Dr. Peter Joseph Boxley, MD
- Part D claims, 2024
- 402
- Hospital affiliations
- 2
- Industry payments
- $111
- Medical groups
- 5
- State licenses
- 2
- 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 Dr. Boxley'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. Peter Joseph Boxley is an internist in Lake Forest, Illinois
Dr. Boxley practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois.
Dr. Boxley's NPI, 1972243566, was assigned on March 31, 2022. Dr. Boxley graduated from University of Colorado School of Medicine, Denver in 2022. Dr. Boxley holds California license A208839.
- NPI
- 1972243566NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911416714
- NPI enumeration date
- March 31, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 234-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Joseph Boxley practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois
Dr. Boxley'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
Dr. Peter Joseph Boxley is affiliated with 6 sites of care and 5 medical groups
Dr. Boxley's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois. Dr. Boxley is also affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Boxley to 1 more hospital, 4 medical groups and 3 group practices and clinics, each named with a free account.
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 Dr. Peter Joseph Boxley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Boxley practices, 5 sites in all. 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 |
| +5 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Joseph Boxley is one of 5,652 internists in Illinois
Internal medicine is Dr. Boxley's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Boxley's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Hospitalist, Illinois
Internists near Dr. Boxley
Counts of internists 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. Peter Joseph Boxley's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Boxley's median patient age at 67, with 59% women.
Dr. Boxley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Peter Joseph Boxley wrote 402 Medicare Part D claims in 2024
In 2024, Dr. Boxley wrote 402 Medicare Part D claims for 63 patients. 77% of them were for generic drugs. CMS names the drug for 190 of them, across 11 drugs with 11 or more claims each, at $12,369 in total drug cost.
Dr. Boxley's Part D claims by kind of drug, 2024
- Generic311 claims77%
- Brand-name and other91 claims23%
Dr. Boxley'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.
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
How Dr. Peter Joseph Boxley takes part in Medicare
Dr. Boxley 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)
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Dr. Peter Joseph Boxley received $111 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Boxley from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $111.
Companies that paid Dr. Boxley the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter Joseph Boxley graduated from University of Colorado School of Medicine, Denver
Dr. Boxley graduated from University of Colorado School of Medicine, Denver in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Joseph Boxley'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 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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Peter Joseph Boxley
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. Peter Joseph Boxley's NPI number?
Dr. Peter Joseph Boxley's NPI number is 1972243566. It was assigned on March 31, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Joseph Boxley?
Dr. Peter Joseph Boxley is an internist in Lake Forest, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Peter Joseph Boxley practice?
Dr. Boxley practices at 1000 N Westmoreland Rd, Lake Forest, IL 60045. Dr. Boxley's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois. Dmand AI also links Dr. Boxley to 1 hospital, 4 medical groups and 3 group practices and clinics.
What is Dr. Peter Joseph Boxley's office phone number?
The practice phone on file for Dr. Boxley is (847) 234-5600.
What is Dr. Peter Joseph Boxley's medical license number?
Dr. Boxley holds California license A208839, one of the licenses on file in 2 states.
Which states has Dr. Peter Joseph Boxley been licensed in?
Dmand AI has state licenses on file for Dr. Boxley in California and Illinois.
Which hospitals is Dr. Peter Joseph Boxley affiliated with?
Dr. Boxley is affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. Dmand AI links Dr. Boxley to 1 more hospital.
What medical group is Dr. Peter Joseph Boxley part of?
Dr. Boxley is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Boxley to 4 more medical groups.
Does Dr. Peter Joseph Boxley accept Medicare?
Yes. CMS lists Dr. Boxley as accepting Medicare assignment.
Where did Dr. Peter Joseph Boxley go to medical school?
Dr. Boxley graduated from University of Colorado School of Medicine, Denver in 2022.
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What drugs does Dr. Peter Joseph Boxley prescribe most?
In 2024 Medicare Part D data, Dr. Boxley's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Furosemide.
Has Dr. Peter Joseph Boxley received payments from drug or device companies?
CMS Open Payments shows $111 in general payments to Dr. Boxley from 1 company from 2025 to 2025. The largest total came from Abiomed.
How long has Dr. Peter Joseph Boxley been practicing?
Dr. Boxley graduated from medical school in 2022, 4 years ago.
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