Healthcare provider profile · identity verified

Robert Frederic Greiner, D.O.

Allopathic & Osteopathic Physicians|Orthopaedic Surgery · INDEPENDENCE, MO · NPI 1295885853

Profile state: payments and partd Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

CMS Open Payments records show Robert Frederic Greiner, D.O. received $1,596.78 in general payments during 2025 across 45 reported records.

Smith+Nephew, Inc. accounted for 33.7% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 18 associated products.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$1,596.78

45 reported records · 13 companies

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Smith+Nephew, Inc. Unresolved — no canonical attribution shown $538.5033.7%82025
BioWound Solutions, Inc. Unresolved — no canonical attribution shown $193.7812.1%32025
ACUMED LLC Unresolved — no canonical attribution shown $162.7610.2%22025
ORTHALIGN INC Unresolved — no canonical attribution shown $154.359.7%22025
Titan Surgical Group, LLC Unresolved — no canonical attribution shown $115.237.2%12025
Ferring Pharmaceuticals Inc. Unresolved — no canonical attribution shown $110.546.9%62025
Electronic Waveform Lab, Inc. Unresolved — no canonical attribution shown $92.815.8%142025
Linvatec Corporation Unresolved — no canonical attribution shown $68.584.3%12025
Fidia Pharma USA Inc. Unresolved — no canonical attribution shown $63.404.0%32025
Bioventus LLC Unresolved — no canonical attribution shown $46.952.9%22025
Globus Medical, Inc. Unresolved — no canonical attribution shown $19.281.2%12025
DePuy Synthes Sales Inc. Unresolved — no canonical attribution shown $16.441.0%12025
Dynasplint Systems Inc. Unresolved — no canonical attribution shown $14.160.9%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$1,596.7845

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
Bone Anchors with Arthroscopic Delivery System
Normalized: bone anchors with arthroscopic delivery system
Device Smith+Nephew, Inc. $310.31 5 2025
Source payment records
bio-ConneKt
Normalized: bio connekt
Device BioWound Solutions, Inc. $193.78 3 2025
Source payment records
Acumed
Normalized: acumed
Device ACUMED LLC $162.76 2 2025
Source payment records
INnate Implant
Normalized: innate implant
Device ACUMED LLC $162.76 2 2025
Source payment records
ORTHALIGN PLUS
Normalized: orthalign plus
Device ORTHALIGN INC $154.35 2 2025
Source payment records
EUFLEXXA
Normalized: euflexxa
Device Ferring Pharmaceuticals Inc. $110.54 6 2025
Source payment records
INTEllIO LINK WEREWOLF
Normalized: intellio link werewolf
Device Smith+Nephew, Inc. $85.55 1 2025
Source payment records
N/A
Normalized: n a
Device Smith+Nephew, Inc. $85.55 1 2025
Source payment records
BIOBRACE 23MM
Normalized: biobrace 23mm
Device Linvatec Corporation $68.58 1 2025
Source payment records
HYMHYN
Normalized: hymhyn
Device Fidia Pharma USA Inc. $63.40 3 2025
Source payment records
XCELL
Normalized: xcell
Device Bioventus LLC $46.95 2 2025
Source payment records
ONVOY
Normalized: onvoy
Device Globus Medical, Inc. $19.28 1 2025
Source payment records
MONOVISC
Normalized: monovisc
Device DePuy Synthes Sales Inc. $16.44 1 2025
Source payment records
ORTHOVISC
Normalized: orthovisc
Device DePuy Synthes Sales Inc. $16.44 1 2025
Source payment records
Dynasplint
Normalized: dynasplint
Device Dynasplint Systems Inc. $14.16 1 2025
Source payment records
Coblation
Normalized: coblation
Device Smith+Nephew, Inc. $10.00 1 2025
Source payment records
DYONICS 25
Normalized: dyonics 25
Device Smith+Nephew, Inc. $10.00 1 2025
Source payment records
GoFlo Pump
Normalized: goflo pump
Device Smith+Nephew, Inc. $10.00 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

No exact normalized or approved-alias overlap was found in the loaded Part D year. This does not mean the doctor never prescribed the product.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

No publishable same-company prescribing overlap was found in the loaded Part D year. This does not mean the doctor never prescribed a drug reported elsewhere by a paying company.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen218105
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen16375
AmoxicillinAmoxicillin11241
MeloxicamMeloxicam10338
Tramadol HclTramadol Hcl6937
NaproxenNaproxen5720
Ciprofloxacin HclCiprofloxacin Hcl4949
MethylprednisoloneMethylprednisolone4540
XareltoRivaroxaban4040
Cyclobenzaprine HclCyclobenzaprine Hcl3122
CephalexinCephalexin1917
CelecoxibCelecoxib18suppressed
IbuprofenIbuprofen1811
Clindamycin HclClindamycin Hcl15suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025 $1,596.78 · 45 records Smith+Nephew, Inc. Acumed, BIOBRACE 23MM, Bone Anchors with Arthroscopic Delivery System, Coblation, DYONICS 25, Dynasplint, EUFLEXXA, GoFlo Pump, HYMHYN, INTEllIO LINK WEREWOLF, INnate Implant, MONOVISC, N/A, ONVOY, ORTHALIGN PLUS, ORTHOVISC, XCELL, bio-ConneKt
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error