NPPES file of Aug 9, 2026

Paula R. Butler, M.D.

Endocrinology, Diabetes & Metabolism Physician · Chicago, IL

Paula R. Butler, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Chicago, Illinois, and NPI 1427041482, issued on Aug 25, 2005. Check the license (Illinois 036-057371, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427041482
Name
Paula R. Butler
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
036-057371 IL
Self-reported in NPPES; status is on the state search
Practice location
1501 S California Ave, Chicago, IL 60608
Phone
(773) 257-6995
Enumerated
Aug 25, 2005
Record last updated
Feb 20, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
036-057371-2 IL
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 endocrinology, diabetes & metabolism physician records → All 436 in Illinois → Look up another NPI →

Also registered at 1501 S California Ave

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

  1. Traci Aaron, PA-CMedical Physician Assistant1174510200
  2. Adriana Acurio, M.D.Clinical Pathology/Laboratory Medicine Physician1346568748
  3. Ali Ader, APNP, CRNACertified Registered Nurse Anesthetist1225308281
  4. Yoglackshan Ahluwalia, M.D.Psychiatry Physician1033101688
  5. Ayesha Ahmed, M.D.Anesthesiology Physician1104825108
  6. Mohammad Ahmed, M.D.Nephrology Physician1831190784

Verify Paula R. Butler 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 036-057371    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

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97% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

91 Medicare Part D claims for 35 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.

  1. Paula Butler91
  2. Specialty average2,630

Most prescribed

  1. Lantus Solostar12 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 80.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score65.0
  2. Costout of 100 · 30%63.2
  3. Promoting interoperabilityout of 100 · 25%72.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Paula R. Butler among 436 endocrinology, diabetes & metabolism physician records in Illinois

Paula R. Butler, M.D. is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% 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, 95% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2012 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Illinois

There are 436 endocrinology, diabetes & metabolism physician records in Illinois.

All 436 in Illinois → Every provider in Chicago → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Maguy Chiha, M.D.Chicago, IL 606081073705042
  2. Rea HarxhiChicago, IL 606081457979833
  3. Andriy HavrylyanChicago, IL 606081730560517
  4. Yannis Guerra, M.D.Chicago, IL 606071922193671
  5. Elizabeth Lowden, M.D.Chicago, IL 606061568783991
  6. Emily Smith, M.D.Chicago, IL 606061386906089
  7. Grazia Aleppo, MDChicago, IL 606111689603268
  8. Grant Barish, M.D.Chicago, IL 606111265526073

Common questions

What is Paula R. Butler, M.D.'s NPI number?

Paula R. Butler, M.D.'s National Provider Identifier (NPI) is 1427041482, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Paula R. Butler, M.D. located?

The NPPES record lists a practice address at 1501 S California Ave, Chicago, IL, 60608. Phone: (773) 257-6995. Providers update this record themselves, so call before visiting.

How can I verify Paula R. Butler, M.D.'s license?

NPPES lists Illinois license number 036-057371, 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 Paula R. Butler, M.D. prescribe under Medicare Part D?

In 2024, Paula R. Butler, M.D. had 91 Medicare Part D claims for 35 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Paula R. Butler, M.D.'s MIPS final score?

The 2023 MIPS final score is 80.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.