Dr. Mitchell Brian Pei, MD
- Part D claims, 2024
- 275
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 1775 Ballard Rd, Park Ridge, IL 60068-1005
- Practice phone
- Call (847) 318-9368
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advocate Medical Group (dreyer) - Park Ridge (Ballard Rd)
Primary care practice · Park Ridge, Illinois
Find Dr. Pei'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. Mitchell Brian Pei is a family medicine physician in Park Ridge, Illinois
Dr. Pei practices at Advocate Medical Group (dreyer) - Park Ridge (Ballard Rd) in Park Ridge, Illinois.
Dr. Pei's NPI, 1679277693, was assigned on March 27, 2023. Dr. Pei holds Illinois license 125.081310.
- NPI
- 1679277693NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981174315
- NPI enumeration date
- March 27, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 318-9368
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mitchell Brian Pei practices at Advocate Medical Group (dreyer) - Park Ridge (Ballard Rd) in Park Ridge, Illinois
Dr. Pei's primary practice is Advocate Medical Group (dreyer) - Park Ridge (Ballard Rd), at 1775 Ballard Rd, Park Ridge, IL 60068-1005. The practice phone is (847) 318-9368.
- Advocate Medical Group (dreyer) - Park Ridge (Ballard Rd)1775 Ballard Rd, Park Ridge, IL 60068-1005Phone(847) 318-9368
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mitchell Brian Pei is affiliated with 1 site of care and 1 medical group
Dr. Pei's primary practice is Advocate Medical Group (dreyer) - Park Ridge (Ballard Rd) in Park Ridge, Illinois. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group).
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Mitchell Brian Pei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pei practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Medical Group (dreyer) - Park Ridge (Ballard Rd) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mitchell Brian Pei is one of 5,105 family medicine physicians in Illinois
Family medicine is Dr. Pei's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Pei is licensed in Illinois.
Specialties and state licenses
- Family medicine, IllinoisPrimary
Family medicine physicians near Dr. Pei
Counts of family medicine physicians 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. Mitchell Brian Pei's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Pei's median patient age at 55, with 36% women.
Dr. Pei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women36%
- Men64%
Source: Dmand AI Patient Panel Data
Dr. Mitchell Brian Pei wrote 275 Medicare Part D claims in 2024
In 2024, Dr. Pei wrote 275 Medicare Part D claims for 87 patients. 90% of them were for generic drugs. CMS names the drug for 23 of them, across 1 drug with 11 or more claims each, at $199 in total drug cost.
Dr. Pei's Part D claims by kind of drug, 2024
- Generic247 claims90%
- Brand-name and other28 claims10%
Dr. Pei'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. Pei's Part D claims, 2024
- Antibiotics7%18 of 275 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Mitchell Brian Pei takes part in Medicare
Dr. Pei 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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Sources for Dr. Mitchell Brian Pei'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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. Mitchell Brian Pei
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. Mitchell Brian Pei's NPI number?
Dr. Mitchell Brian Pei's NPI number is 1679277693. It was assigned on March 27, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Mitchell Brian Pei?
Dr. Mitchell Brian Pei is a family medicine physician in Park Ridge, Illinois. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Mitchell Brian Pei practice?
Dr. Pei practices at 1775 Ballard Rd, Park Ridge, IL 60068-1005. Dr. Pei's primary practice is Advocate Medical Group (dreyer) - Park Ridge (Ballard Rd) in Park Ridge, Illinois.
What is Dr. Mitchell Brian Pei's office phone number?
The practice phone on file for Dr. Pei is (847) 318-9368.
What is Dr. Mitchell Brian Pei's medical license number?
Dr. Pei holds Illinois license 125.081310.
What medical group is Dr. Mitchell Brian Pei part of?
Dr. Pei is linked to Dreyer Medical Clinic (Advocate Medical Group).
Does Dr. Mitchell Brian Pei accept Medicare?
Yes. CMS lists Dr. Pei as accepting Medicare assignment.
What drugs does Dr. Mitchell Brian Pei prescribe most?
In 2024 Medicare Part D data, Dr. Pei's most prescribed drugs by claims were Atorvastatin Calcium.
How long has Dr. Mitchell Brian Pei been practicing?
Dr. Pei's NPI was assigned in 2023.
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