Has Clifford Clark, MD received payments from drug or device companies?

Yes. Drug and device makers reported $20,019 in general payments to Clifford Clark, MD across 46 transactions between 2019–2025. Most Open Payments records nationally are meals worth under $20; a reported payment is not evidence of wrongdoing.

Does a payment mean Clifford Clark, MD did something wrong?

No. Federal law requires drug and device makers to report almost every transfer of value to a physician, including a $14 sandwich at a lunch presentation. Consulting fees, research funding and royalties to device inventors are ordinary, legal parts of medicine. This site reports what was disclosed; it makes no allegation.

Where does this information about Clifford Clark, MD come from?

The U.S. Centers for Medicare & Medicaid Services. Payments come from Open Payments, published under the Physician Payments Sunshine Act. Billing and prescribing figures come from the Medicare Physician & Other Practitioners and Part D Prescriber public use files for 2024.

Clifford Clark, MD

Adult Reconstructive Orthopaedic Surgery · Fort Collins, CONPI 1881612653

Payments from drug & device makers

What this record shows

This record is dominated by consulting fees: $17,625 of the $20,019 with a category attached, or 88.0%. Zimmer Biomet accounts for 98.8% of it on its own, with 7 other manufacturers making up the rest. Reporting peaked in 2021 at $18,751 and has fallen 97.8% since, to $418 in 2025.

$20,019in general payments, 2019–2025

Across 46 payments — averaging $435.20 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

Zimmer Biomet$20K
Encore Medical, LP$114
Pacira Pharmaceuticals Incorporated$30
Convatec Inc.$27
Stryker$26
Phathom Pharmaceuticals, Inc.$15
plus $28 from 2 others

What the payments were for

Consulting fees$17,62588%
Travel & lodging$7304%
Food & beverage$1,3767%
Education$2881%

General payments by program year

Who reported the general payments

Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.

Company	Payments	Total
Zimmer Biomet	39	$19,781
Encore Medical, LP	1	$114
Pacira Pharmaceuticals Incorporated	1	$30
Convatec Inc.	1	$27
Stryker	1	$26
Phathom Pharmaceuticals, Inc.	1	$15
Orthalign Inc	1	$15
Merck	1	$13

What the payments were tied to

Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.

How this compares

$20,019 in reported general payments places this provider in the 65th percentile of 31 adult reconstructive orthopaedic surgery providers in Colorado.

See all adult reconstructive orthopaedic surgery providers in Colorado →

Medicare billing

Part B allowed, 2024

$636,625

Medicare patients

916

Services billed

6,363

What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.

Most prescribed under Part D

Drug	Claims	Cost to plans & patients
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen	238	$2,988
Celecoxib	122	$2,696
Meloxicam	234	$745
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen	47	$716
Ondansetron Hcl	79	$546
Cephalexin	85	$278
Tramadol Hcl	60	$255
Gabapentin	40	$240
Cyclobenzaprine Hcl	35	$238
Oxycodone Hcl	14	$108
Hydromorphone Hcl	11	$69
Zolpidem Tartrate	11	$42
Potassium Chloride	14	$32
Furosemide	17	$25

Paid to pharmacies, not to this prescriber.

Other adult reconstructive orthopaedic surgery in Fort Collins

Sean GreyFort Collins$761K
Kirk KindsfaterFort Collins$578K
Armodios HatzidakisDenver$1.4M
Derek JohnsonParker$181K
Mark TuttleDenver$95K
Michael DaytonAurora$56K
Jason JenningsDenver$45K
David ForresterColorado Springs$29K
Hailee ReistDenver$27K
Eric BaslerAurora$24K

See the full list for Colorado →

Where these figures come from

Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
Identity: NPPES NPI Registry, July 2026.

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