Elise H. Pyun, M.D.
Rheumatology Physician · Worcester, MA
Elise H. Pyun, M.D. is a rheumatology physician with a practice address in Worcester, Massachusetts, and NPI 1760463814, issued on Nov 7, 2005. Check the license (Massachusetts 59771, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Elise H. Pyun
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 59771 MA
Self-reported in NPPES; status is on the state search - Practice location
- 119 Belmont St, Worcester, MA 01605
- Phone
- (508) 334-9894
- Enumerated
- Nov 7, 2005
- Record last updated
- Nov 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 3120791 MA
- Medicare enrollment
- Enrolled (PECOS I20050907000837); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Also registered at 119 Belmont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Elise H. Pyun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 59771Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,836 Medicare Part D claims for 262 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 113 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate185 claims
- Methotrexate184 claims
- Prednisone146 claims
- Alendronate Sodium98 claims
- Humira(Cf) Pen75 claims
- Actemra Actpen68 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elise H. Pyun among 343 rheumatology physician records in Massachusetts
Elise H. Pyun, M.D. is one of 343 rheumatology physician records with a practice address in Massachusetts. 73% 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, 86% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1985 · median 2004 among the 212 with a school on file
- Record last updated2020 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Massachusetts
There are 343 rheumatology physician records in Massachusetts.
All 343 in Massachusetts → Every provider in Worcester → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Norman Bress, M.D.Worcester, MA 016051407828734
- Ratnesh Chopra, M.D.Worcester, MA 016051710944137
- Beata Cieslak-Skowronska, M.D.Worcester, MA 016051447226642
- Deborah Demarco, M.D.Worcester, MA 016051215910849
- Jonathan Kay, MDWorcester, MA 016051699766964
- Nancy Liu, M.D.Worcester, MA 016051265416531
- Evelyn Love, M.D.Worcester, MA 016051164538922
- Timothy McAlindon, MD, MPHWorcester, MA 016051518931625
Common questions
What is Elise H. Pyun, M.D.'s NPI number?
Elise H. Pyun, M.D.'s National Provider Identifier (NPI) is 1760463814, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Elise H. Pyun, M.D. located?
The NPPES record lists a practice address at 119 Belmont St, Worcester, MA, 01605. Phone: (508) 334-9894. Providers update this record themselves, so call before visiting.
How can I verify Elise H. Pyun, M.D.'s license?
NPPES lists Massachusetts license number 59771, 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 Elise H. Pyun, M.D. prescribe under Medicare Part D?
In 2024, Elise H. Pyun, M.D. had 1,836 Medicare Part D claims for 262 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Elise H. Pyun, 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.