Cognitive DysfunctionCognition DisordersPET Scan
Dr. Grazyna Piekos, MD
NPI1780605899PAC ID7911979984
- Medicare services, 2024
- 11,098
- Medicare patients, 2024
- 268
- Part D claims, 2024
- 2,956
- Clinical trials
- 1
- Hospital affiliations
- 6
- Practice address
- 333 Madison St, Joliet, IL 60435
- Practice phone
- Call (815) 725-7133
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Joseph Medical Center - Joliet
Joliet, Illinois
Find Dr. Piekos' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Grazyna Piekos is a neurologist in Joliet, Illinois
Dr. Piekos practices at St Joseph Medical Center - Joliet in Joliet, Illinois.
Dr. Piekos' NPI, 1780605899, was assigned on July 22, 2006. Dr. Piekos graduated from Bialystok Medical Academy in 1988. Dr. Piekos holds Illinois license 036090242.
NPI and contact details
- NPI
- 1780605899NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911979984
- NPI enumeration date
- July 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 725-7133
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grazyna Piekos practices at St Joseph Medical Center - Joliet in Joliet, Illinois
Dr. Piekos' primary practice is St Joseph Medical Center - Joliet, at 333 Madison St, Joliet, IL 60435 in Will County. The practice phone is (815) 725-7133.
- St Joseph Medical Center - Joliet333 Madison St, Joliet, IL 60435 · Will CountyPhone(815) 725-7133
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Grazyna Piekos is affiliated with 9 sites of care
Dr. Piekos' primary practice is St Joseph Medical Center - Joliet in Joliet, Illinois. Dr. Piekos is also affiliated with Saint Joseph Medical Center. Dmand AI also links Dr. Piekos to 5 more hospitals, 1 physician office and 1 home health agency, each named with a free account.
St Joseph Medical Center - JolietPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Grazyna Piekos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Piekos practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Joseph Medical Center - Joliet | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Grazyna Piekos is one of 822 neurologists in Illinois
Neurology is Dr. Piekos' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Piekos is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Piekos' licenses on file in 2 states: Illinois and Virginia.
Specialties and state licenses
- Neurology, IllinoisPrimary
- Virginia license
Clinical focus
Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, epilepsy, essential tremor, fibromyalgia and chronic pain, hereditary polyneuropathy, lower back pain and migraine and chronic headache among the conditions Dr. Piekos treats.
Neurologists near Dr. Piekos
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
822neurologists in Illinois
5neurologists in Joliet
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Grazyna Piekos billed Medicare for 11,098 services in 2024
CMS data shows 11,098 Medicare services from Dr. Piekos across 7 procedure codes in 2024, for 268 Medicare patients. Medicare paid $133,698 for them. Every service was in an office.
Medicare services, 202411,098
Medicare patients268
Paid by Medicare$133,698
Procedure codes7
Dr. Piekos' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 9,9082024: 10,4025%
- Office and hospital visits
- 2023: 7392024: 64812%
- Surgery
- 2023: 562024: 4814%
Dr. Piekos compared with the Illinois median for neurologists, 2024
- Dr. Piekos
- Illinois median
- Medicare services
- 11,098vs 40127.7 times
- Medicare patients
- 268vs 22519% above
- Part D claims
- 2,491vs 3187.8 times
Medians across 747 neurologists in Illinois with Dmand AI profiles that report each measure.
Dr. Piekos' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Piekos?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Piekos and other neurologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grazyna Piekos treated 268 Medicare patients in 2024, average age 73
CMS counts 268 Medicare patients who saw Dr. Piekos in 2024. The largest group is 65 to 74, with 122 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Piekos' median patient age at 72, with 62% women.
Medicare patients, 2024268
Average age73
Average risk score1.33
Also on Medicaid35%
Dr. Piekos' Medicare patients by age, 2024
Dr. Piekos' Medicare patients by sex, 2024
- Women16963%
- Men9937%
Chronic conditions among Dr. Piekos' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety60%
- Arthritis54%
- Mood disorders33%
- Diabetes31%
- Depression29%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Piekos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Grazyna Piekos wrote 2,956 Medicare Part D claims in 2024
In 2024, Dr. Piekos wrote 2,956 Medicare Part D claims for 409 patients. 86% of them were for generic drugs. CMS names the drug for 2,491 of them, across 64 drugs with 11 or more claims each, at $1,046,093 in total drug cost. In 2023, CMS named 2,202 claims across 52 drugs.
