NPPES file of Aug 9, 2026

Sing Yun Chang, MD

Clinical Pathology/Laboratory Medicine Physician · Rochester, MN

Sing Yun Chang, MD is a clinical pathology/laboratory medicine physician with a practice address in Rochester, Minnesota, and NPI 1275811614, issued on Aug 3, 2011. Check the license (Minnesota 54377, as entered in NPPES) on the Minnesota Board of Medical Practice; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275811614
Name
Sing Yun Chang
Credential
MD
Primary taxonomy
Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
License numbers
54377 MN
105567 MN
Self-reported in NPPES; status is on the state search
Practice location
200 1St St SW, Rochester, MN 55905
Phone
(507) 284-2511
Enumerated
Aug 3, 2011
Record last updated
Oct 7, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
ENROLLED MN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 200 1St St SW

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

  1. Timothy Aadland, M.D.Diagnostic Radiology Physician1780662783
  2. Christopher Aakre, MDInternal Medicine Physician1508151663
  3. Kathryn Aaro, P.T.Physical Therapist1619360666
  4. Danielle Aase, MDReproductive Endocrinology Physician1316524135
  5. Uzoamaka Abajue, PHARMDPharmacist1982335295
  6. Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246

Verify Sing Yun Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 54377
    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 Minnesota license search

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Sing Yun Chang among 79 clinical pathology/laboratory medicine physician records in Minnesota

Sing Yun Chang, MD is one of 79 clinical pathology/laboratory medicine physician records with a practice address in Minnesota. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 66% of them.

  • NPI issued2011 · 66% of these records are older, 30% newer
  • In a Medicare fileNo · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2011 · 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 207ZP0105X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Pathology/Laboratory Medicine Physician providers in Minnesota

There are 79 clinical pathology/laboratory medicine physician records in Minnesota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical pathology/laboratory medicine physician records with the nearest ZIP codes

  1. John Black, M.D.Rochester, MN 559051790762862
  2. Francois Cady, MDRochester, MN 559051962423038
  3. Dimitar Gavrilov, MDRochester, MN 559051063469807
  4. Katherine Geiersbach, MDRochester, MN 559051811043425
  5. John Goellner, M.D.Rochester, MN 559051194705921
  6. Patricia Greipp, D.O.Rochester, MN 559051912122839
  7. Kevin Halling, M.D.Rochester, MN 559051700858990
  8. Robert Jenkins, M.D.Rochester, MN 559051083693550

Common questions

What is Sing Yun Chang, MD's NPI number?

Sing Yun Chang, MD's National Provider Identifier (NPI) is 1275811614, issued on Aug 3, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sing Yun Chang, MD located?

The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.

How can I verify Sing Yun Chang, MD's license?

NPPES lists Minnesota license number 54377, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.