NPPES file of Aug 9, 2026

Rexanne Lagare Caga-Anan, M.D.

Internal Medicine Physician · Springfield, IL

Rexanne Lagare Caga-Anan, M.D. is an internal medicine physician with a practice address in Springfield, Illinois, and NPI 1386933877, issued on Apr 5, 2011. Check the license (Illinois 036-135782, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1386933877
Name
Rexanne Lagare Caga-Anan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036-135782 IL
Self-reported in NPPES; status is on the state search
Practice location
751 N Rutledge St, Springfield, IL 62702
Phone
(217) 545-8000
Enumerated
Apr 5, 2011
Record last updated
Dec 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(217) 545-4735
Medicaid ID
036135782 IL
Medicare enrollment
Enrolled (PECOS I20140826001327); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →

Also registered at 751 N Rutledge St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amro Abu Shanab, MDNeurology Physician1508598137
  2. Kabiyadi Acharya, M.D.Neurology Physician1871584599
  3. Nicholas Ahn, M.D.Internal Medicine Physician1376983346
  4. Emmanuel Akano, MDNeurology Physician1760744528
  5. Suzan Al Gharaibeh, M.D.Endocrinology, Diabetes & Metabolism Physician1235345539
  6. Hayder Al Khafaji, MDPulmonary Disease Physician1790360774

Verify Rexanne Lagare Caga-Anan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-135782    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
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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28% more Medicare Part D claims than the average internal medicine physician in 2024

4,053 Medicare Part D claims for 343 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 30 claims were for opioids.

  1. Rexanne Caga-Anan4,053
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium415 claims
  2. Amlodipine Besylate212 claims
  3. Omeprazole149 claims
  4. Lisinopril146 claims
  5. Pantoprazole Sodium133 claims
  6. Albuterol Sulfate Hfa112 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 one group practice

  1. Board OF Trustees OF Southern Illinois UniversitySpringfield, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rexanne Lagare Caga-Anan among 7,238 internal medicine physician records in Illinois

Rexanne Lagare Caga-Anan, M.D. 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 2011, is newer than 53% of them.

  • NPI issued2011 · 53% of these records are older, 45% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2008 · 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).

196 internal medicine physician records list a practice address in Springfield

They are 196 of the 4,997 NPPES records with a practice address in Springfield, and 7,238 internal medicine physician records in Illinois.

All 7,238 in Illinois → Every provider in Springfield → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lisa Benning, M.D.Springfield, IL 627021689672289
  2. Erik Constance, M.D.Springfield, IL 627021427033497
  3. Alan Deckard, M.D.Springfield, IL 627021104801190
  4. Nicole Florence, M.D.Springfield, IL 627021811983851
  5. Susan Hingle, MDSpringfield, IL 627021124003124
  6. Larry Holder, M.D.Springfield, IL 627021417914326
  7. Praveen Kandula, M.D.Springfield, IL 627021912982919
  8. Regina Kovach, M.D.Springfield, IL 627021164407169

Common questions

What is Rexanne Lagare Caga-Anan, M.D.'s NPI number?

Rexanne Lagare Caga-Anan, M.D.'s National Provider Identifier (NPI) is 1386933877, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Rexanne Lagare Caga-Anan, M.D. located?

The NPPES record lists a practice address at 751 N Rutledge St, Springfield, IL, 62702. Phone: (217) 545-8000. Providers update this record themselves, so call before visiting.

How can I verify Rexanne Lagare Caga-Anan, M.D.'s license?

NPPES lists Illinois license number 036-135782, 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 Rexanne Lagare Caga-Anan, M.D. prescribe under Medicare Part D?

In 2024, Rexanne Lagare Caga-Anan, M.D. had 4,053 Medicare Part D claims for 343 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.

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.