Wendy Piekarz, LDN, RD
- Medicare patients, 2024
- 129
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1000 N Westmoreland Rd, Lake Forest, IL 60045
- Practice phone
- Call (847) 234-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Catherine Gratz Griffin Lake Forest Hospital
Lake Forest, Illinois
Find Wendy Piekarz's 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.
Wendy Piekarz is a registered dietitian in Lake Forest, Illinois
Wendy Piekarz practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois.
Wendy Piekarz's NPI, 1932578366, was assigned on September 16, 2015. Wendy Piekarz holds Illinois license 1932578366.
- NPI
- 1932578366NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628497971
- NPI enumeration date
- September 16, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (847) 234-5600
- 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)
Wendy Piekarz practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois
Wendy Piekarz's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital, at 1000 N Westmoreland Rd, Lake Forest, IL 60045 in Lake County. The practice phone is (847) 234-5600.
- Northwestern Catherine Gratz Griffin Lake Forest Hospital1000 N Westmoreland Rd, Lake Forest, IL 60045 · Lake CountyPhone(847) 234-5600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Wendy Piekarz is affiliated with 2 sites of care and 1 medical group
Wendy Piekarz's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois. Wendy Piekarz is also affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. The medical group on file is Northwestern Medical Faculty Foundation.
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 Wendy Piekarz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Wendy Piekarz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Catherine Gratz Griffin Lake Forest Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Wendy Piekarz is one of 2,002 registered dietitians in Illinois
Dietitian, registered is Wendy Piekarz's primary specialty in the NPI Registry, under taxonomy code 133V00000X. Wendy Piekarz is licensed in Illinois.
Specialties and state licenses
- Registered dietitian, IllinoisPrimary
Registered dietitians near Wendy Piekarz
Counts of registered dietitians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Wendy Piekarz treated 129 Medicare patients in 2024, average age 71
CMS counts 129 Medicare patients who saw Wendy Piekarz in 2024. The largest group is 65 to 74, with 60 patients. 75% of them have diabetes, and 75% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Wendy Piekarz's median patient age at 62, with 52% women.
Wendy Piekarz's Medicare patients by age, 2024
Wendy Piekarz's Medicare patients by sex, 2024
- Women5744%
- Men7256%
Chronic conditions among Wendy Piekarz's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Chronic kidney disease47%
- Ischemic heart disease47%
- Heart failure34%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Wendy Piekarz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Wendy Piekarz scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Wendy Piekarz for performance year 2024, reported through an alternative payment model (APM). Wendy Piekarz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Wendy Piekarz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Wendy Piekarz's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Sources for Wendy Piekarz'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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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) |
| 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 Wendy Piekarz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Wendy Piekarz's NPI number?
Wendy Piekarz's NPI number is 1932578366. It was assigned on September 16, 2015, and it is active in the NPI Registry.
What does Wendy Piekarz specialize in?
Wendy Piekarz is a registered dietitian in Lake Forest, Illinois. The primary specialty in the NPI Registry is Registered Dietitian (taxonomy code 133V00000X).
Where does Wendy Piekarz practice?
Wendy Piekarz practices at 1000 N Westmoreland Rd, Lake Forest, IL 60045. Wendy Piekarz's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois.
What is Wendy Piekarz's office phone number?
The practice phone on file for Wendy Piekarz is (847) 234-5600.
What is Wendy Piekarz's medical license number?
Wendy Piekarz holds Illinois license 1932578366.
Which hospitals is Wendy Piekarz affiliated with?
Wendy Piekarz is affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital.
What medical group is Wendy Piekarz part of?
Wendy Piekarz is linked to Northwestern Medical Faculty Foundation.
Does Wendy Piekarz accept Medicare?
Yes. CMS lists Wendy Piekarz as accepting Medicare assignment.
Does Wendy Piekarz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Wendy Piekarz as offering telehealth services.
What is Wendy Piekarz's MIPS score?
Wendy Piekarz's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Wendy Piekarz see?
CMS counts 129 Medicare patients who saw Wendy Piekarz in 2024, with an average age of 71.
How long has Wendy Piekarz been practicing?
Wendy Piekarz graduated from medical school in 1988, 38 years ago.
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