Dr. Mark S Palo , DDS, MS
Dentist - Endodontics • Oak Brook, IL
120 Oakbrook Ctr, #714
Oak Brook, IL 605231806
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. Mark Palo is listed in NPPES under Dentist - Endodontics.
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NPI assigned on February 4, 2010; this date does not establish years in practice.
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Published CMS data list 147 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Amoxicillin — 104 prescription fills, including refills.
- Clindamycin Hcl — 32 prescription fills, including refills.
- Methylprednisolone — 11 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – 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 · Guide: How to read Medicare Part D prescriber data
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More Part D prescriptions than 80% 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 – by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part D prescriptions went from 81 in 2020 to 147 in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2020–2024.
Practice Location & Contact Primary Location
120 Oakbrook Ctr
#714
Oak Brook, IL 605231806
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
147 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
$368 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 – by Provider and Drug, 2024.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019–2025.
NPI first issued
2010
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, “Does your provider accept Medicare as full payment?”
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 Oak Brook and Illinois
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
More Part D prescriptions than 80% 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 Oak Brook have Medicare Part D data for 2024 to compare.
Part D drug cost
A higher Part D drug cost than 70% 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 Oak Brook have Medicare Part D data for 2024 to compare.
4 active clinicians are listed under Dentist - Endodontics with a practice address in Oak Brook, 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
Medicare Part D prescriptions increased 81% from 81 in 2020 to 147 in 2024.
- 2020: 81
- 2021: 134
- 2022: 155
- 2023: 164
- 2024: 147
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30-day fills
30-day fills increased 81% from 81 in 2020 to 147 in 2024.
- 2020: 81
- 2021: 134
- 2022: 155
- 2023: 164
- 2024: 147
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Part D drug cost
Part D drug cost went from $379 in 2020 to $368 in 2024.
- 2020: $379
- 2021: $562
- 2022: $713
- 2023: $848
- 2024: $368
Sources: CMS Medicare Part D Prescribers (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
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 | Amoxicillin | 104 | 727 | $236.12 | 88 |
| Clindamycin Hcl | Clindamycin Hcl | 32 | 226 | $79.39 | 29 |
| Methylprednisolone | Methylprednisolone | 11 | 66 | $52.41 | — |
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
NUCC 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 - Endodontics
Doctor of Dental Surgery, Master of Science
Dentist - Endodontics
Doctor of Dental Surgery, Master of Science
Dentist - Periodontics
Doctor of Dental Medicine
Dentist - Endodontics
Doctor of Dental Surgery
Dentist
Doctor of Dental Surgery
Career & Practice History
NPI enumerated February 04, 2010.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.
NPI Administrative Meta
Other Dentist - Endodontics Specialists in Oak Brook
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Mailing Address
120 Oakbrook Ctr, #714
Oak Brook, IL 605231806
Phone: 6306543331