Geraldine Maniago Delos Santos, D.O.
Family Medicine Physician · Sycamore, IL
Geraldine Maniago Delos Santos, D.O. is a family medicine physician with a practice address in Sycamore, Illinois, and NPI 1942658380, issued on May 26, 2016. Check the license (Illinois 036149569, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Geraldine Maniago Delos Santos
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036149569 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1850 Gateway Dr Ste 103, Sycamore, IL 60178
- Phone
- (815) 758-8671
- Enumerated
- May 26, 2016
- Record last updated
- May 15, 2025
- Fax
- (815) 756-4892
- Medicare enrollment
- Enrolled (PECOS I20190830000017); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1850 Gateway Dr Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Geraldine Maniago Delos Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036149569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average family medicine physician in 2024
3,216 Medicare Part D claims for 591 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 48 claims were for opioids.
Most prescribed
- Levothyroxine Sodium182 claims
- Atorvastatin Calcium179 claims
- Amlodipine Besylate158 claims
- Metoprolol Succinate127 claims
- Lisinopril94 claims
- Rosuvastatin Calcium91 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.
Bills Medicare through one group practice
- Central Dupage Physician GroupSycamore, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geraldine Maniago Delos Santos among 6,215 family medicine physician records in Illinois
Geraldine Maniago Delos Santos, D.O. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 70% of them.
- NPI issued2016 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2006 among the 3,714 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 family medicine physician records list a practice address in Sycamore
They are 20 of the 549 NPPES records with a practice address in Sycamore, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Sycamore → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jamison Allen, D.O.Sycamore, IL 601781184614760
- Christina Andre, DOSycamore, IL 601781831684729
- Daniel Bade, DOSycamore, IL 601781376631077
- William Baxter, DOSycamore, IL 601781063496875
- Rida Choudhry, M.DSycamore, IL 601781780389494
- Lisa Crutcher, M.D.Sycamore, IL 601781841261013
- Karen Federici, MDSycamore, IL 601781013936061
- Asra Khan, MDSycamore, IL 601781023018322
Common questions
What is Geraldine Maniago Delos Santos, D.O.'s NPI number?
Geraldine Maniago Delos Santos, D.O.'s National Provider Identifier (NPI) is 1942658380, issued on May 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Geraldine Maniago Delos Santos, D.O. located?
The NPPES record lists a practice address at 1850 Gateway Dr Ste 103, Sycamore, IL, 60178. Phone: (815) 758-8671. Providers update this record themselves, so call before visiting.
How can I verify Geraldine Maniago Delos Santos, D.O.'s license?
NPPES lists Illinois license number 036149569, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Geraldine Maniago Delos Santos, D.O. prescribe under Medicare Part D?
In 2024, Geraldine Maniago Delos Santos, D.O. had 3,216 Medicare Part D claims for 591 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.