, 42 years ago.

What insurance does Dr. Hector Luis Santiesteban accept?

Dr. Santiesteban is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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