Mary Shiellah Blancaflor James, N.P.
Family Nurse Practitioner · Downers Grove, IL
Mary Shiellah Blancaflor James, N.P. is a family nurse practitioner with a practice address in Downers Grove, Illinois, and NPI 1639415979, issued on Dec 13, 2012. Check the license (Illinois 277.000750, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Shiellah Blancaflor James
- Credential
- N.P.
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 277.000750 IL
28227760A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3825 Highland Ave FL 4, Downers Grove, IL 60515
- Phone
- (630) 719-4799
- Enumerated
- Dec 13, 2012
- Record last updated
- Aug 5, 2025
- Fax
- (630) 963-7420
- Medicare enrollment
- Enrolled (PECOS I20130327000544); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 3825 Highland Ave FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Taiylor TagliereNurse Practitioner1174340681
Verify Mary Shiellah Blancaflor James in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 277.000750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family nurse practitioner in 2024
164 Medicare Part D claims for 34 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Furosemide39 claims
- Spironolactone31 claims
- Jardiance20 claims
- Potassium Chloride18 claims
- Entresto15 claims
- Losartan Potassium12 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: $118.66
6 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationDowners Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Shiellah Blancaflor James among 7,639 family nurse practitioner records in Illinois
Mary Shiellah Blancaflor James, N.P. is one of 7,639 family nurse practitioner 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 2012, is newer than 14% of them.
- NPI issued2012 · 14% of these records are older, 83% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2018 among the 4,778 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
83 family nurse practitioner records list a practice address in Downers Grove
They are 83 of the 1,899 NPPES records with a practice address in Downers Grove, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Downers Grove → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Patricia Austermuehle, RNDowners Grove, IL 605151972696136
- Dana Beyers, CNPDowners Grove, IL 605151255664447
- Angela Bower, DNP, FNP-BCDowners Grove, IL 605151952514473
- Erin Carli, NP-CDowners Grove, IL 605151912256702
- Sharron Chivari, RN, MSN, APRNDowners Grove, IL 605151861628703
- Corrina Cole, FNPDowners Grove, IL 605151427082924
- Tracie Cook, NPCDowners Grove, IL 605151679633853
- Suzanne Euliano, APNDowners Grove, IL 605151679898639
Common questions
What is Mary Shiellah Blancaflor James, N.P.'s NPI number?
Mary Shiellah Blancaflor James, N.P.'s National Provider Identifier (NPI) is 1639415979, issued on Dec 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mary Shiellah Blancaflor James, N.P. located?
The NPPES record lists a practice address at 3825 Highland Ave FL 4, Downers Grove, IL, 60515. Phone: (630) 719-4799. Providers update this record themselves, so call before visiting.
How can I verify Mary Shiellah Blancaflor James, N.P.'s license?
NPPES lists Illinois license number 277.000750, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Shiellah Blancaflor James, N.P. prescribe under Medicare Part D?
In 2024, Mary Shiellah Blancaflor James, N.P. had 164 Medicare Part D claims for 34 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.