GERALDINE MANIAGO DELOS SANTOS D.O.
NPI 1942658380
Family Medicine in Sycamore, IL

Active since May 26, 2016PECOS EnrolledAccepts Medicare Assignment
1850 GATEWAY DR STE 103, SYCAMORE, IL 60178(815) 758-8671(815) 756-4892 Get Directions Write a Review

NPPES record last updated: May 15, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: May 15, 2025, Apr 3, 2024, Jul 11, 2022 and 1 more (4 updates tracked since 2019).

About Geraldine Maniago Delos Santos D.o. NPPES

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

GERALDINE MANIAGO DELOS SANTOS D.O. (NPI 1942658380) is an individual family medicine provider in Sycamore, Illinois, licensed in Illinois (036149569) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (2016).

NPPES Registry Identity

NPI1942658380
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameGERALDINE MANIAGO DELOS SANTOSCredential: D.O.
Location Address1850 GATEWAY DR STE 103Sycamore, IL 60178-3192
Mailing Address1850 Gateway Dr Ste 103Sycamore, IL 60178-3192 · (815) 758-8671 · Fax (815) 756-4892
Fax(815) 756-4892
Sole ProprietorNo
Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 2016
Enumeration DateMay 26, 2016
Last NPPES UpdateMay 15, 20254 updates tracked since enumeration
NPPES CertifiedMay 15, 2025
NPI 1942658380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in IL · 036149569
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1850 GATEWAY DR STE 103, Sycamore, IL 60178

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Geraldine Maniago Delos Santos D.o. 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 ID2365736204
PECOS Enrollment IDI20190830000017
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.

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE017N)

    Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)

    13 DME suppliers used 28 Medicare Claims 120 Services Paid

  • DME-Medical/Surgical Supplies (DA000N)

    Lancets, per box of 100 (HCPCS:A4259)

    6 DME suppliers used 13 Medicare Claims 33 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Administration of influenza virus vaccine

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

This service was performed 28 times for 28 patients

Advance care planning, first 30 minutes

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

This service was performed 19 times for 19 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

This service was performed 55 times for 55 patients

Blood test, basic group of blood chemicals (calcium, total)

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

This service was performed 13 times for 11 patients

Blood test, comprehensive group of blood chemicals

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

This service was performed 31 times for 31 patients

Blood test, lipids (cholesterol and triglycerides)

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

This service was performed 31 times for 31 patients

Blood test, thyroid stimulating hormone (tsh)

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

This service was performed 29 times for 29 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

This service was performed 37 times for 33 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 26 times for 25 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 64 times for 62 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 244 times for 197 patients

Hemoglobin a1c level

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

This service was performed 23 times for 23 patients

Influenza vaccine split virus, preservative free

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

This service was performed 23 times for 23 patients

Insertion of needle into vein for collection of blood sample

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

This service was performed 55 times for 44 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

This service was performed 15 times for 15 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $21.42 for a new patient copayment and $24.31 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 60178 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $85.71
  • Minimum New Patient Price $54.8
  • Maximum New Patient Price $168.44
  • Average New Patient Copayment $21.42
  • Minimum New Patient Copayment $13.7
  • Maximum New Patient Copayment $42.11

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $97.25
  • Minimum Established Patient Price $17.16
  • Maximum Established Patient Price $136.56
  • Average Established Patient Copayment $24.31
  • Minimum Established Patient Copayment $4.29
  • Maximum Established Patient Copayment $34.14

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Geraldine Delos Santos is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
NORTHWESTERN MEDICINE MCHENRY4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050
(815) 344-5000Acute Care Hospitals
NORTHWESTERN MEDICINE DELNOR COMMUNITY HOSPITAL300 RANDALL RD
GENEVA, IL 60134
(630) 208-3000Acute Care Hospitals
NORTHWESTERN MEDICINE CENTRAL DUPAGE HOSPITAL25 NORTH WINFIELD ROAD
WINFIELD, IL 60190
(630) 682-1600Acute Care Hospitals
NORTHWESTERN MEDICINE KISHWAUKEE HOSPITALONE KISH HOSPITAL DRIVE
DEKALB, IL 60115
(815) 756-1521Acute Care Hospitals

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Nurse Practitioner
1850 GATEWAY DR STE 103
SYCAMORE, IL 60178
Family Medicine
1850 GATEWAY DR STE 103
SYCAMORE, IL 60178
Nurse Practitioner
1850 GATEWAY DR STE 103
SYCAMORE, IL 60178
Family Medicine (Sports Medicine)
1850 GATEWAY DR STE 103
SYCAMORE, IL 60178
Nurse Practitioner
1850 GATEWAY DR STE 103
SYCAMORE, IL 60178

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942658380, enumerated as an "individual" on May 26, 2016.

The provider is located at 1850 GATEWAY DR STE 103 SYCAMORE, IL 60178 and the phone number is (815) 758-8671.

Family Medicine with taxonomy code 207Q00000X.

Geraldine Delos Santos is affiliated with: NORTHWESTERN MEDICINE MCHENRY, NORTHWESTERN MEDICINE DELNOR COMMUNITY HOSPITAL, NORTHWESTERN MEDICINE CENTRAL DUPAGE HOSPITAL and NORTHWESTERN MEDICINE KISHWAUKEE HOSPITAL.