Della Mathew, MD
Internal Medicine Physician · Buffalo Grove, IL
Della Mathew, MD is an internal medicine physician with a practice address in Buffalo Grove, Illinois, and NPI 1629028428, issued on May 11, 2006. Check the license (Illinois 036-109903, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Della Mathew
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-109903 IL
Self-reported in NPPES; status is on the state search - Practice location
- 150 W Half Day RD, Buffalo Grove, IL 60089
- Phone
- (847) 955-1144
- Enumerated
- May 11, 2006
- Record last updated
- Jan 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 955-1166
- Medicare enrollment
- Enrolled (PECOS I20150522002015); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 150 W Half Day RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tamara Gurevich, M.D.Physical Medicine & Rehabilitation Physician1336227503
Verify Della Mathew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-109903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average internal medicine physician in 2024
11,716 Medicare Part D claims for 330 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 54 claims were for opioids.
Most prescribed
- Atorvastatin Calcium699 claims
- Gabapentin544 claims
- Losartan Potassium437 claims
- Amlodipine Besylate421 claims
- Pantoprazole Sodium418 claims
- Mirtazapine331 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: $277.55
14 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Katikaneni S MD PADallas, TX
- Shalini Katikaneni MD PALewisville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Della Mathew among 7,238 internal medicine physician records in Illinois
Della Mathew, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1996 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in Buffalo Grove
They are 24 of the 868 NPPES records with a practice address in Buffalo Grove, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Buffalo Grove → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Charman, M.D.Buffalo Grove, IL 600891346228954
- Mark Charman, M.D.Buffalo Grove, IL 600891033197637
- Stuart Ferber, M.D.Buffalo Grove, IL 600891952389413
- Irina Goldvekht, D.O.Buffalo Grove, IL 600891154309755
- Thomas Heggen, MDBuffalo Grove, IL 600891710974860
- Gabriel Kibrit, MDBuffalo Grove, IL 600891477531937
- Carl Lang, M.D.Buffalo Grove, IL 600891730167339
- Wendi Marcus, M.D.Buffalo Grove, IL 600891548249113
Common questions
What is Della Mathew, MD's NPI number?
Della Mathew, MD's National Provider Identifier (NPI) is 1629028428, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Della Mathew, MD located?
The NPPES record lists a practice address at 150 W Half Day RD, Buffalo Grove, IL, 60089. Phone: (847) 955-1144. Providers update this record themselves, so call before visiting.
How can I verify Della Mathew, MD's license?
NPPES lists Illinois license number 036-109903, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Della Mathew, MD prescribe under Medicare Part D?
In 2024, Della Mathew, MD had 11,716 Medicare Part D claims for 330 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.