NPPES file of Aug 9, 2026

Ryan Chua Chua, M.D.

Pulmonary Disease Physician · Leominster, MA

Ryan Chua Chua, M.D. is a pulmonary disease physician with a practice address in Leominster, Massachusetts, and NPI 1659534501, issued on Jul 9, 2008. Check the license (Massachusetts 307929, 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
1659534501
Name
Ryan Chua Chua
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License numbers
307929 MA
237513 MA
254196 MA
Self-reported in NPPES; status is on the state search
Practice location
100 Hospital RD, Leominster, MA 01453
Phone
(978) 466-2692
Enumerated
Jul 9, 2008
Record last updated
Oct 21, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130925000911); 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 100 Hospital RD

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

  1. Meagan Baldwin, CNPNurse Practitioner1174346852
  2. Michael Berger, MDObstetrics & Gynecology Physician1609361294
  3. Xiaoming Bi, PA-CPhysician Assistant1205139037
  4. Alison Bird, P.A.Physician Assistant1184636987
  5. Paul Block, MDCardiovascular Disease Physician1003810094
  6. Kelton Burbank, M.D.Orthopaedic Surgery Physician1326050113

Verify Ryan Chua Chua 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 307929
    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

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24% more Medicare Part D claims than the average pulmonary disease physician in 2024

1,770 Medicare Part D claims for 299 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.

  1. Ryan Chua1,770
  2. Specialty average1,425

Most prescribed

  1. Albuterol Sulfate Hfa323 claims
  2. Trelegy Ellipta188 claims
  3. Montelukast Sodium150 claims
  4. Prednisone108 claims
  5. Breo Ellipta94 claims
  6. Breztri Aerosphere92 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): 97 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 score78.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Industry payments in 2024: $1,922.24

87 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ryan Chua$1,922.24
  2. Specialty average$5,159.88

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. Mass Lung And Allergy PCMarlborough, MA

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

Ryan Chua Chua among 569 pulmonary disease physician records in Massachusetts

Ryan Chua Chua, M.D. is one of 569 pulmonary disease physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 35% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2003 · median 2003 among the 407 with a school on file
  • Record last updated2016 · 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 207RP1001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Massachusetts

There are 569 pulmonary disease physician records in Massachusetts.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Payam Aghassi, MDLeominster, MA 014531093704298
  2. Plutarco Castellanos, MDLeominster, MA 014531669463303
  3. Mandeep Hundal, M.DLeominster, MA 014531811153489
  4. Inna Ketsler, M.D.Leominster, MA 014531417905720
  5. Ali Khodabandeh, M.D.Leominster, MA 014531841485695
  6. Corey Saltin, DOLeominster, MA 014531871567149
  7. Rimas Maurukas, M.D.Harvard, MA 014511982614004
  8. Odalys Croteau, MDGardner, MA 014401588659361

Common questions

What is Ryan Chua Chua, M.D.'s NPI number?

Ryan Chua Chua, M.D.'s National Provider Identifier (NPI) is 1659534501, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Chua Chua, M.D. located?

The NPPES record lists a practice address at 100 Hospital RD, Leominster, MA, 01453. Phone: (978) 466-2692. Providers update this record themselves, so call before visiting.

How can I verify Ryan Chua Chua, M.D.'s license?

NPPES lists Massachusetts license number 307929, 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 Ryan Chua Chua, M.D. prescribe under Medicare Part D?

In 2024, Ryan Chua Chua, M.D. had 1,770 Medicare Part D claims for 299 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is Ryan Chua Chua, M.D.'s MIPS final score?

The 2023 MIPS final score is 97 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.