Richard J. Ferolo, MD
Specialist · Lake Barrington, IL
Richard J. Ferolo, MD is a specialist with a practice address in Lake Barrington, Illinois, and NPI 1750436952, issued on Jan 25, 2007. Check the license (Illinois 036071510, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard J. Ferolo
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 036071510 IL
Self-reported in NPPES; status is on the state search - Practice location
- 22285 N Pepper RD Ste 211, Lake Barrington, IL 60010
- Phone
- (847) 277-9700
- Enumerated
- Jan 25, 2007
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 277-9708
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,154 in Illinois → Look up another NPI →
Verify Richard J. Ferolo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 036071510Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average specialist in 2024
411 Medicare Part D claims for 80 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Most prescribed
- Sertraline Hcl46 claims
- Montelukast Sodium26 claims
- Pravastatin Sodium25 claims
- Dexlansoprazole Dr23 claims
- Famotidine23 claims
- Atorvastatin Calcium20 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.
Richard J. Ferolo among 1,154 specialist records in Illinois
Richard J. Ferolo, MD is one of 1,154 specialist records with a practice address in Illinois. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 37% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2021 · 84% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 specialist records list a practice address in Lake Barrington
They are 3 of the 152 NPPES records with a practice address in Lake Barrington, and 1,154 specialist records in Illinois.
All 1,154 in Illinois → Every provider in Lake Barrington → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Jessica Basant-Ritter, M.ED.Barrington, IL 600101689851511
- Dympna Coll, MDBarrington, IL 600101972531549
- Julie Dohr, MDBarrington, IL 600101063440626
- Anthony Garofalo, ATCBarrington, IL 600101427025543
- Dale Giolas, M.D.Barrington, IL 600101417060120
- Beth Kamensky, OT, CHTBarrington, IL 600101306058623
- Jeanne Novas, MDBarrington, IL 600101235160433
- Jack Perlmutter, M.D.Lake Barrington, IL 600101578559019
Common questions
What is Richard J. Ferolo, MD's NPI number?
Richard J. Ferolo, MD's National Provider Identifier (NPI) is 1750436952, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Richard J. Ferolo, MD located?
The NPPES record lists a practice address at 22285 N Pepper RD Ste 211, Lake Barrington, IL, 60010. Phone: (847) 277-9700. Providers update this record themselves, so call before visiting.
How can I verify Richard J. Ferolo, MD's license?
NPPES lists Illinois license number 036071510, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Richard J. Ferolo, MD prescribe under Medicare Part D?
In 2024, Richard J. Ferolo, MD had 411 Medicare Part D claims for 80 beneficiaries; the average among specialist prescribers was 1,380. 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.