Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

JUSTIN GRANSTEIN

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1699169599
CMS profile
10179914
Location
BOSTON, MA

General Payments · PY2021–2024

$90,235.89

  • Reported across 55 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,364.89

20 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Travel and Lodging $1,511.02 5
Food and Beverage $853.87 15

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Medical Device Business Services, Inc. $1,746.24 10
DePuy Synthes Sales Inc. $274.63 2
Medtronic, Inc. $194.54 1
Imperative Care, INc $131.32 6
Aesculap, Inc. $18.16 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $85,418.52 7
PY2022 $1,546.48 18
PY2023 $906.00 10
PY2024 $2,364.89 20

Payment records · PY2024 (20)

Sorted by paying entity, then date · as published by CMS

Program year 2024 202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Aesculap, Inc. $18.16 04/12/2024 Food and Beverage Undisputed 01/23/2026 1154288258 CMS
DePuy Synthes Sales Inc. $97.32 05/09/2024 Food and Beverage Undisputed 01/23/2026 1077851098 CMS
DePuy Synthes Sales Inc. $177.31 07/25/2024 Food and Beverage Undisputed 01/23/2026 1077851168 CMS
Imperative Care, Inc $19.50 01/25/2024 Food and Beverage Undisputed 01/23/2026 1144204449 CMS
Imperative Care, Inc $23.46 08/08/2024 Food and Beverage Undisputed 01/23/2026 1144204451 CMS
Imperative Care, Inc $14.50 09/25/2024 Food and Beverage Undisputed 01/23/2026 1144204453 CMS
Imperative Care, Inc $15.70 09/26/2024 Food and Beverage Undisputed 01/23/2026 1144204455 CMS
Imperative Care, Inc $34.49 10/25/2024 Food and Beverage Undisputed 01/23/2026 1144204457 CMS
Imperative Care, Inc $23.67 12/09/2024 Food and Beverage Undisputed 01/23/2026 1144204459 CMS
Medical Device Business Services, Inc. $32.82 12/12/2024 Travel and Lodging Undisputed 01/23/2026 1077785820 CMS
Medical Device Business Services, Inc. $30.10 12/12/2024 Food and Beverage Undisputed 01/23/2026 1077785946 CMS
Medical Device Business Services, Inc. $186.55 12/12/2024 Travel and Lodging Undisputed 01/23/2026 1077786040 CMS
Medical Device Business Services, Inc. $158.60 12/12/2024 Food and Beverage Undisputed 01/23/2026 1077786540 CMS
Medical Device Business Services, Inc. $631.30 12/12/2024 Travel and Lodging Undisputed 01/23/2026 1077786570 CMS
Medical Device Business Services, Inc. $637.20 12/12/2024 Travel and Lodging Undisputed 01/23/2026 1077786572 CMS
Medical Device Business Services, Inc. $11.81 12/13/2024 Food and Beverage Undisputed 01/23/2026 1077785818 CMS
Medical Device Business Services, Inc. $18.50 12/13/2024 Food and Beverage Undisputed 01/23/2026 1077785862 CMS
Medical Device Business Services, Inc. $23.15 12/13/2024 Travel and Lodging Undisputed 01/23/2026 1077786038 CMS
Medical Device Business Services, Inc. $16.21 12/13/2024 Food and Beverage Undisputed 01/23/2026 1077786608 CMS
Medtronic, Inc. $194.54 01/25/2024 Food and Beverage Undisputed 01/23/2026 1119438463 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

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