Elizabeth Gilbert Thayer
Obstetrics & Gynecology Physician · Worcester, MA
Elizabeth Gilbert Thayer is an obstetrics & gynecology physician with a practice address in Worcester, Massachusetts, and NPI 1518464874, issued on Apr 12, 2018. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Gilbert Thayer
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 91071 GA
Self-reported in NPPES; status is on the state search - Practice location
- 119 Belmont St, Worcester, MA 01605
- Phone
- (508) 334-1000
- Enumerated
- Apr 12, 2018
- Record last updated
- Jun 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20220712003511); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 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 Elizabeth Gilbert Thayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
98 Medicare Part D claims for 54 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Oxycodone Hcl34 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): 92.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $99.95
1 payment: education; the largest payer was Seagen Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- The Emory Clinic IncAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Gilbert Thayer among 1,127 obstetrics & gynecology physician records in Massachusetts
Elizabeth Gilbert Thayer is one of 1,127 obstetrics & gynecology 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 2018, is newer than 87% of them.
- NPI issued2018 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2004 among the 715 with a school on file
- Record last updated2022 · 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 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Worcester → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mark Aversa, MDWorcester, MA 016051205806908
- Don Deprez, M.D.Worcester, MA 016051700981594
- Patrick Hogan, M.D.Worcester, MA 016051245221449
- Julia Johnson, M.D.Worcester, MA 016051689787293
- Crista Johnson-Agbakwu, MD, MSCWorcester, MA 016051649363755
- Kitsa Kondylis-Deblois, MDWorcester, MA 016051346218807
- Tara Kumaraswami, M.D.Worcester, MA 016051144373184
- Mark Manning, D.O.Worcester, MA 016051487707329
Common questions
What is Elizabeth Gilbert Thayer's NPI number?
Elizabeth Gilbert Thayer's National Provider Identifier (NPI) is 1518464874, issued on Apr 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Gilbert Thayer located?
The NPPES record lists a practice address at 119 Belmont St, Worcester, MA, 01605. Phone: (508) 334-1000. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Gilbert Thayer's license?
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 Elizabeth Gilbert Thayer prescribe under Medicare Part D?
In 2024, Elizabeth Gilbert Thayer had 98 Medicare Part D claims for 54 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Elizabeth Gilbert Thayer's MIPS final score?
The 2023 MIPS final score is 92.3 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.