Grace Chang, DO
Colon & Rectal Surgery Physician · Morristown, NJ
Grace Chang, DO is a colon & rectal surgery physician with a practice address in Morristown, New Jersey, and NPI 1033772280, issued on Apr 15, 2019. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Grace Chang
- Credential
- DO
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- OP61568815 WA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Madison Ave, Morristown, NJ 07960
- Phone
- (973) 971-5000
- Enumerated
- Apr 15, 2019
- Entity
- Type 1 · individual
Also registered at 100 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen AbboudDentist1659121259
- Omar Abdelfattah, MBBCHStudent in an Organized Health Care Education/Training Program1003444167
- Ahmed Abdelhalim, MDHospitalist Physician1104386051
- Bavly Abdelmesih, MDStudent in an Organized Health Care Education/Training Program1932901378
- Fatema Abdulhussein, MDStudent in an Organized Health Care Education/Training Program1235514274
- Arkadiy Abkin, MDAnesthesiology Physician1316928666
Verify Grace Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
60% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
83 Medicare Part D claims for 31 beneficiaries, against an average of 210 among the 1,179 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Methocarbamol17 claims
- Tramadol Hcl13 claims
- Oxycodone Hcl12 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.
Industry payments in 2024: $19.60
1 payment, mostly food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 1,002 providers of this specialty with any payment received $3,284.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Colon & Rectal Surgery Physician providers in New Jersey
There are 70 colon & rectal surgery physician records in New Jersey.
Other colon & rectal surgery physician records in New Jersey
- Marnie Abeshouse, MDHackensack, NJ1790312213
- Analena AlcabesSouth Plainfield, NJ1679077135
- Marjan Aleali, MDMaywood, NJ1770621146
- Melissa Alvarez-Downing, M.D.Newark, NJ1306068788
- Michael Arvanitis, MDEatontown, NJ1144243684
- Gregg Baranski, M.D.Moorestown, NJ1447410014
- Valerie Bauer, MDCherry Hill, NJ1609812353
- Gordon Callender, M.D.Vineland, NJ1215059399
- Bertram Chinn, M.D.Edison, NJ1811968944
- Charles Cooper, MDBerkeley Heights, NJ1235557695
Common questions
What is Grace Chang, DO's NPI number?
Grace Chang, DO's National Provider Identifier (NPI) is 1033772280, issued on Apr 15, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Grace Chang, DO located?
The NPPES record lists a practice address at 100 Madison Ave, Morristown, NJ, 07960. Phone: (973) 971-5000. Providers update this record themselves, so call before visiting.
How can I verify Grace Chang, DO's license?
Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grace Chang, DO prescribe under Medicare Part D?
In 2024, Grace Chang, DO had 83 Medicare Part D claims for 31 beneficiaries; the average among colon & rectal surgery physician prescribers was 210. Part D covers Medicare prescriptions only.
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.