Erin Brigid Alcazar, FNP
Family Nurse Practitioner · East Saint Louis, IL
Erin Brigid Alcazar, FNP is a family nurse practitioner with a practice address in East Saint Louis, Illinois, and NPI 1457698607, issued on Jan 8, 2013. Check the license (Illinois 209013690, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin Brigid Alcazar
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 209013690 IL
2013000997 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2420 State St, East Saint Louis, IL 62205
- Phone
- (618) 318-8809
- Enumerated
- Jan 8, 2013
- Record last updated
- Mar 22, 2023
- Fax
- (618) 615-4205
- Medicare enrollment
- Enrolled (PECOS I20160205002483); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 2420 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donna Avery, NPFamily Nurse Practitioner1114446515
- Alicia CollierProfessional Counselor1851866610
- Terica Meeks, NPGerontology Nurse Practitioner1285056713
- Kimberly MitchellFamily Nurse Practitioner1700350170
- Tiffany Tate-Woodard, AGNPGerontology Nurse Practitioner1639719230
Verify Erin Brigid Alcazar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209013690Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,128 Medicare Part D claims for 514 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 61 claims were for opioids.
Most prescribed
- Atorvastatin Calcium257 claims
- Amlodipine Besylate193 claims
- Albuterol Sulfate Hfa144 claims
- Gabapentin123 claims
- Lisinopril112 claims
- Losartan Potassium82 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
- Emergency Services Midwest SCBelleville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin Brigid Alcazar among 7,639 family nurse practitioner records in Illinois
Erin Brigid Alcazar, FNP 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 2013, is newer than 17% of them.
- NPI issued2013 · 17% of these records are older, 80% 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 updated2023 · 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).
16 family nurse practitioner records list a practice address in East Saint Louis
They are 16 of the 118 NPPES records with a practice address in East Saint Louis, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in East Saint Louis → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Cheryl Acker, FNPEast Saint Louis, IL 622051730232083
- Donna Avery, NPEast Saint Louis, IL 622051114446515
- Christa Holmon, APN, NP-CEast Saint Louis, IL 622051710406962
- Denise Krone, FNP,BCEast Saint Louis, IL 622051902163942
- Kelli May, FNP-CEast Saint Louis, IL 622051528793148
- Kimberly MitchellEast Saint Louis, IL 622051700350170
- Kayla Pryor, APRNEast Saint Louis, IL 622051093345415
- Charles Scheer, NPEast Saint Louis, IL 622051346333192
Common questions
What is Erin Brigid Alcazar, FNP's NPI number?
Erin Brigid Alcazar, FNP's National Provider Identifier (NPI) is 1457698607, issued on Jan 8, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Erin Brigid Alcazar, FNP located?
The NPPES record lists a practice address at 2420 State St, East Saint Louis, IL, 62205. Phone: (618) 318-8809. Providers update this record themselves, so call before visiting.
How can I verify Erin Brigid Alcazar, FNP's license?
NPPES lists Illinois license number 209013690, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Erin Brigid Alcazar, FNP prescribe under Medicare Part D?
In 2024, Erin Brigid Alcazar, FNP had 3,128 Medicare Part D claims for 514 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.