Dr. David G. Preskill, MD
- Part D claims, 2024
- 63
- Industry payments
- $598
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 114 W Rockland Rd, Libertyville, IL 60048-2774
- Practice phone
- Call (847) 362-0100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Total Women's Healthcare
Physician office · Libertyville, Illinois
Find Dr. Preskill'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.
Dr. David G. Preskill is an OB-GYN in Libertyville, Illinois
Dr. Preskill practices at Total Women's Healthcare in Libertyville, Illinois.
Dr. Preskill's NPI, 1386736338, was assigned on September 28, 2006. Dr. Preskill holds Illinois license 036081833.
- NPI
- 1386736338NPI Registry (opens in a new tab)
- NPI enumeration date
- September 28, 2006
- NPI status
- Active
- Practice phone
- (847) 362-0100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David G. Preskill practices at Total Women's Healthcare in Libertyville, Illinois
Dr. Preskill's primary practice is Total Women's Healthcare, at 114 W Rockland Rd, Libertyville, IL 60048-2774. The practice phone is (847) 362-0100.
- Total Women's Healthcare114 W Rockland Rd, Libertyville, IL 60048-2774Phone(847) 362-0100
Source: Dmand AI Affiliation Data
Dr. David G. Preskill is affiliated with 1 site of care
Dr. Preskill's primary practice is Total Women's Healthcare in Libertyville, Illinois.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David G. Preskill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Preskill practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Total Women's Healthcare | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David G. Preskill is one of 1,665 OB-GYNs in Illinois
Obstetrics and gynecology is Dr. Preskill's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Preskill is licensed in Illinois.
Specialties and state licenses
- Obstetrics and gynecology, IllinoisPrimary
OB-GYNs near Dr. Preskill
Counts of OB-GYNs 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
Dr. David G. Preskill's patients have a median age of 36
Across all payers, Dmand AI patient panel data puts Dr. Preskill's median patient age at 36, with 100% women.
Dr. Preskill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. David G. Preskill wrote 63 Medicare Part D claims in 2024
In 2024, Dr. Preskill wrote 63 Medicare Part D claims for 16 patients. 89% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $1,960 in total drug cost. In 2023, CMS named 23 claims across 2 drugs.
Dr. Preskill's Part D claims by kind of drug, 2024
- Generic56 claims89%
- Brand-name and other7 claims11%
Dr. Preskill's 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. Preskill's Part D claims, 2024
- Antibiotics19%12 of 63 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: 232024: 1248%
Drugs named by CMS: 1 in 2024, 2 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
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Dr. David G. Preskill received $598 in industry payments from 2016 to 2023
CMS Open Payments shows 21 general payments to Dr. Preskill from 14 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Gynesonics, Inc. paid the most, $124.
General payments to Dr. Preskill by program year, 2016 to 2023
Companies that paid Dr. Preskill the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David G. Preskill'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Dr. David G. Preskill
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. David G. Preskill's NPI number?
Dr. David G. Preskill's NPI number is 1386736338. It was assigned on September 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David G. Preskill?
Dr. David G. Preskill is an OB-GYN in Libertyville, Illinois. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. David G. Preskill practice?
Dr. Preskill practices at 114 W Rockland Rd, Libertyville, IL 60048-2774. Dr. Preskill's primary practice is Total Women's Healthcare in Libertyville, Illinois.
What is Dr. David G. Preskill's office phone number?
The practice phone on file for Dr. Preskill is (847) 362-0100.
What is Dr. David G. Preskill's medical license number?
Dr. Preskill holds Illinois license 036081833.
What drugs does Dr. David G. Preskill prescribe most?
In 2024 Medicare Part D data, Dr. Preskill's most prescribed drugs by claims were Estradiol.
Has Dr. David G. Preskill received payments from drug or device companies?
CMS Open Payments shows $598 in general payments to Dr. Preskill from 14 companies from 2016 to 2023. The largest total came from Gynesonics, Inc.
How long has Dr. David G. Preskill been practicing?
Dr. Preskill's NPI was assigned in 2006.
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