NPPES file of Aug 9, 2026

Sue Chang, MD

Nephrology Physician · New Haven, CT

Sue Chang, MD is a nephrology physician with a practice address in New Haven, Connecticut, and NPI 1528054848, issued on Sep 22, 2005. Check the license (Connecticut 34691, as entered in NPPES) on the Connecticut Medical Examining Board; 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
1528054848
Name
Sue Chang
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
34691 CT
Self-reported in NPPES; status is on the state search
Practice location
136 Sherman Ave, New Haven, CT 06511
Phone
(203) 787-0117
Enumerated
Sep 22, 2005
Record last updated
Oct 11, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(203) 777-3559
Medicaid ID
001346916 CT
Medicare enrollment
Enrolled (PECOS I20100727000858); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 1990
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 136 Sherman Ave

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

  1. John Amodeo, MDSurgery Physician1871526772
  2. Michelle BookalAdult Health Nurse Practitioner1205780848
  3. Quiona Brooks, NPFamily Nurse Practitioner1629792593
  4. Lisa Cantey, PA-CPhysician Assistant1750376455
  5. Hugh Carey, MDNephrology Physician1255327276
  6. Effie Chang, MDGynecology Physician1487668943

Verify Sue Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 34691
    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 Connecticut 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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38% fewer Medicare Part D claims than the average nephrology physician in 2024

901 Medicare Part D claims for 199 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Sue Chang901
  2. Specialty average1,465

Most prescribed

  1. Allopurinol74 claims
  2. Furosemide65 claims
  3. Amlodipine Besylate54 claims
  4. Calcitriol53 claims
  5. Sevelamer Carbonate45 claims
  6. Losartan Potassium43 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): 91.5 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 score100.0
  2. Costout of 100 · 30%52.0
  3. Promoting interoperabilityout of 100 · 25%87.0
  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: $1,978.58

55 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sue Chang$1,978.58
  2. Specialty average$3,091.37

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. Metabolism Associates PCNew Haven, CT

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

Sue Chang among 167 nephrology physician records in Connecticut

Sue Chang, MD is one of 167 nephrology physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 70% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1990 · median 2002 among the 116 with a school on file
  • Record last updated2011 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Connecticut

There are 167 nephrology physician records in Connecticut.

The 8 nephrology physician records with the nearest ZIP codes

  1. Hugh Carey, MDNew Haven, CT 065111255327276
  2. Eric Chacko, M.D.New Haven, CT 065111437654662
  3. Thomas Eisen, MDNew Haven, CT 065111427044684
  4. Fredric Finkelstein, MDNew Haven, CT 065111851387088
  5. Daniel Geisser, MDNew Haven, CT 065111558346056
  6. Joni Hansson, MDNew Haven, CT 065111760478077
  7. Alan Kliger, MDNew Haven, CT 065111619963923
  8. Shirin Shirani, MDNew Haven, CT 065111891781191

Common questions

What is Sue Chang, MD's NPI number?

Sue Chang, MD's National Provider Identifier (NPI) is 1528054848, issued on Sep 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sue Chang, MD located?

The NPPES record lists a practice address at 136 Sherman Ave, New Haven, CT, 06511. Phone: (203) 787-0117. Providers update this record themselves, so call before visiting.

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

NPPES lists Connecticut license number 34691, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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

In 2024, Sue Chang, MD had 901 Medicare Part D claims for 199 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

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

The 2023 MIPS final score is 91.5 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.