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DR. HECTOR LUIS SANTIESTEBAN MEDICAL DOCTOR
NPI 1245235738
Internal Medicine - Nephrology in Daly City, CA

Active since June 20, 2005PECOS EnrolledAccepts Medicare Assignment
1800 SULLIVAN AVE RM 507, DALY CITY, CA 94015(650) 472-9667(650) 745-7250 Get Directions Write a Review

NPPES record last updated: March 13, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 13, 2025, Mar 4, 2025, Mar 2, 2016 and 1 more (4 updates tracked since 2015).

About Dr. Hector Luis Santiesteban Medical Doctor NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HECTOR LUIS SANTIESTEBAN MEDICAL DOCTOR (NPI 1245235738) is an individual nephrology provider in Daly City, California, licensed in California (G60085) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (1984).

NPPES Registry Identity

NPI1245235738
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. HECTOR LUIS SANTIESTEBANCredential: MEDICAL DOCTOR
Location Address1800 SULLIVAN AVE RM 507Daly City, CA 94015-2225
Mailing Address1800 Sullivan Ave Rm 507Daly City, CA 94015-2225 · (415) 573-4166 · Fax (650) 745-7250
Phone(650) 472-9667
Fax(650) 745-7250
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 1984
Enumeration DateJune 20, 2005
Last NPPES UpdateMarch 13, 20254 updates tracked since enumeration
NPPES CertifiedMarch 13, 2025
✔ NPI 1245235738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · G60085
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1800 SULLIVAN AVE RM 507, Daly City, CA 94015
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Hector Luis Santiesteban Medical Doctor is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799713657
PECOS Enrollment IDI20050801001166
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Hector Santiesteban reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of San Mateo
0.7 mi
Multi-Specialty
380 90TH ST
Daly City, CA 94015
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1780753434 (California), NPI 1831268580 (California)
  • 597 clinicians in this Medicare group
NPI 1255400909 (650) 573-2222
San Mateo Dialysis Associates
7.9 mi
Nephrology
1750 EL CAMINO REAL, 15
Burlingame, CA 94010
  • Reassigned Medicare billing, California enrollment
  • 14 clinicians in this Medicare group
NPI 1275604183 (650) 692-6302

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
97 services37 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
88 services12 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
76 services27 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
59 services49 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
23 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
99%169 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
100%1,159 patients5/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
33%54 patients2/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%25 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
11%96 patients1/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
33%54 patients2/55-star benchmark: 90%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
18%95 patients1/55-star benchmark: 97%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
26%85 patients2/55-star benchmark: 96%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 49% · 45 patients
53%45 patients
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
15%96 patients1/55-star benchmark: 100%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 2% · 54 patients
9%54 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GERALD SYDORAK M.D.
Surgery (Vascular Surgery)
1800 SULLIVAN AVE RM 507
DALY CITY, CA 94015
San Mateo County (650) 697-7003

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hector Santiesteban's NPI number?

The NPI number for Hector Santiesteban is 1245235738. It was assigned to this individual provider in the NPPES registry on June 20, 2005.

Where is Hector Santiesteban located?

Hector Santiesteban practices at 1800 Sullivan Ave Rm 507, Daly City, CA 94015. The listed phone number is (650) 472-9667.

What is Hector Santiesteban's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Hector Santiesteban enrolled in Medicare?

Yes. Hector Santiesteban is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Hector Santiesteban's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hector Santiesteban reassigns Medicare benefits to 2 organizations: County Of San Mateo (Daly City, CA) and San Mateo Dialysis Associates (Burlingame, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hector Santiesteban's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hector Santiesteban was last updated on March 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.