Cory Greguske, DO
Anesthesiology Physician · Brighton, MA
Cory Greguske, DO is an anesthesiology physician with a practice address in Brighton, Massachusetts, and NPI 1508483959, issued on Jul 1, 2020. Check the license (Massachusetts 284858, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Cory Greguske
- Credential
- DO
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 284858 MA
25MB12089300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 736 Cambridge St, Brighton, MA 02135
- Phone
- (617) 789-3000
- Enumerated
- Jul 1, 2020
- Record last updated
- Jul 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20250616002793); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2020
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,089 in Massachusetts → Look up another NPI →
Also registered at 736 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brendan Abbott, DOAnesthesiology Physician1477244796
- Bayan Abdallah, MDStudent in an Organized Health Care Education/Training Program1255126686
- Samah Abdallah, MDInternal Medicine Physician1730814971
- Mu'Taz Abualsha'r, MBBSInternal Medicine Physician1609500586
- Angela AchkarInternal Medicine Physician1740971308
Verify Cory Greguske in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 284858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,619.61
14 payments; by number, the most common kind was food and beverage; the largest payer was Becton, Dickinson and Company. The 17,774 providers of this specialty with any payment received $669.59 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 2 group practices
- Las Cruces HB Medical Services LLCLas Cruces, NM
- Metropolitan Anesthesiology Consultants A Medical Group IncCarmichael, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cory Greguske among 2,089 anesthesiology physician records in Massachusetts
Cory Greguske, DO is one of 2,089 anesthesiology 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 2020, is newer than 86% of them.
- NPI issued2020 · 86% of these records are older, 10% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2020 · median 2008 among the 1,472 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 anesthesiology physician records list a practice address in Brighton
They are 67 of the 1,638 NPPES records with a practice address in Brighton, and 2,089 anesthesiology physician records in Massachusetts.
All 2,089 in Massachusetts → Every provider in Brighton → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Thomas Edrich, MD PHDBrighton, MA 021351295721827
- Emily Guimaraes, MDBoston, MA 021351023008323
- Robert Hunsaker, MDBrighton, MA 021351831185479
- Mark Lovich, MDBrighton, MA 021351396739918
- Alla Marshansky, MDBrighton, MA 021351760476592
- Raimis Matulionis, MDBoston, MA 021351437149804
- Srdjan Nedeljkovic, MDBrighton, MA 021351457347015
- Gordon Novak, MDBrighton, MA 021351629067319
Common questions
What is Cory Greguske, DO's NPI number?
Cory Greguske, DO's National Provider Identifier (NPI) is 1508483959, issued on Jul 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Cory Greguske, DO located?
The NPPES record lists a practice address at 736 Cambridge St, Brighton, MA, 02135. Phone: (617) 789-3000. Providers update this record themselves, so call before visiting.
How can I verify Cory Greguske, DO's license?
NPPES lists Massachusetts license number 284858, 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.
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.