Hector Santiesteban, MEDICAL DOCTOR
Nephrology Physician · Daly City, CA
Hector Santiesteban, MEDICAL DOCTOR is a nephrology physician with a practice address in Daly City, California, and NPI 1245235738, issued on Jun 20, 2005. Check the license (California G60085, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hector Santiesteban
- Credential
- MEDICAL DOCTOR
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G60085 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Sullivan Ave RM 507, Daly City, CA 94015
- Phone
- (650) 472-9667
- Enumerated
- Jun 20, 2005
- Entity
- Type 1 · individual
Also registered at 1800 Sullivan Ave RM 507
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gerald Sydorak, M.D.Surgery Physician1619019312
Verify Hector Santiesteban in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G60085Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
53% fewer Medicare Part D claims than the average nephrology physician in 2024
710 Medicare Part D claims for 128 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium36 claims
- Metoprolol Tartrate33 claims
- Torsemide32 claims
- Lisinopril29 claims
- Cinacalcet Hcl26 claims
- Amlodipine Besylate25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $58.56
2 payments, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 6,365 providers of this specialty with any payment received $3,068.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- County OF San MateoSan Mateo, CA
- San Mateo Dialysis AssociatesBurlingame, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Nephrology Physician providers in California
There are 1,165 nephrology physician records in California.
Other nephrology physician records in California
- Antoine Abcar, MDLos Angeles, CA1245301159
- Basmah Abdalla, M.D.Los Angeles, CA1629394002
- Omaran Abdeen, M.D.Mission Hills, CA1700878410
- Anas Abou-Ismail, MDPalm Springs, CA1598078784
- Sreedhar Adapa, M.D.Visalia, CA1881997872
- Gbemisola Adenuga, M.D.Los Angeles, CA1952464661
- Adegbenga Adetola, MDLynwood, CA1881776219
- Judy Adler, M.D.San Diego, CA1326043894
- Sharon Adler, M.D.Torrance, CA1467431122
- Maryam Afkarian, M.D., PH.D.Sacramento, CA1255387338
Common questions
What is Hector Santiesteban, MEDICAL DOCTOR's NPI number?
Hector Santiesteban, MEDICAL DOCTOR's National Provider Identifier (NPI) is 1245235738, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Hector Santiesteban, MEDICAL DOCTOR located?
The NPPES record lists a practice address at 1800 Sullivan Ave RM 507, Daly City, CA, 94015. Phone: (650) 472-9667. Providers update this record themselves, so call before visiting.
How can I verify Hector Santiesteban, MEDICAL DOCTOR's license?
NPPES lists California license number G60085, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hector Santiesteban, MEDICAL DOCTOR prescribe under Medicare Part D?
In 2024, Hector Santiesteban, MEDICAL DOCTOR had 710 Medicare Part D claims for 128 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.