Man Chin Chang, M.D.
Endocrinology, Diabetes & Metabolism Physician · Providence, RI
Man Chin Chang, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Providence, Rhode Island, and NPI 1346442563, issued on Jun 1, 2007. Check the license (Rhode Island MD13879, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Man Chin Chang
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- MD13879 RI
LP01043 RI
Self-reported in NPPES; status is on the state search - Practice location
- 100 Highland Ave, Providence, RI 02906
- Phone
- (401) 351-7100
- Enumerated
- Jun 1, 2007
- Record last updated
- Dec 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (401) 751-6179
- Medicare enrollment
- Enrolled (PECOS I20120731000770); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 38 in Rhode Island → Look up another NPI →
Also registered at 100 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Altenhein, MDSurgery Physician1689670044
- Brianna Boulanger, MTMassage Therapist1306274584
- Marilyn Castro, LMHC-A, M. OF EDUCounselor1265267140
- Jenna CostaFamily Nurse Practitioner1326710427
- Robert Dobrzynski, M.D.Endocrinology, Diabetes & Metabolism Physician1598863599
- Margaret Dyer, MDPediatrics Physician1942528658
Verify Man Chin Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD13879Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
11,146 Medicare Part D claims for 1,157 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Levothyroxine Sodium1,696 claims
- Jardiance819 claims
- Metformin Hcl Er570 claims
- Ozempic529 claims
- Synthroid457 claims
- Metformin Hcl430 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): 82.9 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $70.77
4 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Bills Medicare through one group practice
- Diabetes And Endocrinology Associates, Inc.Providence, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Man Chin Chang among 38 endocrinology, diabetes & metabolism physician records in Rhode Island
Man Chin Chang, M.D. is one of 38 endocrinology, diabetes & metabolism physician records with a practice address in Rhode Island. 76% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 37% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2007 · median 2006 among the 22 with a school on file
- Record last updated2012 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Rhode Island
There are 38 endocrinology, diabetes & metabolism physician records in Rhode Island.
All 38 in Rhode Island → Every provider in Providence → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Robert Dobrzynski, M.D.Providence, RI 029061598863599
- Charles Kahn, M.D.Providence, RI 029061790883270
- Roberto Ortiz, M.D.Providence, RI 029061407995640
- Vorawan Ummaritchot, M.D.Providence, RI 029061043447097
- Daryl Selen, M.D.Providence, RI 029051699122010
- Maged Taman, MDProvidence, RI 029071841381555
- Joseph Tucci, M.D.Providence, RI 029081780641084
- Alicia Warnock, M.D.Providence, RI 029081063610038
Common questions
What is Man Chin Chang, M.D.'s NPI number?
Man Chin Chang, M.D.'s National Provider Identifier (NPI) is 1346442563, issued on Jun 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Man Chin Chang, M.D. located?
The NPPES record lists a practice address at 100 Highland Ave, Providence, RI, 02906. Phone: (401) 351-7100. Providers update this record themselves, so call before visiting.
How can I verify Man Chin Chang, M.D.'s license?
NPPES lists Rhode Island license number MD13879, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Man Chin Chang, M.D. prescribe under Medicare Part D?
In 2024, Man Chin Chang, M.D. had 11,146 Medicare Part D claims for 1,157 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Man Chin Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.9 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.