Registry data as of Aug 27, 2026

Mark Greenberger, M.D.

Internal Medicine Physician · Highland Park, IL

Mark Greenberger, M.D. is an internal medicine physician with a practice address in Highland Park, Illinois, and NPI 1174555742, issued on Jul 6, 2006. Check the license (Illinois 036-076304, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1174555742
Name
Mark Greenberger
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036-076304 IL
Self-reported in NPPES; status is on the state search
Practice location
480 Elm PL, Highland Park, IL 60035
Phone
(847) 433-0404
Enumerated
Jul 6, 2006
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 480 Elm PL

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

  1. Roberta Auslander, PSY.D.Clinical Psychologist1932207271
  2. Lynn BarronClinical Social Worker1952484792
  3. Judith Bensinger, MDAdolescent Medicine (Family Medicine) Physician1851367619
  4. Marjorie Breyer, RD, LDNRegistered Dietitian1538302161
  5. Lindsey Darin, M.S., CCC-SLPSpeech-Language Pathologist1386917748
  6. Martha Ferry Biondi, PTPhysical Therapist1720057250

Verify Mark Greenberger 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 036-076304
    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.

2.3 times the Medicare Part D claims of the average internal medicine physician in 2024

6,467 Medicare Part D claims for 447 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 134 claims were for opioids.

  1. Mark Greenberger6,467
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium458 claims
  2. Levothyroxine Sodium356 claims
  3. Rosuvastatin Calcium234 claims
  4. Amlodipine Besylate232 claims
  5. Eliquis195 claims
  6. Metoprolol Succinate187 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 Medicare quality score for 2023: 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score100.0
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $163.99

2 payments, mostly education; the largest payer was Sumitomo Pharma America, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Greenberger$163.99
  2. Specialty average$2,536.66

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

One hospital or facility affiliation

  1. Mark A Greenberger MD SCHighland Park, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

50 internal medicine physician records list a Highland Park practice address

They are 50 of the 882 NPPES records with a Highland Park practice address, and 8,522 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Pamela Abadi, D.O.Winfield, IL1588820179
  3. Motaz Abas, MDPeoria, IL1215510201
  4. Elias Abate, M.D.Chicago, IL1336712199
  5. Maliha Abbas, D.O.Chicago, IL1174963920
  6. Zareena Abbas, MDChicago, IL1427078872
  7. Abu Abbasi, MDChicago, IL1083243877
  8. Ayesha Abbasi, MDChicago, IL1376216705
  9. Khalda Abbasi, MDNaperville, IL1487705240
  10. Misha Abbasi, MDChicago, IL1770111635

Common questions

What is Mark Greenberger, M.D.'s NPI number?

Mark Greenberger, M.D.'s National Provider Identifier (NPI) is 1174555742, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Greenberger, M.D. located?

The NPPES record lists a practice address at 480 Elm PL, Highland Park, IL, 60035. Phone: (847) 433-0404. Providers update this record themselves, so call before visiting.

How can I verify Mark Greenberger, M.D.'s license?

NPPES lists Illinois license number 036-076304, 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 Mark Greenberger, M.D. prescribe under Medicare Part D?

In 2024, Mark Greenberger, M.D. had 6,467 Medicare Part D claims for 447 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Mark Greenberger, M.D.'s Medicare quality score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.