Ariel Omar Chavez , PA-C
Physician Assistant โข Chicago, IL
676 N Saint Clair St Ste 850
Chicago, IL 606113124
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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NPI assigned on February 5, 2010; this date does not establish years in practice.
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Published CMS data list 16 Original Medicare Part B services in 2021.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2021. Published rows only; this is not a quality measure.
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Published Part B service records, 2021:
- 99213 โ Established patient outpatient office visit: 16 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2021. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2020 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2021). CPT notice
See the full table ยท Guide: How to read Medicare Part B data
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Published CMS data list 1,037 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Atorvastatin Calcium โ 83 prescription fills, including refills.
- Gabapentin โ 56 prescription fills, including refills.
- Levothyroxine Sodium โ 54 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 38 records in the table ยท Guide: How to read Medicare Part D prescriber data
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More Part D prescriptions than 90% of clinicians listed under Physician Assistant in Chicago, IL (2024, 651 clinicians with data). Median for this group: 116. Middle half: 41 to 337.
More Part D prescriptions than 80% of clinicians listed under Physician Assistant in Illinois (2024, 2,668 clinicians with data). Median for this group: 203. Middle half: 67 to 595.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 17 in 2018 to 16 in 2021.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2018โ2021.
Practice Location & Contact Primary Location
676 N Saint Clair St Ste 850
Chicago, IL 606113124
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $1,341 in 2021
The total amount Medicare approved for these services in 2021. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2021.
Paid by Medicare
About $1,075 in 2021
The part of the Medicare-allowed amount that Medicare itself paid in 2021, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2021.
30-day fills
2,459 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
$10,852 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 โ by Provider and Drug, 2024.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $101.46 in 2024
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 2024.
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, โDoes your provider accept Medicare as full payment?โ
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.
Enrolled in Medicare (PECOS)
Ariel Chavez has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Ariel Chavez as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Chicago and Illinois
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
More Part D prescriptions than 90% of clinicians listed under Physician Assistant in Chicago, IL (2024, 651 clinicians with data). Median for this group: 116. Middle half: 41 to 337.
More Part D prescriptions than 80% of clinicians listed under Physician Assistant in Illinois (2024, 2,668 clinicians with data). Median for this group: 203. Middle half: 67 to 595.
Part D drug cost
A higher Part D drug cost than 60% of clinicians listed under Physician Assistant in Chicago, IL (2024, 651 clinicians with data). Median for this group: $1,977. Middle half: $320 to $34,048.
A higher Part D drug cost than 60% of clinicians listed under Physician Assistant in Illinois (2024, 2,668 clinicians with data). Median for this group: $3,018. Middle half: $535 to $48,132.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Ariel Chavez are from 2021.
1,446 active clinicians are listed under Physician Assistant with a practice address in Chicago, IL (4,929 in Illinois).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Chicago
17.4% of these 1,446 clinicians have the CMS telehealth indicator.
63.6% of these 1,446 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services went from 17 in 2018 to 16 in 2021.
- 2018: 17
- 2019: 17
- 2021: 16
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Medicare-allowed amount
Medicare-allowed amount went from $787 in 2018 to $1,341 in 2021.
- 2018: $787
- 2019: $794
- 2021: $1,341
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Paid by Medicare
Paid by Medicare went from $590 in 2018 to $1,075 in 2021.
- 2018: $590
- 2019: $522
- 2021: $1,075
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Medicare Part D prescriptions
Medicare Part D prescriptions went from 11 in 2016 to 1,037 in 2024.
- 2016: 11
- 2017: 22
- 2022: 347
- 2023: 3,915
- 2024: 1,037
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30-day fills
30-day fills went from 17 in 2016 to 2,459 in 2024.
- 2016: 17
- 2017: 46
- 2022: 724
- 2023: 8,046
- 2024: 2,459
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Part D drug cost
Part D drug cost went from $192 in 2016 to $10,852 in 2024.
- 2016: $192
- 2017: $1,866
- 2022: $3,796
- 2023: $284,057
- 2024: $10,852
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $127.58 in 2021 to $101.46 in 2024.
- 2021: $127.58
- 2022: $29.26
- 2024: $101.46
Sources: CMS Medicare Physician & Other Practitioners (2021), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo ยท 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 2024 (payments made January 1 โ December 31, 2024): fewer than 11 records totaling $101.46.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Salix Pharmaceuticals, a division of Bausch Health US, LLC |
Food and Beverage
In-kind items and services
|
XIFAXAN | General | $101.46 |
Source: CMS Open Payments, program year 2024, released June 30, 2026.
