NPPES file of Aug 9, 2026

Melissa S. Pessin, M.D., PH.D.

Clinical Pathology/Laboratory Medicine Physician · Chicago, IL

Melissa S. Pessin, M.D., PH.D. is a clinical pathology/laboratory medicine physician with a practice address in Chicago, Illinois, and NPI 1083704753, issued on Oct 13, 2006. Check the license (Illinois 036.159640, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083704753
Name
Melissa S. Pessin
Credential
M.D., PH.D.
Primary taxonomy
Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
License numbers
036.159640 IL
193483 NY
Self-reported in NPPES; status is on the state search
Practice location
5841 S Maryland Ave, Chicago, IL 60637
Phone
(773) 795-4866
Enumerated
Oct 13, 2006
Record last updated
Apr 4, 2023
Fax
(773) 702-9082
Medicare enrollment
Enrolled (PECOS I20240522004114); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1991
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 5841 S Maryland Ave

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

  1. Ma. Theresa Abaring, CRNACertified Registered Nurse Anesthetist1962647586
  2. Rouzbeh AbbasgholizadehRetina Specialist (Ophthalmology) Physician1881510030
  3. Jehad Abdalla, MDSleep Medicine (Internal Medicine) Physician1053898684
  4. Sara Abdelaziz, MDEndocrinology, Diabetes & Metabolism Physician1598258089
  5. Noor Abdelrahman, PA-CPhysician Assistant1851012413
  6. Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240

Verify Melissa S. Pessin 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 036.159640    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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The MIPS final score for 2023 (Medicare payment program): 97.7 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 score75.4
  2. Costnot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. University OF ChicagoCrown Point, IN

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

Clinical Pathology/Laboratory Medicine Physician providers in Illinois

There are 63 clinical pathology/laboratory medicine physician records in Illinois.

All 63 in Illinois → Every provider in Chicago →

Other clinical pathology/laboratory medicine physician records in Illinois

  1. Adriana Acurio, M.D.Chicago, IL1346568748
  2. Hytham Al-Masri, M.D.Tinley Park, IL1841299591
  3. John Anastasi, MDBurr Ridge, IL1205988987
  4. Beverly Baron, MDBurr Ridge, IL1114079894
  5. Kathleen BeavisChicago, IL1689794075
  6. Renuka Bhaskar, MDBloomington, IL1235163056
  7. Saskia Biskup, MD, PHDChicago, IL1336962505
  8. Jayme Brentan, MDChicago, IL1023077633
  9. Clarence ChanChicago, IL1285173906
  10. Angella Charnot-Katsikas, M.D.Chicago, IL1114158342

Common questions

What is Melissa S. Pessin, M.D., PH.D.'s NPI number?

Melissa S. Pessin, M.D., PH.D.'s National Provider Identifier (NPI) is 1083704753, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Melissa S. Pessin, M.D., PH.D. located?

The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (773) 795-4866. Providers update this record themselves, so call before visiting.

How can I verify Melissa S. Pessin, M.D., PH.D.'s license?

NPPES lists Illinois license number 036.159640, 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.

What is Melissa S. Pessin, M.D., PH.D.'s MIPS final score?

The 2023 MIPS final score is 97.7 of 100. 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.