Leah Kristina Petrak, PA-C

  • Chicago, IL
  • Physician assistant
NPI1043834070
Part D claims, 2024
167
Industry payments
$39
Affiliated sites
1
Medical group
1
State license
1
Practice address
250 E Superior St Ste 4-420 Suite 4-420, Chicago, IL 60611
Practice phone
Call (312) 695-0990
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Northwestern Medical Group

Multi-specialty group site · Chicago, Illinois

Find Leah Petrak'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.

View contacts for free

Leah Kristina Petrak is a physician assistant in Chicago, Illinois

Leah Petrak practices at Northwestern Medical Group in Chicago, Illinois.

Leah Petrak's NPI, 1043834070, was assigned on June 5, 2020. Leah Petrak graduated from Northwestern University Feinberg Medical School in 2022. Leah Petrak holds Illinois license 085009033.

NPI and contact details
NPI enumeration date
June 5, 2020
NPI status
Active
Practice phone
(312) 695-0990
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
30
Medical school graduation
2022

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Leah Kristina Petrak practices at 2 locations in Chicago, Illinois

Leah Petrak's primary practice is Northwestern Medical Group, at 250 E Superior St Ste 4-420 Suite 4-420, Chicago, IL 60611. The practice phone is (312) 695-0990. The NPI Registry lists Leah Petrak's practice address as 251 E Huron St, Chicago, IL 60611.

  • Northwestern Medical GroupPrimary
    250 E Superior St Ste 4-420 Suite 4-420, Chicago, IL 60611Phone(312) 695-0990
  • NPI Registry address
    251 E Huron St, Chicago, IL 60611 · Cook County

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Leah Kristina Petrak is affiliated with 1 site of care and 1 medical group

Leah Petrak's primary practice is Northwestern Medical Group in Chicago, Illinois. The medical group on file is Northwestern Medical Faculty Foundation.

Northwestern Medical GroupMulti-specialty group site · Chicago, IllinoisPrimary
Northwestern Medical Faculty FoundationPrimary care group, Chicago, IL

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Leah Kristina Petrak's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Leah Petrak practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwestern Medical GroupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Leah Petrak practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Leah Kristina Petrak is one of 4,299 physician assistants in Illinois

Physician assistant is Leah Petrak's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Leah Petrak is licensed in Illinois.

Specialties and state licenses

  • Physician assistant, IllinoisPrimaryLicense 085009033 · taxonomy 363A00000X

Physician assistants near Leah Petrak

Counts of physician assistants 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

Leah Kristina Petrak's patients have a median age of 66

Across all payers, Dmand AI patient panel data puts Leah Petrak's median patient age at 66, with 100% women.

Leah Petrak's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Leah Kristina Petrak wrote 167 Medicare Part D claims in 2024

In 2024, Leah Petrak wrote 167 Medicare Part D claims for 62 patients. 78% of them were for generic drugs.

Part D claims, 2024167
Part D patients62

Leah Petrak's Part D claims by kind of drug, 2024

  • Generic130 claims78%
  • Brand-name37 claims22%

Drug classes CMS tracks in Leah Petrak's Part D claims, 2024

  • Opioids21%35 of 167 claims
  • Antibiotics8%13 of 167 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

For MedTech and pharma teams

Find physician assistants like Leah Petrak by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Leah Kristina Petrak received $39 in industry payments in 2025

CMS Open Payments shows 2 general payments to Leah Petrak from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $25.

Companies that paid Leah Petrak the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Leah Petrak

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Leah Kristina Petrak graduated from Northwestern University Feinberg Medical School

Leah Petrak graduated from Northwestern University Feinberg Medical School in 2022.

  1. Medical schoolNorthwestern University Feinberg Medical School

Source: Dmand AI Professional Profile Data

Sources for Leah Kristina Petrak's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Leah Kristina Petrak

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Leah Kristina Petrak's NPI number?

Leah Kristina Petrak's NPI number is 1043834070. It was assigned on June 5, 2020, and it is active in the NPI Registry.

What does Leah Kristina Petrak specialize in?

Leah Kristina Petrak is a physician assistant in Chicago, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Leah Kristina Petrak practice?

Leah Petrak practices at 250 E Superior St Ste 4-420 Suite 4-420, Chicago, IL 60611. Leah Petrak also practices at 251 E Huron St, Chicago, IL 60611. Leah Petrak's primary practice is Northwestern Medical Group in Chicago, Illinois.

What is Leah Kristina Petrak's office phone number?

The practice phone on file for Leah Petrak is (312) 695-0990.

What is Leah Kristina Petrak's medical license number?

Leah Petrak holds Illinois license 085009033.

What medical group is Leah Kristina Petrak part of?

Leah Petrak is linked to Northwestern Medical Faculty Foundation.

Where did Leah Kristina Petrak go to medical school?

Leah Petrak graduated from Northwestern University Feinberg Medical School in 2022.

Has Leah Kristina Petrak received payments from drug or device companies?

CMS Open Payments shows $39 in general payments to Leah Petrak from 2 companies from 2025 to 2025. The largest total came from Abbvie Inc.

How long has Leah Kristina Petrak been practicing?

Leah Petrak graduated from medical school in 2022, 4 years ago.

Selling to physician assistant practices?

See physician assistants in Illinois by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)