NPPES file of Aug 9, 2026

Shannon Shung-Ling Chang, MD

Gastroenterology Physician · New York, NY

Shannon Shung-Ling Chang, MD is a gastroenterology physician with a practice address in New York, New York, and NPI 1932423910, issued on Mar 20, 2010. Check the license (New York 263001, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1932423910
Name
Shannon Shung-Ling Chang
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
263001 NY
Self-reported in NPPES; status is on the state search
Practice location
550 1St Ave, New York, NY 10016
Phone
(212) 263-5506
Enumerated
Mar 20, 2010
Record last updated
Aug 8, 2022
Medicare enrollment
Enrolled (PECOS I20160610000228); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2010
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 550 1St Ave

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

  1. Clarisse AbanillaPhysician Assistant1598445579
  2. Ehab Abaza, MDInternal Medicine Physician1114507555
  3. Valentino Abballe, M.D.Diagnostic Radiology Physician1710305081
  4. Diana Abbas, MDStudent in an Organized Health Care Education/Training Program1568105633
  5. Germeen AbdelmessihAcute Care Nurse Practitioner1134840028
  6. Kathryn Abe-Ridgway, MDStudent in an Organized Health Care Education/Training Program1629865324

Verify Shannon Shung-Ling Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 263001
    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 New York license search

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15% fewer Medicare Part D claims than the average gastroenterology physician in 2024

687 Medicare Part D claims for 84 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Shannon Chang687
  2. Specialty average811

Most prescribed

  1. Stelara103 claims
  2. Mesalamine52 claims
  3. Omeprazole45 claims
  4. Mesalamine Er35 claims
  5. Colestipol Hcl30 claims
  6. Loperamide30 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): 84.5 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 score93.3
  2. Costout of 100 · 30%54.9
  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).

Industry payments in 2024: $7,241.56

34 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shannon Chang$7,241.56
  2. Specialty average$5,015.95

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. New York UniversityNew York, NY

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

Shannon Shung-Ling Chang among 1,797 gastroenterology physician records in New York

Shannon Shung-Ling Chang, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 73% of them.

  • NPI issued2010 · 73% of these records are older, 25% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2010 · median 1999 among the 1,378 with a school on file
  • Record last updated2022 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in New York

There are 1,797 gastroenterology physician records in New York.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. John Ackert, MDNew York, NY 100161053335810
  2. Daniel Alpert, MDNew York, NY 100161063412708
  3. Steven Field, MDNew York, NY 100161871591784
  4. Seth Gross, M.D.New York, NY 100161154304111
  5. Min-Tsung Hsu, MDNew York, NY 100161376520486
  6. Mark Lemert, M.D.New York, NY 100161306810478
  7. Basil Lucak, M.D.New York, NY 100161720071145
  8. Marc Obadia, MDNew York, NY 100161487627824

Common questions

What is Shannon Shung-Ling Chang, MD's NPI number?

Shannon Shung-Ling Chang, MD's National Provider Identifier (NPI) is 1932423910, issued on Mar 20, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Shannon Shung-Ling Chang, MD located?

The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (212) 263-5506. Providers update this record themselves, so call before visiting.

How can I verify Shannon Shung-Ling Chang, MD's license?

NPPES lists New York license number 263001, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Shannon Shung-Ling Chang, MD prescribe under Medicare Part D?

In 2024, Shannon Shung-Ling Chang, MD had 687 Medicare Part D claims for 84 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Shannon Shung-Ling Chang, MD's MIPS final score?

The 2023 MIPS final score is 84.5 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.