Grazyna Piekos, M.D.
NPI 1780605899 · Neurology Physician · Joliet, IL
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grazyna Piekos, M.D. is a Neurology Physician provider in Joliet, IL (NPI 1780605899).
Provider details
- NPI number
- 1780605899
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036090242 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
696 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 319 | $173 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 171 | $121 |
| Assessment of and Care Planning for Patient With Impaired Thought Processing, Typically 60 Minutes99483 | 93 | $261 |
| Injection of Chemical for Paralysis of Facial and Neck Nerve Muscles on Both Sides of Face64615 | 48 | $153 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 40 | $215 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 226 | 74 |
| Memantine Hcl | 177 | 43 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 176 | 55 |
| Gabapentin | 159 | 56 |
| Escitalopram Oxalate | 147 | 57 |
| Alprazolam | 109 | 43 |
| Duloxetine Hcl | 88 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,933 across 198 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-22
- Last updated
- 2023-03-07
Frequently asked questions
- What is Grazyna Piekos's NPI number?
- Grazyna Piekos's National Provider Identifier (NPI) is 1780605899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grazyna Piekos's specialty?
- Grazyna Piekos is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Grazyna Piekos located?
- Grazyna Piekos's practice location on file with NPPES is 1513 Essington Rd, Joliet, IL 60435-4912.
- What is Grazyna Piekos's phone number?
- The practice phone number listed in the NPPES registry for Grazyna Piekos is (815) 730-1200.
- Does Grazyna Piekos accept Medicare?
- Grazyna Piekos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grazyna Piekos's NPI active?
- Yes — Grazyna Piekos's NPI (1780605899) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.