Performed Procedures & Service Volume
CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2017โ2020 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ by Provider and Service data, 2018โ2021; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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16 | 15 | $219.00 | $83.82 |
Source: CMS Part B by Provider and Service, 2021; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
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 |
|---|---|---|---|---|---|
| Atorvastatin Calcium | Atorvastatin Calcium | 83 | 6,950 | $338.06 | 47 |
| Gabapentin | Gabapentin | 56 | 2,616 | $972.67 | 35 |
| Levothyroxine Sodium | Levothyroxine Sodium | 54 | 4,080 | $415.63 | 25 |
| Metoprolol Succinate | Metoprolol Succinate | 54 | 4,253 | $642.40 | 21 |
| Lisinopril | Lisinopril | 53 | 4,530 | $248.34 | 27 |
| Omeprazole | Omeprazole | 51 | 4,290 | $625.03 | 32 |
| Amlodipine Besylate | Amlodipine Besylate | 50 | 4,410 | $134.67 | 25 |
| Prednisone | Prednisone | 44 | 397 | $86.89 | 27 |
| Metformin Hcl | Metformin Hcl | 44 | 3,900 | $308.18 | 24 |
| Vitamin D2 | Ergocalciferol (Vitamin D2) | 32 | 2,576 | $138.35 | 20 |
| Azithromycin | Azithromycin | 30 | 149 | $122.66 | 23 |
| Ibuprofen | Ibuprofen | 30 | 1,075 | $223.46 | 22 |
| Losartan Potassium | Losartan Potassium | 27 | 2,370 | $180.26 | 14 |
| Meloxicam | Meloxicam | 23 | 1,320 | $110.97 | โ |
| Montelukast Sodium | Montelukast Sodium | 23 | 1,710 | $221.17 | 14 |
| Glipizide | Glipizide | 23 | 2,070 | $140.55 | 12 |
| Meclizine Hcl | Meclizine Hcl | 22 | 760 | $188.55 | 12 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 22 | 1,980 | $236.46 | 15 |
| Tamsulosin Hcl | Tamsulosin Hcl | 21 | 1,890 | $276.67 | 17 |
| Celecoxib | Celecoxib | 21 | 1,545 | $2,383.20 | 15 |
| Pravastatin Sodium | Pravastatin Sodium | 20 | 1,800 | $224.55 | โ |
| Glimepiride | Glimepiride | 19 | 1,710 | $97.85 | 11 |
| Hydrochlorothiazide | Hydrochlorothiazide | 19 | 1,710 | $37.22 | 11 |
| Ciprofloxacin Hcl | Ciprofloxacin Hcl | 18 | 94 | $94.22 | 14 |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 17 | 1,530 | $121.01 | โ |
(top 25 shown)
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: 2021-06-30NUCC Taxonomy Code: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PHYSICIAN ASSISTANT
I20111206000111
IL
1557536422
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Physician Assistant
Internal Medicine - Hematology & Oncology
Doctor of Medicine (M.D.)
Internal Medicine - Hematology & Oncology
Doctor of Medicine (M.D.)
Internal Medicine - Medical Oncology
Doctor of Medicine (M.D.)
Nurse Practitioner
Doctor of Nursing Practice, Adult-Gerontology Nurse Practitioner (Board Certified)
Physician Assistant - Medical
Physician Assistant (Certified)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 676 N SAINT CLAIR ST STE 850, CHICAGO, IL 606113124 (Tel: 3126956180)
Registered at 676 N SAINT CLAIR ST STE 850, CHICAGO, IL 606113124 (Tel: 3126956180)
NPI status registered as active in NPPES database
Registered at 1901 W HARRISON ST, ROOM 449, CHICAGO, IL 606123714 (Tel: 3128645204)
Registered at 1901 W HARRISON ST, ROOM 449, CHICAGO, IL 606123714 (Tel: 3128645242)
Recorded as ARIEL CHAVEZ, PA-C
Physician Assistant (license number reported to NPPES: IL 085003644)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Physician Assistants in Chicago
- Isabelle Van Huis
- Chelsea Campbell, PA-C
- Natalia Zaparaniuk, PA-C
- Emily Fenton
- Michelle Arriola, PA-C
- Amelia Lamb
Mailing Address
676 N Saint Clair St Ste 850
Chicago, IL 606113124
Phone: 3126956180