Dr. Peter Illei, MD
- Medicare services, 2024
- 2,114
- Medicare patients, 2024
- 800
- MIPS score, 2024
- 83
- Hospital affiliations
- 5
- Industry payments
- $207,736
- Practice address
- 600 N Wolfe St, Baltimore, MD 21287
- Practice phone
- Call (855) 662-3017
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johns Hopkins Hospital Nelson/Harvey Building
Baltimore, Maryland
Find Dr. Illei's professional email, personal email and mobile number
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Dr. Peter Illei is a pathologist in Baltimore, Maryland
Dr. Illei practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.
Dr. Illei's NPI, 1720071459, was assigned on August 29, 2005. Dr. Illei holds Maryland license D62986.
- NPI
- 1720071459NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496790867
- NPI enumeration date
- August 29, 2005
- NPI status
- Active
- Practice phone
- (855) 662-3017
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Peter Illei practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland
Dr. Illei's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.
- Johns Hopkins Hospital Nelson/Harvey Building600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Peter Illei is affiliated with 6 sites of care and 2 medical groups
Dr. Illei's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Illei is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Illei to 4 more hospitals and 1 medical group, 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 Illei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Illei practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Hospital Nelson/Harvey Building | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Illei is one of 46 pathologists in Maryland
Anatomic pathology is Dr. Illei's primary specialty in the NPI Registry, under taxonomy code 207ZP0101X. Dmand AI has Dr. Illei's licenses on file in 2 states: Maryland and New York.
Specialties and state licenses
- Anatomic pathology, MarylandPrimary
- New York license
Pathologists near Dr. Illei
Counts of pathologists 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 Illei billed Medicare for 2,114 services in 2024
CMS data shows 2,114 Medicare services from Dr. Illei across 13 procedure codes in 2024, for 800 Medicare patients. Medicare paid $66,563 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Illei's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,9522024: 2,1148%
Dr. Illei compared with the Maryland median for pathologists, 2024
- Dr. Illei
- Maryland median
- Medicare services
- 2,114vs 7192.9 times
- Medicare patients
- 800vs 2523.2 times
Medians across 39 pathologists in Maryland with Dmand AI profiles that report each measure.
Dr. Illei's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Illei and other pathologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Illei treated 800 Medicare patients in 2024, average age 73
CMS counts 800 Medicare patients who saw Dr. Illei in 2024. The largest group is 65 to 74, with 373 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Illei's median patient age at 66, with 64% women.
Dr. Illei's Medicare patients by age, 2024
Dr. Illei's Medicare patients by sex, 2024
- Women42653%
- Men37447%
Chronic conditions among Dr. Illei's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer59%
- Arthritis50%
- Ischemic heart disease38%
- Diabetes34%
- Chronic kidney disease33%
- COPD32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Illei'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
- Women64%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Illei scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Illei for performance year 2024, reported as part of a group.
Dr. Illei's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Peter Illei received $207,736 in industry payments from 2016 to 2025
CMS Open Payments shows 202 general payments to Dr. Illei from 14 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 76% of the total. AstraZeneca Pharmaceuticals LP paid the most, $74,245. It also lists 1 research payment totaling $5,119 in 2017.
General payments to Dr. Illei by program year, 2016 to 2025
General payments to Dr. Illei by kind, 2016 to 2025
- Consulting fees$158,69076%
- Speaker and faculty fees$30,75015%
- Travel and lodging$13,4656%
- Food and beverage$4,4672%
- Education$3630%
Companies that paid Dr. Illei the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Peter Illei'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Peter Illei
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 Illei's NPI number?
Dr. Peter Illei's NPI number is 1720071459. It was assigned on August 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Illei?
Dr. Peter Illei is a pathologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Anatomic Pathology Physician (taxonomy code 207ZP0101X).
Where does Dr. Peter Illei practice?
Dr. Illei practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Illei's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Illei to 4 hospitals and 1 medical group.
What is Dr. Peter Illei's office phone number?
The practice phone on file for Dr. Illei is (855) 662-3017.
What is Dr. Peter Illei's medical license number?
Dr. Illei holds Maryland license D62986, one of the licenses on file in 2 states.
Which states has Dr. Peter Illei been licensed in?
Dmand AI has state licenses on file for Dr. Illei in Maryland and New York.
Which hospitals is Dr. Peter Illei affiliated with?
Dr. Illei is affiliated with The Johns Hopkins Hospital. Dmand AI links Dr. Illei to 4 more hospitals.
What medical group is Dr. Peter Illei part of?
Dr. Illei is linked to Johns Hopkins University. Dmand AI links Dr. Illei to 1 more medical group.
Does Dr. Peter Illei accept Medicare?
Yes. CMS data shows Dr. Illei billed Medicare for 2,114 services in 2024.
What is Dr. Peter Illei's MIPS score?
Dr. Illei's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
Show 4 more questionsShow fewer questions
How many Medicare patients does Dr. Peter Illei see?
CMS counts 800 Medicare patients who saw Dr. Illei in 2024, with an average age of 73.
What services does Dr. Peter Illei bill to Medicare?
In 2024, Dr. Illei's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88360) and lab and pathology test (88173).
Has Dr. Peter Illei received payments from drug or device companies?
CMS Open Payments shows $207,736 in general payments to Dr. Illei from 14 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Peter Illei been practicing?
Dr. Illei graduated from medical school in 1988, 38 years ago.
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