NPPES file of Aug 9, 2026

Katherine Louise Maietta, M.D.

Internal Medicine Physician · Hickory Hills, IL

Katherine Louise Maietta, M.D. is an internal medicine physician with a practice address in Hickory Hills, Illinois, and NPI 1275799710, issued on Aug 4, 2008. Check the license (Illinois 036.128371, 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
1275799710
Name
Katherine Louise Maietta
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036.128371 IL
Self-reported in NPPES; status is on the state search
Practice location
9608 S Roberts RD, Hickory Hills, IL 60457
Phone
(708) 233-5333
Enumerated
Aug 4, 2008
Record last updated
May 10, 2024
Fax
(708) 233-5348
Medicare enrollment
Enrolled (PECOS I20120924000397); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2008
Telehealth
Offers telehealth (CMS)
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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Also registered at 9608 S Roberts RD

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

  1. Haemi Choi, MDFamily Medicine Physician1003035122
  2. Osama Elkelany, MDInternal Medicine Physician1417698796
  3. Steven Jovanovich, DPT, OCS, CSCSPhysical Therapist1952657280
  4. Kathleen TorrezPhysical Therapy Assistant1619229036

Verify Katherine Louise Maietta 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 036.128371
    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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13% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,768 Medicare Part D claims for 300 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 81 claims were for opioids.

  1. Katherine Maietta2,768
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium162 claims
  2. Losartan Potassium108 claims
  3. Levothyroxine Sodium103 claims
  4. Lisinopril77 claims
  5. Famotidine76 claims
  6. Metoprolol Succinate74 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: $141.22

9 payments; by number, the most common kind was food and beverage; the largest payer was Ardelyx, 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.

  1. Katherine Maietta$141.22
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. Lake Street Family Physicians SC IncOak Park, IL

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

Katherine Louise Maietta among 7,238 internal medicine physician records in Illinois

Katherine Louise Maietta, 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 2008, is newer than 45% of them.

  • NPI issued2008 · 45% of these records are older, 51% 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 updated2024 · 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).

4 internal medicine physician records list a practice address in Hickory Hills

They are 4 of the 145 NPPES records with a practice address in Hickory Hills, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Osama Elkelany, MDHickory Hills, IL 604571417698796
  2. Rashda Khan, M.D.Hickory Hills, IL 604571609935816
  3. Abdelkhaliq Qasem, MDHickory Hills, IL 604571639707532
  4. Samuel Fernando, MDJustice, IL 604581023124930
  5. Mary Pitaro, M.D.Justice, IL 604581225196124
  6. Sameena Akhtar, M.D.Burbank, IL 604591699706523
  7. Shama Ali, M.D.Burbank, IL 604591912934043
  8. Sandeep Chandra, M.D.Burbank, IL 604591063453876

Common questions

What is Katherine Louise Maietta, M.D.'s NPI number?

Katherine Louise Maietta, M.D.'s National Provider Identifier (NPI) is 1275799710, issued on Aug 4, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Louise Maietta, M.D. located?

The NPPES record lists a practice address at 9608 S Roberts RD, Hickory Hills, IL, 60457. Phone: (708) 233-5333. Providers update this record themselves, so call before visiting.

How can I verify Katherine Louise Maietta, M.D.'s license?

NPPES lists Illinois license number 036.128371, 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 Katherine Louise Maietta, M.D. prescribe under Medicare Part D?

In 2024, Katherine Louise Maietta, M.D. had 2,768 Medicare Part D claims for 300 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.