NPPES file of Aug 9, 2026

Joanna Poluha-O'Neil, M.D.

Psychiatry Physician · Southbridge, MA

Joanna Poluha-O'Neil, M.D. is a psychiatry physician with a practice address in Southbridge, Massachusetts, and NPI 1235113481, issued on Dec 1, 2005. Check the license (Massachusetts 159144, 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
1235113481
Name
Joanna Poluha-O'Neil
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
159144 MA
Self-reported in NPPES; status is on the state search
Practice location
100 South St, Southbridge, MA 01550
Phone
(508) 765-9771
Enumerated
Dec 1, 2005
Record last updated
Dec 3, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(508) 909-7709
Medicaid ID
2018489 MA
Medicare enrollment
Enrolled (PECOS I20050324000374); 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 South St

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

  1. Dianne Aguirre, PAPhysician Assistant1659874121
  2. Joseph Amegah, M SMental Health Counselor1972625358
  3. Cheryl Amodeo, RNCase Management Registered Nurse1821134172
  4. Alan Anderson, C.R.N.A.Certified Registered Nurse Anesthetist1891713160
  5. Mary Banda, MDInternal Medicine Physician1265481311
  6. Janet Baum, M.D.Diagnostic Radiology Physician1053392944

Verify Joanna Poluha-O'Neil 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 159144
    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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83% fewer Medicare Part D claims than the average psychiatry physician in 2024

165 Medicare Part D claims for 35 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Joanna Poluha-O'Neil165
  2. Specialty average1,000

Most prescribed

  1. Olanzapine29 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).

Bills Medicare through one group practice

  1. 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).

Joanna Poluha-O'Neil among 2,736 psychiatry physician records in Massachusetts

Joanna Poluha-O'Neil, M.D. is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% 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, 90% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated1986 · median 2005 among the 1,219 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 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 psychiatry physician records list a practice address in Southbridge

They are 7 of the 546 NPPES records with a practice address in Southbridge, and 2,736 psychiatry physician records in Massachusetts.

The 8 psychiatry physician records with the nearest ZIP codes

  1. John Diggins, MDSouthbridge, MA 015501952519415
  2. Carolyn Heimberg, M.D.Southbridge, MA 015501376581728
  3. Jyotikaben Patel, MDSouthbridge, MA 015501538102066
  4. Tina Render, M.D.Southbridge, MA 015501578621397
  5. Marianne Leigh Smith, M.D.Southbridge, MA 015501033156732
  6. Neelam Varshney, M.D.Shrewsbury, MA 015451821258500
  7. Maureen Malin, M.D.Princeton, MA 015411043383847
  8. Meenakshi Vemuri, M.D.Sturbridge, MA 015661720066343

Common questions

What is Joanna Poluha-O'Neil, M.D.'s NPI number?

Joanna Poluha-O'Neil, M.D.'s National Provider Identifier (NPI) is 1235113481, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Joanna Poluha-O'Neil, M.D. located?

The NPPES record lists a practice address at 100 South St, Southbridge, MA, 01550. Phone: (508) 765-9771. Providers update this record themselves, so call before visiting.

How can I verify Joanna Poluha-O'Neil, M.D.'s license?

NPPES lists Massachusetts license number 159144, 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 Joanna Poluha-O'Neil, M.D. prescribe under Medicare Part D?

In 2024, Joanna Poluha-O'Neil, M.D. had 165 Medicare Part D claims for 35 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

What is Joanna Poluha-O'Neil, 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.