NPPES file of Aug 9, 2026

Wassim Chemaitilly, MD

Pediatric Endocrinology Physician · Pittsburgh, PA

Wassim Chemaitilly, MD is a pediatric endocrinology physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1861681801, issued on Oct 16, 2007. Check the license on the Pennsylvania Department of State (PALS); 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
1861681801
Name
Wassim Chemaitilly
Credential
MD
Primary taxonomy
Pediatric Endocrinology Physician 2080P0205X
License number
47536 TN
Self-reported in NPPES; status is on the state search
Practice location
4401 Penn Ave, Pittsburgh, PA 15224
Phone
(412) 692-5170
Enumerated
Oct 16, 2007
Record last updated
Nov 14, 2022
Medicare enrollment
Enrolled (PECOS I20080320000010); accepts Medicare assignment
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 4401 Penn Ave

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

  1. Maria Abel, M.A., CCC-AAudiologist1316053804
  2. Taylor Abel, M.D.Neurological Surgery Physician1558681163
  3. Amanda AberFamily Nurse Practitioner1174357644
  4. Alyssa Aburachis, MDStudent in an Organized Health Care Education/Training Program1033968649
  5. Anas Abuseif, MDStudent in an Organized Health Care Education/Training Program1770339145
  6. Roxanne Acquaro, M.S. LCGCGenetic Counselor (M.S.)1427174663

Verify Wassim Chemaitilly in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)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 Pennsylvania license search

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38% fewer Medicare Part D claims than the average pediatric endocrinology physician in 2024

65 Medicare Part D claims, against an average of 105 among the 386 providers of this specialty who prescribed in Part D. Brand-name drugs were 95% of claims.

  1. Wassim Chemaitilly65
  2. Specialty average105

Most prescribed

  1. Dextrose In Water54 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): 77.5 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 score68.6
  2. Costout of 100 · 30%56.4
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF Pittsburgh PhysiciansPittsburgh, PA

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

Wassim Chemaitilly among 109 pediatric endocrinology physician records in Pennsylvania

Wassim Chemaitilly, MD is one of 109 pediatric endocrinology physician records with a practice address in Pennsylvania. 50% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.

  • NPI issued2007 · 35% of these records are older, 49% newer
  • In a Medicare fileYes · 50% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated1999 · median 2004 among the 27 with a school on file
  • Record last updated2022 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Endocrinology Physician providers in Pennsylvania

There are 109 pediatric endocrinology physician records in Pennsylvania.

The 8 pediatric endocrinology physician records with the nearest ZIP codes

  1. Tyler Colangelo, MBBSPittsburgh, PA 152241417454489
  2. Amanda Flint, M.D.Pittsburgh, PA 152241669696928
  3. Luigi Garibaldi, MDPittsburgh, PA 152241396718375
  4. Alissa Guarneri, M.D.Pittsburgh, PA 152241902225246
  5. Nursen Gurtunca, M.D.Pittsburgh, PA 152241174846059
  6. Natalie Hecht BaldauffPittsburgh, PA 152241134265804
  7. Vered Lewy-Weiss, M.D.Pittsburgh, PA 152241124061973
  8. Christine MarchPittsburgh, PA 152241043553068

Common questions

What is Wassim Chemaitilly, MD's NPI number?

Wassim Chemaitilly, MD's National Provider Identifier (NPI) is 1861681801, issued on Oct 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Wassim Chemaitilly, MD located?

The NPPES record lists a practice address at 4401 Penn Ave, Pittsburgh, PA, 15224. Phone: (412) 692-5170. Providers update this record themselves, so call before visiting.

How can I verify Wassim Chemaitilly, MD's license?

Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Wassim Chemaitilly, MD prescribe under Medicare Part D?

In 2024, Wassim Chemaitilly, MD had 65 Medicare Part D claims; the average among pediatric endocrinology physician prescribers was 105. Part D covers Medicare prescriptions only.

What is Wassim Chemaitilly, MD's MIPS final score?

The 2023 MIPS final score is 77.5 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.