NPPES file of Aug 9, 2026

Regina M. Mahmood, NP-C

Adult Health Nurse Practitioner · Elgin, IL

Regina M. Mahmood, NP-C is an adult health nurse practitioner with a practice address in Elgin, Illinois, and NPI 1184798175, issued on Nov 20, 2006. Check the license (Illinois 209006095, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184798175
Name
Regina M. Mahmood
Credential
NP-C
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
209006095 IL
Self-reported in NPPES; status is on the state search
Practice location
1000 Inglewood LN, Elgin, IL 60120
Phone
(630) 398-1935
Enumerated
Nov 20, 2006
Record last updated
Dec 4, 2018 (not updated in 8 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest adult health nurse practitioner records → All 743 in Illinois → Look up another NPI →

Verify Regina M. Mahmood in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209006095    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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90% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

129 Medicare Part D claims for 48 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.

  1. Regina Mahmood129
  2. Specialty average1,280

Most prescribed

  1. Albuterol Sulfate Hfa13 claims
  2. Amlodipine Besylate12 claims
  3. Fluticasone Propionate11 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.

Regina M. Mahmood among 743 adult health nurse practitioner records in Illinois

Regina M. Mahmood, NP-C is one of 743 adult health nurse practitioner records with a practice address in Illinois. 65% 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 under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 83% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2018 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Illinois

There are 743 adult health nurse practitioner records in Illinois.

All 743 in Illinois → Every provider in Elgin → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Wilson Fong, N.P.Elgin, IL 601201558534008
  2. Luci Sabala, N.P.Elgin, IL 601201558446807
  3. Aurora Sauceda, AGNP-CElgin, IL 601201871483008
  4. Sharon Walicek, APN, NP-BC, CCNSElgin, IL 601201184614737
  5. Tobi Adeoti, NPElgin, IL 601231720534316
  6. Jennifer Barham, ANP-BCElgin, IL 601231184987497
  7. Judith Castro, APNElgin, IL 601231437597226
  8. Alyssa Cowing, APNElgin, IL 601231013722446

Common questions

What is Regina M. Mahmood, NP-C's NPI number?

Regina M. Mahmood, NP-C's National Provider Identifier (NPI) is 1184798175, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Regina M. Mahmood, NP-C located?

The NPPES record lists a practice address at 1000 Inglewood LN, Elgin, IL, 60120. Phone: (630) 398-1935. Providers update this record themselves, so call before visiting.

How can I verify Regina M. Mahmood, NP-C's license?

NPPES lists Illinois license number 209006095, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Regina M. Mahmood, NP-C prescribe under Medicare Part D?

In 2024, Regina M. Mahmood, NP-C had 129 Medicare Part D claims for 48 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.