Dr. Gregory J. Dilorenzo, DO
- Medicare services, 2024
- 94
- Medicare patients, 2024
- 60
- Part D claims, 2024
- 10,771
- MIPS score, 2024
- 61
- Industry payments
- $618
- Practice address
- 2040 Concourse Dr, Saint Louis, MO 63146
- Practice phone
- Call (913) 895-2400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics
Saint Louis, Missouri
Find Dr. Dilorenzo'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. Gregory J. Dilorenzo is an internist in Saint Louis, Missouri
Dr. Dilorenzo practices at Quest Diagnostics in Saint Louis, Missouri.
Dr. Dilorenzo's NPI, 1861404048, was assigned on August 13, 2006. Dr. Dilorenzo graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1991. Dr. Dilorenzo holds Colorado license DR.0031860.
- NPI
- 1861404048NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375576986
- NPI enumeration date
- August 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (913) 895-2400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory J. Dilorenzo practices at Quest Diagnostics in Saint Louis, Missouri
Dr. Dilorenzo's primary practice is Quest Diagnostics, at 2040 Concourse Dr, Saint Louis, MO 63146 in Saint Louis County. The practice phone is (913) 895-2400.
- Quest Diagnostics2040 Concourse Dr, Saint Louis, MO 63146 · Saint Louis CountyPhone(913) 895-2400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory J. Dilorenzo is affiliated with 4 sites of care and 3 medical groups
Dr. Dilorenzo's primary practice is Quest Diagnostics in Saint Louis, Missouri. The medical group on file is Optumcare Colorado Medical Group. Dmand AI also links Dr. Dilorenzo to 3 more group practices and clinics and 2 medical groups, each 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 Dr. Gregory J. Dilorenzo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dilorenzo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory J. Dilorenzo is one of 2,114 internists in Missouri
Internal medicine is Dr. Dilorenzo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dilorenzo is licensed in Colorado.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
Internists near Dr. Dilorenzo
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. Gregory J. Dilorenzo billed Medicare for 94 services in 2024
CMS data shows 94 Medicare services from Dr. Dilorenzo across 5 procedure codes in 2024, for 60 Medicare patients. Medicare paid $7,404 for them. Every service was in an office.
Dr. Dilorenzo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 722024: 5031%
- Other services
- 2023: 02024: 25
- Tests and treatments
- 2023: 02024: 19
Dr. Dilorenzo compared with the Missouri median for internists, 2024
- Dr. Dilorenzo
- Missouri median
- Medicare services
- 94vs 53082% below
- Medicare patients
- 60vs 21172% below
- Part D claims
- 9,922vs 32530.5 times
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Dilorenzo'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.
Need commercial claims for Dr. Dilorenzo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dilorenzo and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory J. Dilorenzo treated 60 Medicare patients in 2024, average age 70
CMS counts 60 Medicare patients who saw Dr. Dilorenzo in 2024. The largest group is 65 to 74, with 44 patients. 70% of them have high cholesterol, and 60% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dilorenzo's median patient age at 67, with 39% women.
Dr. Dilorenzo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dilorenzo's Medicare patients by sex, 2024
- Women1932%
- Men4168%
Chronic conditions among Dr. Dilorenzo's Medicare patients, 2024
- High cholesterol70%
- High blood pressure60%
- Arthritis37%
- Ischemic heart disease23%
- Diabetes18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dilorenzo'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
- Women39%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory J. Dilorenzo wrote 10,771 Medicare Part D claims in 2024
In 2024, Dr. Dilorenzo wrote 10,771 Medicare Part D claims for 1,136 patients. 85% of them were for generic drugs. CMS names the drug for 9,922 of them, across 170 drugs with 11 or more claims each, at $957,139 in total drug cost. In 2023, CMS named 7,774 claims across 159 drugs.
Dr. Dilorenzo's Part D claims by kind of drug, 2024
- Generic9,115 claims85%
- Brand-name1,592 claims15%
- Other64 claims1%
Dr. Dilorenzo'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. Dilorenzo's Part D claims, 2024
- Opioids2%186 of 10,771 claims
- Antibiotics2%200 of 10,771 claims
- Antipsychotics, patients 65 and over1%54 of 10,771 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: 7,7742024: 9,92228%
Drugs named by CMS: 170 in 2024, 159 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
Dr. Gregory J. Dilorenzo scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Dilorenzo for performance year 2024, reported as part of a group. Dr. Dilorenzo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dilorenzo as offering telehealth. CMS counts 11 procedures of removal of skin lesions by Dr. Dilorenzo, more than 58% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Dilorenzo's MIPS scores, performance year 2024
- 61of 100Final score
- 77.5of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Dilorenzo ranks in Medicare procedure volume
- Removal of skin lesions
- 58th percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (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.
Dr. Gregory J. Dilorenzo received $618 in industry payments from 2024 to 2025
CMS Open Payments shows 27 general payments to Dr. Dilorenzo from 15 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $134.
General payments to Dr. Dilorenzo by program year, 2024 to 2025
Companies that paid Dr. Dilorenzo the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory J. Dilorenzo graduated from Kansas City University of Med & Biosciences, College of Osteo Med
Dr. Dilorenzo graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory J. Dilorenzo'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 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) |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Gregory J. Dilorenzo
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. Gregory J. Dilorenzo's NPI number?
Dr. Gregory J. Dilorenzo's NPI number is 1861404048. It was assigned on August 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory J. Dilorenzo?
Dr. Gregory J. Dilorenzo is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory J. Dilorenzo practice?
Dr. Dilorenzo practices at 2040 Concourse Dr, Saint Louis, MO 63146. Dr. Dilorenzo's primary practice is Quest Diagnostics in Saint Louis, Missouri. Dmand AI also links Dr. Dilorenzo to 3 group practices and clinics and 2 medical groups.
What is Dr. Gregory J. Dilorenzo's office phone number?
The practice phone on file for Dr. Dilorenzo is (913) 895-2400.
What is Dr. Gregory J. Dilorenzo's medical license number?
Dr. Dilorenzo holds Colorado license DR.0031860.
What medical group is Dr. Gregory J. Dilorenzo part of?
Dr. Dilorenzo is linked to Optumcare Colorado Medical Group. Dmand AI links Dr. Dilorenzo to 2 more medical groups.
Does Dr. Gregory J. Dilorenzo accept Medicare?
Yes. CMS data shows Dr. Dilorenzo billed Medicare for 94 services in 2024, and Dr. Dilorenzo accepts Medicare assignment.
Does Dr. Gregory J. Dilorenzo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dilorenzo as offering telehealth services.
What is Dr. Gregory J. Dilorenzo's MIPS score?
Dr. Dilorenzo's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory J. Dilorenzo see?
CMS counts 60 Medicare patients who saw Dr. Dilorenzo in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. Gregory J. Dilorenzo bill to Medicare?
In 2024, Dr. Dilorenzo's most billed Medicare services were office visit, established patient (99214), health assessment (96127) and office visit, established patient (99213).
Where did Dr. Gregory J. Dilorenzo go to medical school?
Dr. Dilorenzo graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1991.
What drugs does Dr. Gregory J. Dilorenzo prescribe most?
In 2024 Medicare Part D data, Dr. Dilorenzo's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Gregory J. Dilorenzo received payments from drug or device companies?
CMS Open Payments shows $618 in general payments to Dr. Dilorenzo from 15 companies from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gregory J. Dilorenzo been practicing?
Dr. Dilorenzo graduated from medical school in 1991, 35 years ago.
Selling to internal medicine practices?
See internists in Missouri by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card