Lena A. Kramer, PA-C
- Medicare patients, 2024
- 415
- Part D claims, 2024
- 332
- Industry payments
- $336
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 903 Commerce Dr, Oak Brook, IL 60523
- Practice phone
- Call (847) 675-9711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Illinois Dermatology Institute
Oak Brook, Illinois
Find Lena Kramer'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.
Lena A. Kramer is a physician assistant in Oak Brook, Illinois
Lena Kramer practices at Illinois Dermatology Institute in Oak Brook, Illinois.
Lena Kramer's NPI, 1942714183, was assigned on November 27, 2017.
- NPI
- 1942714183NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143580845
- NPI enumeration date
- November 27, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 675-9711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Lena A. Kramer practices at Illinois Dermatology Institute in Oak Brook, Illinois
Lena Kramer's primary practice is Illinois Dermatology Institute, at 903 Commerce Dr, Oak Brook, IL 60523 in Dupage County. The practice phone is (847) 675-9711.
- Illinois Dermatology Institute903 Commerce Dr, Oak Brook, IL 60523 · Dupage CountyPhone(847) 675-9711
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Lena A. Kramer is affiliated with 2 sites of care and 1 medical group
Lena Kramer's primary practice is Illinois Dermatology Institute in Oak Brook, Illinois. The medical group on file is Illinois Dermatology Institute. Dmand AI also links Lena Kramer to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Lena A. Kramer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lena Kramer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Illinois Dermatology Institute | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Lena A. Kramer is one of 4,299 physician assistants in Illinois
Physician assistant is Lena Kramer's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Lena Kramer
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
Lena A. Kramer treated 415 Medicare patients in 2024, average age 75
CMS counts 415 Medicare patients who saw Lena Kramer in 2024. The largest group is 65 to 74, with 207 patients. 72% of them have high cholesterol, and 54% have high blood pressure. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Lena Kramer's median patient age at 40, with 65% women.
Lena Kramer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Lena Kramer's Medicare patients by sex, 2024
- Women32077%
- Men9523%
Chronic conditions among Lena Kramer's Medicare patients, 2024
- High cholesterol72%
- High blood pressure54%
- Arthritis48%
- Osteoporosis23%
- Cancer19%
- Anxiety17%
- Mood disorders16%
- Ischemic heart disease15%
Share of Medicare patients with each condition. A patient can have several.
Lena Kramer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Lena A. Kramer wrote 332 Medicare Part D claims in 2024
In 2024, Lena Kramer wrote 332 Medicare Part D claims for 165 patients. 97% of them were for generic drugs.
Lena Kramer's Part D claims by kind of drug, 2024
- Generic322 claims97%
- Brand-name and other10 claims3%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Lena A. Kramer takes part in Medicare
Lena Kramer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Lena A. Kramer received $336 in industry payments in 2025
CMS Open Payments shows 19 general payments to Lena Kramer from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $114.
Companies that paid Lena Kramer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Lena A. Kramer'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 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) |
| Part D prescribing | 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) |
| Industry payments | Open Payments (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 Lena A. Kramer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lena A. Kramer's NPI number?
Lena A. Kramer's NPI number is 1942714183. It was assigned on November 27, 2017, and it is active in the NPI Registry.
What does Lena A. Kramer specialize in?
Lena A. Kramer is a physician assistant in Oak Brook, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Lena A. Kramer practice?
Lena Kramer practices at 903 Commerce Dr, Oak Brook, IL 60523. Lena Kramer's primary practice is Illinois Dermatology Institute in Oak Brook, Illinois. Dmand AI also links Lena Kramer to 1 group practice or clinic.
What is Lena A. Kramer's office phone number?
The practice phone on file for Lena Kramer is (847) 675-9711.
What medical group is Lena A. Kramer part of?
Lena Kramer is linked to Illinois Dermatology Institute.
Does Lena A. Kramer accept Medicare?
Yes. CMS lists Lena Kramer as accepting Medicare assignment.
How many Medicare patients does Lena A. Kramer see?
CMS counts 415 Medicare patients who saw Lena Kramer in 2024, with an average age of 75.
Has Lena A. Kramer received payments from drug or device companies?
CMS Open Payments shows $336 in general payments to Lena Kramer from 6 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Lena A. Kramer been practicing?
Lena Kramer graduated from medical school in 2017, 9 years ago.
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