NPPES file of Aug 9, 2026

Gerard Chang, MD

Orthopaedic Surgery Physician · Lebanon, NH

Gerard Chang, MD is an orthopaedic surgery physician with a practice address in Lebanon, New Hampshire, and NPI 1972990794, issued on Apr 20, 2015. Check the license (New Hampshire 21646, as entered in NPPES) on the New Hampshire Board of Medicine; 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
1972990794
Name
Gerard Chang
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
21646 NH
Self-reported in NPPES; status is on the state search
Practice location
One Medical Center Dr, Lebanon, NH 03756
Phone
(603) 650-5133
Enumerated
Apr 20, 2015
Record last updated
Aug 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210826002200); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2015
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 One Medical Center Dr

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

  1. Nigel AbrahamStudent in an Organized Health Care Education/Training Program1801472832
  2. Musa Aner, M.D.Anesthesiology Physician1073628038
  3. Christine Anzalone, DODiagnostic Radiology Physician1740629120
  4. Daniel Austin, MDAdult Reconstructive Orthopaedic Surgery Physician1730599648
  5. Jonathan Bailey, CRNACertified Registered Nurse Anesthetist1407431307
  6. Andrew Banuskevich, PAPhysician Assistant1730776550

Verify Gerard Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 21646
    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 Hampshire 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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92% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

28 Medicare Part D claims for 11 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Gerard Chang28
  2. Specialty average346

Most prescribed

  1. Gabapentin14 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): 90.1 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. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%50.2
  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: $2,003.35

8 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gerard Chang$2,003
  2. Specialty average$23,023

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

2 hospitals and group practices

  1. Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospitals3 of 5 stars
  2. Dartmouth-Hitchcock ClinicLebanon, NH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gerard Chang among 174 orthopaedic surgery physician records in New Hampshire

Gerard Chang, MD is one of 174 orthopaedic surgery physician records with a practice address in New Hampshire. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 84% of them.

  • NPI issued2015 · 84% of these records are older, 12% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2015 · median 2002 among the 123 with a school on file
  • Record last updated2021 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 orthopaedic surgery physician records list a practice address in Lebanon

They are 36 of the 3,530 NPPES records with a practice address in Lebanon, and 174 orthopaedic surgery physician records in New Hampshire.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. John-Erik Bell, M.D.Lebanon, NH 037561326084591
  2. Philip Bernini, MDLebanon, NH 037561942236831
  3. Brian Carney, MDLebanon, NH 037561992733356
  4. Marcus Coe, MDLebanon, NH 037561497858336
  5. Frances Faro, MDLebanon, NH 037561568509842
  6. James Heckman, MDLebanon, NH 037561932199130
  7. Franklin Lynch, MDLebanon, NH 037561336176890
  8. William Minsinger, MDLebanon, NH 037561104883628

Common questions

What is Gerard Chang, MD's NPI number?

Gerard Chang, MD's National Provider Identifier (NPI) is 1972990794, issued on Apr 20, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Gerard Chang, MD located?

The NPPES record lists a practice address at One Medical Center Dr, Lebanon, NH, 03756. Phone: (603) 650-5133. Providers update this record themselves, so call before visiting.

How can I verify Gerard Chang, MD's license?

NPPES lists New Hampshire license number 21646, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gerard Chang, MD prescribe under Medicare Part D?

In 2024, Gerard Chang, MD had 28 Medicare Part D claims for 11 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Gerard Chang, MD's MIPS final score?

The 2023 MIPS final score is 90.1 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.