NPPES file of Aug 9, 2026

Mara Endoy, NP

Adult Health Nurse Practitioner · Chicago, IL

Mara Endoy, NP is an adult health nurse practitioner with a practice address in Chicago, Illinois, and NPI 1881646867, issued on May 17, 2006. Check the license (Illinois 209004922, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881646867
Name
Mara Endoy
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
209004922 IL
209-004922 IL
Self-reported in NPPES; status is on the state search
Practice location
1501 S California Ave, Chicago, IL 60608
Phone
(773) 257-6770
Enumerated
May 17, 2006
Record last updated
Mar 18, 2025
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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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 Mara Endoy 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 209004922
    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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23% more Medicare Part D claims than the average adult health nurse practitioner in 2024

1,577 Medicare Part D claims for 256 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 53 claims were for opioids.

  1. Mara Endoy1,577
  2. Specialty average1,280

Most prescribed

  1. Atorvastatin Calcium108 claims
  2. Amlodipine Besylate94 claims
  3. Albuterol Sulfate Hfa83 claims
  4. Metformin Hcl67 claims
  5. Mirtazapine61 claims
  6. Losartan Potassium41 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).

Industry payments in 2024: $45.68

2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mara Endoy$45.68
  2. Specialty average$946.40

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mara Endoy among 743 adult health nurse practitioner records in Illinois

Mara Endoy, NP 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 updated2025 · 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.

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

  1. Angela Appleberry, NPChicago, IL 606081699310201
  2. Maricar Balite, ANPChicago, IL 606081093085078
  3. Elizabeth Kelly, NPChicago, IL 606081306281167
  4. Priscilla Rivera, APRNChicago, IL 606081205116282
  5. Constance Scholp, APRNChicago, IL 606081518199553
  6. Margaret Clemons-Adams, APRNChicago, IL 606091023661980
  7. Alicia Maloney, APNChicago, IL 606071104191303
  8. Valerie Matthiesen, NPChicago, IL 606091366629172

Common questions

What is Mara Endoy, NP's NPI number?

Mara Endoy, NP's National Provider Identifier (NPI) is 1881646867, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mara Endoy, NP located?

The NPPES record lists a practice address at 1501 S California Ave, Chicago, IL, 60608. Phone: (773) 257-6770. Providers update this record themselves, so call before visiting.

How can I verify Mara Endoy, NP's license?

NPPES lists Illinois license number 209004922, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Mara Endoy, NP prescribe under Medicare Part D?

In 2024, Mara Endoy, NP had 1,577 Medicare Part D claims for 256 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

What is Mara Endoy, NP'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.

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.