NPPES file of Aug 9, 2026

Hanna Huey-Jiun Chao, M.D.

Internal Medicine Physician · Chelsea, MA

Hanna Huey-Jiun Chao, M.D. is an internal medicine physician with a practice address in Chelsea, Massachusetts, and NPI 1376581991, issued on Jun 4, 2006. Check the license (Massachusetts 1018720, as entered in NPPES) on the Massachusetts Board of Registration in 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
1376581991
Name
Hanna Huey-Jiun Chao
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
1018720 MA
045508 CT
Self-reported in NPPES; status is on the state search
Practice location
151 Everett Ave, Chelsea, MA 02150
Phone
(617) 889-8580
Enumerated
Jun 4, 2006
Record last updated
Feb 16, 2024
Fax
(617) 889-8579
Medicare enrollment
Enrolled (PECOS I20080625000356); accepts Medicare assignment
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 151 Everett Ave

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

  1. Ali Abdullahi, SWClinical Social Worker1134412158
  2. Babatunde Aideyan, MACounseling Psychologist1144895046
  3. Lorraine Alire, BSStudent in an Organized Health Care Education/Training Program1417442609
  4. Robert Amrien, PA-CPhysician Assistant1073570016
  5. Rosa Amurrio-Comparini, MDPsychiatry Physician1336120500
  6. Wynne Armand, MDInternal Medicine Physician1497745939

Verify Hanna Huey-Jiun Chao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 1018720
    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 Massachusetts 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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60% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,257 Medicare Part D claims for 260 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 12 claims were for opioids.

  1. Hanna Chao1,257
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium97 claims
  2. Metoprolol Succinate62 claims
  3. Metformin Hcl59 claims
  4. Omeprazole49 claims
  5. Lisinopril41 claims
  6. Amlodipine Besylate31 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 MIPS final score for 2023 (Medicare payment program): 93.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score81.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%78.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Northeast Medical Group IncStratford, CT
  2. Starling Physicians, PLLCSouthington, CT

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

Hanna Huey-Jiun Chao among 6,825 internal medicine physician records in Massachusetts

Hanna Huey-Jiun Chao, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1994 · median 2004 among the 4,103 with a school on file
  • Record last updated2024 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 internal medicine physician records list a practice address in Chelsea

They are 36 of the 998 NPPES records with a practice address in Chelsea, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sefik Abdulhayoglu, MDChelsea, MA 021501659358166
  2. Jose Abrego, MDChelsea, MA 021501205808722
  3. Nancy Adams, M.D.Chelsea, MA 021501649236365
  4. Wynne Armand, MDChelsea, MA 021501497745939
  5. Judith Fisch, MDChelsea, MA 021501487644126
  6. Herman Gomez, MDChelsea, MA 021501639153414
  7. Ann Kao, MDChelsea, MA 021501588643282
  8. Cindy Levine, M.D.Chelsea, MA 021501437137270

Common questions

What is Hanna Huey-Jiun Chao, M.D.'s NPI number?

Hanna Huey-Jiun Chao, M.D.'s National Provider Identifier (NPI) is 1376581991, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Hanna Huey-Jiun Chao, M.D. located?

The NPPES record lists a practice address at 151 Everett Ave, Chelsea, MA, 02150. Phone: (617) 889-8580. Providers update this record themselves, so call before visiting.

How can I verify Hanna Huey-Jiun Chao, M.D.'s license?

NPPES lists Massachusetts license number 1018720, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Hanna Huey-Jiun Chao, M.D. prescribe under Medicare Part D?

In 2024, Hanna Huey-Jiun Chao, M.D. had 1,257 Medicare Part D claims for 260 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Hanna Huey-Jiun Chao, M.D.'s MIPS final score?

The 2023 MIPS final score is 93.3 of 100. 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.