Lindsey Oneto Grealish, PA-C
Physician Assistant · Chestnut Hill, MA
Lindsey Oneto Grealish, PA-C is a physician assistant with a practice address in Chestnut Hill, Massachusetts, and NPI 1952612434, issued on Jun 29, 2010. Check the license (Massachusetts PA3997, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lindsey Oneto Grealish
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA3997 MA
Self-reported in NPPES; status is on the state search - Practice location
- 850 Boylston St, Chestnut Hill, MA 02467
- Phone
- (617) 732-9967
- Enumerated
- Jun 29, 2010
- Record last updated
- Mar 5, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110428000405); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 850 Boylston St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeanna Allegrone, DPTPhysical Therapist1477796886
- George Alliegro, MDInternal Medicine Physician1548226293
- Jonathan Arm, MDAllergy & Immunology Physician1841257524
Verify Lindsey Oneto Grealish in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA3997Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average physician assistant in 2024
67 Medicare Part D claims for 50 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 19 claims were for opioids.
Most prescribed
- Diclofenac Sodium11 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.
Industry payments in 2024: $21.78
1 payment: food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Bernard J Durante MD PCBourne, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lindsey Oneto Grealish among 4,713 physician assistant records in Massachusetts
Lindsey Oneto Grealish, PA-C is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 22% of them.
- NPI issued2010 · 22% of these records are older, 76% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2010 · median 2019 among the 3,217 with a school on file
- Record last updated2014 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 physician assistant records list a practice address in Chestnut Hill
They are 26 of the 772 NPPES records with a practice address in Chestnut Hill, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Chestnut Hill → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kelly Buchanan, PAChestnut Hill, MA 024671205096583
- Rebecca Cantor, PA-CChestnut Hill, MA 024671417317819
- Kelly Diloffi, PA-CChestnut Hill, MA 024671790880276
- Joey Gee, PA/CChestnut Hill, MA 024671700260049
- Laura Gilbert, PA-CChestnut Hill, MA 024671841566791
- Handan Isman, PA-CChestnut Hill, MA 024671184856098
- Sheri Martinelli, PA-CChestnut Hill, MA 024671649229022
- Emmanuel Saintfleur, PAChestnut Hill, MA 024671700926615
Common questions
What is Lindsey Oneto Grealish, PA-C's NPI number?
Lindsey Oneto Grealish, PA-C's National Provider Identifier (NPI) is 1952612434, issued on Jun 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Lindsey Oneto Grealish, PA-C located?
The NPPES record lists a practice address at 850 Boylston St, Chestnut Hill, MA, 02467. Phone: (617) 732-9967. Providers update this record themselves, so call before visiting.
How can I verify Lindsey Oneto Grealish, PA-C's license?
NPPES lists Massachusetts license number PA3997, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Lindsey Oneto Grealish, PA-C prescribe under Medicare Part D?
In 2024, Lindsey Oneto Grealish, PA-C had 67 Medicare Part D claims for 50 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.