Erin Lark
Family Nurse Practitioner · Chicago, IL
Erin Lark is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1871983288, issued on Jan 23, 2015. Check the license (Illinois 209-012493, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin Lark
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 209-012493 IL
4704347823 MI
Self-reported in NPPES; status is on the state search - Practice location
- 840 W Irving Park RD, Chicago, IL 60613
- Phone
- (872) 206-2813
- Enumerated
- Jan 23, 2015
- Record last updated
- Jan 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20190221002030); 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 840 W Irving Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adeshalewa Ademoyo-OpakunleFamily Nurse Practitioner1891983524
- Richard Ahuja, MDOphthalmology Physician1346293438
- Lauren Appelson, LSWSocial Worker1811739881
- Cielo Belingon-Suerte, MCPediatrics Physician1811078694
- Michele BeyFamily Nurse Practitioner1295159846
- Caroline Bloomquist, LSWSocial Worker1649120155
Verify Erin Lark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209-012493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family nurse practitioner in 2024
91 Medicare Part D claims for 59 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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 4 group practices
- Epmg OF Michigan PCYpsilanti, MI
- Mclaren Hospital GroupMt Pleasant, MI
- Mclaren Medical GroupMt Pleasant, MI
- Port City Emergency Physicians LLPHamilton, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin Lark among 7,639 family nurse practitioner records in Illinois
Erin Lark 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 2015, is newer than 24% of them.
- NPI issued2015 · 24% of these records are older, 70% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2018 among the 4,778 with a school on file
- Record last updated2026 · 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).
1,567 family nurse practitioner records list a practice address in Chicago
They are 1,567 of the 63,379 NPPES records with a practice address in Chicago, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Chicago → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Cecilia Ackmann, APN, CNPChicago, IL 606131649284357
- Adeshalewa Ademoyo-OpakunleChicago, IL 606131891983524
- Michele BeyChicago, IL 606131295159846
- Jessica Horwitz, FNPChicago, IL 606131184972473
- Laura Hudson, FNP-BCChicago, IL 606131730584368
- Cynthia Jaffe, DC-NP-CChicago, IL 606131699854778
- Susan Kurtenbach, APNChicago, IL 606131538173240
- Annie MoyChicago, IL 606131457752743
Common questions
What is Erin Lark's NPI number?
Erin Lark's National Provider Identifier (NPI) is 1871983288, issued on Jan 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Erin Lark located?
The NPPES record lists a practice address at 840 W Irving Park RD, Chicago, IL, 60613. Phone: (872) 206-2813. Providers update this record themselves, so call before visiting.
How can I verify Erin Lark's license?
NPPES lists Illinois license number 209-012493, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Erin Lark prescribe under Medicare Part D?
In 2024, Erin Lark had 91 Medicare Part D claims for 59 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.