Part D claims, 20242,956
Drugs named by CMS64
Total drug cost$1M
Part D patients409
Dr. Piekos' Part D claims by kind of drug, 2024
- Generic2,545 claims86%
- Brand-name395 claims13%
- Other16 claims1%
Dr. Piekos' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Piekos' Part D claims, 2024
- Opioids2%48 of 2,956 claims
- Antibiotics0%13 of 2,956 claims
- Antipsychotics, patients 65 and over1%33 of 2,956 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,2022024: 2,49113%
Drugs named by CMS: 64 in 2024, 52 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Grazyna Piekos scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Piekos for performance year 2024, reported individually. Dr. Piekos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Piekos' MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Grazyna Piekos has worked on 1 clinical trial
Dmand AI links Dr. Piekos to 1 clinical trial. Conditions studied include Cognitive Dysfunction and Cognition Disorders.
Conditions in Dr. Piekos' trials
- Cognitive Dysfunction
- Cognition Disorders
Investigators on the most trials with Dr. Piekos
Recent clinical trials with Dr. Piekos
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Grazyna Piekos received $39,546 in industry payments from 2016 to 2025
CMS Open Payments shows 1,570 general payments to Dr. Piekos from 79 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Novartis Pharmaceuticals Corporation paid the most, $3,381.
General payments to Dr. Piekos by program year, 2016 to 2025
General payments to Dr. Piekos by kind, 2016 to 2025
$39.5Kin total
- Food and beverage$39,05899%
- Education$3661%
- Speaker and faculty fees$1210%
Companies that paid Dr. Piekos the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Grazyna Piekos has 1 award and honors on record
Dmand AI lists 1 award for Dr. Piekos, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Piekos
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Grazyna Piekos graduated from Bialystok Medical Academy
Dr. Piekos graduated from Bialystok Medical Academy in 1988.
- Medical school
- Board certified in neurology
- Board certified in sleep medicine
Source: Dmand AI Professional Profile Data
Dr. Grazyna Piekos accepts plans from 14 insurance carriers
Dr. Piekos is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Health Alliance
- Molina
- +6 more carriersWith a free account
Plan types Dr. Piekos accepts, by number of carriers
- Medicare9
- POS8
- PPO8
- HMO7
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Grazyna Piekos's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Grazyna Piekos
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Grazyna Piekos' NPI number?
Dr. Grazyna Piekos' NPI number is 1780605899. It was assigned on July 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Grazyna Piekos?
Dr. Grazyna Piekos is a neurologist in Joliet, Illinois. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Grazyna Piekos practice?
Dr. Piekos practices at 333 Madison St, Joliet, IL 60435. Dr. Piekos' primary practice is St Joseph Medical Center - Joliet in Joliet, Illinois. Dmand AI also links Dr. Piekos to 5 hospitals, 1 physician office and 1 home health agency.
What is Dr. Grazyna Piekos' office phone number?
The practice phone on file for Dr. Piekos is (815) 725-7133.
What is Dr. Grazyna Piekos' medical license number?
Dr. Piekos holds Illinois license 036090242, one of the licenses on file in 2 states.
Which states has Dr. Grazyna Piekos been licensed in?
Dmand AI has state licenses on file for Dr. Piekos in Illinois (1995 to 2026) and Virginia (1999 to 2000).
Which hospitals is Dr. Grazyna Piekos affiliated with?
Dr. Piekos is affiliated with Saint Joseph Medical Center. Dmand AI links Dr. Piekos to 5 more hospitals.
Does Dr. Grazyna Piekos accept Medicare?
Yes. CMS data shows Dr. Piekos billed Medicare for 11,098 services in 2024, and Dr. Piekos accepts Medicare assignment.
What is Dr. Grazyna Piekos' MIPS score?
Dr. Piekos' MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Grazyna Piekos see?
CMS counts 268 Medicare patients who saw Dr. Piekos in 2024, with an average age of 73.
Show 8 more questionsShow fewer questions
Is Dr. Grazyna Piekos board certified?
Yes. Dr. Piekos is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Grazyna Piekos bill to Medicare?
In 2024, Dr. Piekos' most billed Medicare services were injected or infused drug (J0585), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Grazyna Piekos go to medical school?
Dr. Piekos graduated from Bialystok Medical Academy in 1988.
What drugs does Dr. Grazyna Piekos prescribe most?
In 2024 Medicare Part D data, Dr. Piekos' most prescribed drugs by claims were Donepezil HCl, Memantine HCl and Carbidopa-Levodopa.
Has Dr. Grazyna Piekos received payments from drug or device companies?
CMS Open Payments shows $39,546 in general payments to Dr. Piekos from 79 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Grazyna Piekos been practicing?
Dr. Piekos graduated from medical school in 1988, 38 years ago.
Does Dr. Grazyna Piekos do research?
Dr. Piekos has worked on 1 clinical trial.
What insurance does Dr. Grazyna Piekos accept?
Dr. Piekos is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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