Registry data as of Aug 27, 2026

Mark Gross, M.D.

Orthopaedic Surgery Physician · Barrington, IL

Mark Gross, M.D. is an orthopaedic surgery physician with a practice address in Barrington, Illinois, and NPI 1568458776, issued on Sep 22, 2005. Check the license (Illinois 036062557, 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
1568458776
Name
Mark Gross
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
036062557 IL
Self-reported in NPPES; status is on the state search
Practice location
27401 W Highway 22 Ste 125, Barrington, IL 60010
Phone
(847) 381-0388
Enumerated
Sep 22, 2005
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 27401 W Highway 22 Ste 125

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

  1. Latisha Anami, PA-CPhysician Assistant1629481411
  2. Marc Angerame, MDOrthopaedic Surgery Physician1508128737
  3. Seraphin BamouniFamily Nurse Practitioner1205609229
  4. Gregory Brebach, M.D.Orthopaedic Surgery Physician1598751034
  5. Craig Cummins, M.D.Sports Medicine (Orthopaedic Surgery) Physician1588650006
  6. Steven Jasonowicz, D.P.MFoot & Ankle Surgery Podiatrist1689092793

Verify Mark Gross 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 036062557
    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.

96% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

13 Medicare Part D claims, against an average of 344 among the 17,387 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mark Gross13
  2. Specialty average344

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 Medicare quality score for 2023: 72.7 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 score71.8
  2. Costout of 100 · 30%53.0
  3. Promoting interoperabilityout of 100 · 25%81.0
  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).

10 orthopaedic surgery physician records list a Barrington practice address

They are 10 of the 756 NPPES records with a Barrington practice address, and 983 orthopaedic surgery physician records in Illinois.

Other orthopaedic surgery physician records in Illinois

  1. Walaa AbdelfadeelChicago, IL1669053062
  2. Jeffrey AckermanChicago, IL1861621351
  3. Henry Acuna, M.D.Oak Brook, IL1063520930
  4. Jeremy Adler, MDCrystal Lake, IL1699269183
  5. Avinesh Agarwalla, MDSchaumburg, IL1194288282
  6. Farhan AhmadChicago, IL1992440887
  7. Jamal Ahmad, M.D.Lincolnshire, IL1659325389
  8. Faisal Akram, MDChicago, IL1558990747
  9. Basel Al-Aswad, MDEvergreen Park, IL1033104641
  10. David Alfieri, M.D.Naperville, IL1932442076

Common questions

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

Mark Gross, M.D.'s National Provider Identifier (NPI) is 1568458776, issued on Sep 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Gross, M.D. located?

The NPPES record lists a practice address at 27401 W Highway 22 Ste 125, Barrington, IL, 60010. Phone: (847) 381-0388. Providers update this record themselves, so call before visiting.

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

NPPES lists Illinois license number 036062557, 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 Gross, M.D. prescribe under Medicare Part D?

In 2024, Mark Gross, M.D. had 13 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 344. Part D covers Medicare prescriptions only.

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

The 2023 MIPS final score is 72.7 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), 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.