Dr. Patrick J Clark , DDS
Dentist - Endodontics β’ River Forest, IL
7603 North Ave
River Forest, IL 603051133
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Patrick Clark is listed in NPPES under Dentist - Endodontics.
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NPI assigned on February 23, 2016; this date does not establish years in practice.
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Published CMS data list 13 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers β by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) β 13 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers β by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table Β· Guide: How to read Medicare Part D prescriber data
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Fewer Part D prescriptions than 95% of clinicians listed under Dentist - Endodontics in Illinois (2024, 105 clinicians with data). Median for this group: 60. Middle half: 32 to 120.
Source: CMS, Medicare Part D Prescribers β by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
Practice Location & Contact Primary Location
7603 North Ave
River Forest, IL 603051133
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Dentist - Endodontics: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
13 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$68 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers β by Provider and Drug, 2024.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $13.38 in 2025
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2025.
NPI first issued
2016
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in River Forest and Illinois
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
Fewer Part D prescriptions than 95% of clinicians listed under Dentist - Endodontics in Illinois (2024, 105 clinicians with data). Median for this group: 60. Middle half: 32 to 120.
Too few clinicians listed under Dentist - Endodontics in River Forest have Medicare Part D data for 2024 to compare.
Part D drug cost
A lower Part D drug cost than 85% of clinicians listed under Dentist - Endodontics in Illinois (2024, 105 clinicians with data). Median for this group: $233. Middle half: $106 to $436.
Too few clinicians listed under Dentist - Endodontics in River Forest have Medicare Part D data for 2024 to compare.
5 active clinicians are listed under Dentist - Endodontics with a practice address in River Forest, IL (214 in Illinois).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part D prescriptions
CMS data for Part D prescriptions are available for 2024 only.
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30-day fills
CMS data for 30-day fills are available for 2024 only.
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Part D drug cost
CMS data for Part D drug cost are available for 2024 only.
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $404.35 in 2022 to $13.38 in 2025.
- 2022: $404.35
- 2023: $208.15
- 2025: $13.38
Sources: CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 β December 31, 2025): fewer than 11 records totaling $13.38.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| NuSmile, Ltd. |
Food and Beverage
Cash or cash equivalent
|
AB - ZARC System | General | $13.38 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 13 | 83 | $67.95 | 13 |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2023-08-04NUCC Taxonomy Code: 1223E0200X
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Dentist - Oral and Maxillofacial Surgery
Doctor of Dental Surgery
Dentist - Endodontics
Doctor of Dental Surgery
Dentist - Oral and Maxillofacial Surgery
Doctor of Dental Surgery
Dentist - Endodontics
Doctor of Dental Surgery
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 7603 NORTH AVE, RIVER FOREST, IL 603051133 (Tel: 7084567787)
Dentist (license number reported to NPPES: IL 019.032040)
Registered at UIC COLLEGE OF DENTISTRY, 801 S PAULINA ST,, CHICAGO, IL 60612 (Tel: 2532418160)
Registered at 548 SHERIDAN RD APT 2N, EVANSTON, IL 602024719 (Tel: 2532418160)
Dentist (license number reported to NPPES: IL 019.032040)
NPI status registered as active in NPPES database
Registered at 554 KELLY STREET, BUMED, ATTN: CREDENTIALING & PRIVILEGING DIRECTORATE, JACKSONVILLE, FL 32212 (Tel: 2532418160)
Registered at 312 KEACH LOOP, STEILACOOM, WA 983883029 (Tel: 2532418160)
Recorded as PATRICK CLARK, DDS
Dentist (license number reported to NPPES: WA DE60584237)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Dentist - Endodontics Specialists in River Forest
Healthcare providers in River ForestMailing Address
548 Sheridan Rd Apt 2n
Evanston, IL 602024719
Phone: 2532418160