NPPES file of Aug 9, 2026

Tia Oh, NP

Family Nurse Practitioner · Southbridge, MA

Tia Oh, NP is a family nurse practitioner with a practice address in Southbridge, Massachusetts, and NPI 1699054056, issued on Aug 16, 2011. Check the license (Massachusetts RN2264812, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1699054056
Name
Tia Oh
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2264812 MA
Self-reported in NPPES; status is on the state search
Practice location
100 South St, Southbridge, MA 01550
Phone
(508) 765-9771
Enumerated
Aug 16, 2011
Record last updated
Feb 23, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(508) 909-7735
Medicare enrollment
Enrolled (PECOS I20111105000067); 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 Tia Oh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2264812
    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
Find 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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82% fewer Medicare Part D claims than the average family nurse practitioner in 2024

234 Medicare Part D claims for 105 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Tia Oh234
  2. Specialty average1,305

Most prescribed

  1. Cefpodoxime Proxetil25 claims
  2. Prednisone21 claims
  3. Amlodipine Besylate12 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: $301.68

3 payments; by number, the most common kind was food and beverage; the largest payer was Davol Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tia Oh$301.68
  2. Specialty average$650.95

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. Umass Memorial Medical Group IncSouthbridge, MA

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

Tia Oh among 4,724 family nurse practitioner records in Massachusetts

Tia Oh, NP is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 20% of them.

  • NPI issued2011 · 20% of these records are older, 77% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2011 · median 2019 among the 2,704 with a school on file
  • Record last updated2018 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 family nurse practitioner records list a practice address in Southbridge

They are 10 of the 546 NPPES records with a practice address in Southbridge, and 4,724 family nurse practitioner records in Massachusetts.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Ariel Bullock, APRNSouthbridge, MA 015501205388915
  2. Erin Dashnaw, FNPSouthbridge, MA 015501235680513
  3. Sara Gallant, FNP-CSouthbridge, MA 015501194310862
  4. Eileen Kane, FNPSouthbridge, MA 015501700062262
  5. Alexandr KleynermanSouthbridge, MA 015501669889861
  6. Kally Petka, FNPSouthbridge, MA 015501548892326
  7. Margaret Poole, ARNP, FNP-BCSouthbridge, MA 015501932165719
  8. Cindy PorterSouthbridge, MA 015501083158083

Common questions

What is Tia Oh, NP's NPI number?

Tia Oh, NP's National Provider Identifier (NPI) is 1699054056, issued on Aug 16, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Tia Oh, NP 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 Tia Oh, NP's license?

NPPES lists Massachusetts license number RN2264812, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Tia Oh, NP prescribe under Medicare Part D?

In 2024, Tia Oh, NP had 234 Medicare Part D claims for 105 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Tia Oh, NP'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.