Erica J. Klaw, PA-C
Physician Assistant · Chicago, IL
Erica J. Klaw, PA-C is a physician assistant with a practice address in Chicago, Illinois, and NPI 1215918230, issued on Nov 8, 2005. Check the license (Illinois 085-001472, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erica J. Klaw
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 085-001472 IL
085001472 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4025 N Western Ave Bldg E, Chicago, IL 60618
- Phone
- (773) 725-7700
- Enumerated
- Nov 8, 2005
- Record last updated
- Sep 2, 2025
- Fax
- (773) 279-6504
- Medicare enrollment
- Enrolled (PECOS I20081024000305); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 4025 N Western Ave Bldg E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Erica J. Klaw in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085-001472Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average physician assistant in 2024
339 Medicare Part D claims for 243 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate38 claims
- Amoxicillin23 claims
- Cephalexin19 claims
- Doxycycline Hyclate19 claims
- Sulfamethoxazole-Trimethoprim18 claims
- Nitrofurantoin Mono-Macro16 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 2 group practices
- Advocate Health And Hospitals CorporationBuffalo Grove, IL
- Northwestern Medical Faculty FoundationGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erica J. Klaw among 4,926 physician assistant records in Illinois
Erica J. Klaw, PA-C is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2000 · median 2019 among the 3,407 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,445 physician assistant records list a practice address in Chicago
They are 1,445 of the 63,379 NPPES records with a practice address in Chicago, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Chicago → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Tara Behnke, PA-CChicago, IL 606181598204760
- Michael CowieChicago, IL 606181275392714
- Morgan Crandall, PAChicago, IL 606181699137869
- John Jeske, PAChicago, IL 606181487693131
- Van LeChicago, IL 606181689067357
- Constance McFarland, PA-CChicago, IL 606181235444258
- Michael Morrissette, PA-CChicago, IL 606181265883953
- Joseph Mountain, PA-CChicago, IL 606181205688967
Common questions
What is Erica J. Klaw, PA-C's NPI number?
Erica J. Klaw, PA-C's National Provider Identifier (NPI) is 1215918230, issued on Nov 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Erica J. Klaw, PA-C located?
The NPPES record lists a practice address at 4025 N Western Ave Bldg E, Chicago, IL, 60618. Phone: (773) 725-7700. Providers update this record themselves, so call before visiting.
How can I verify Erica J. Klaw, PA-C's license?
NPPES lists Illinois license number 085-001472, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Erica J. Klaw, PA-C prescribe under Medicare Part D?
In 2024, Erica J. Klaw, PA-C had 339 Medicare Part D claims for 243 beneficiaries; the average among physician assistant prescribers was 830. 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.