Dr. Leonard G. Quallich III, MD
- Medicare services, 2024
- 703
- Medicare patients, 2024
- 465
- Part D claims, 2024
- 1,677
- Hospital affiliations
- 2
- Industry payments
- $565
- Practice address
- 48801 Romeo Plank Rd, Macomb Twp, MI 48044
- Practice phone
- Call (586) 726-8436
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Macomb Endoscopy Center
Surgery Center - Medicare-Certified · Macomb Twp, Michigan
Find Dr. Quallich'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. Leonard G. Quallich III is a gastroenterologist in Macomb, Michigan
Dr. Quallich practices at Macomb Endoscopy Center in Macomb Twp, Michigan.
Dr. Quallich's NPI, 1093797326, was assigned on November 14, 2005. Dr. Quallich graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1996. Dr. Quallich holds Michigan license 4301067700.
- NPI
- 1093797326NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507824711
- NPI enumeration date
- November 14, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (586) 726-8436
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonard G. Quallich III practices at Macomb Endoscopy Center in Macomb Twp, Michigan
Dr. Quallich's primary practice is Macomb Endoscopy Center, at 48801 Romeo Plank Rd, Macomb Twp, MI 48044. The practice phone is (586) 726-8436.
- Macomb Endoscopy Center48801 Romeo Plank Rd, Macomb Twp, MI 48044Phone(586) 726-8436
Source: Dmand AI Affiliation Data
Dr. Leonard G. Quallich III is affiliated with 4 sites of care and 1 medical group
Dr. Quallich's primary practice is Macomb Endoscopy Center in Macomb Twp, Michigan. Dr. Quallich is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is Center for Digestive Health. Dmand AI also links Dr. Quallich to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leonard G. Quallich III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Quallich practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Macomb Endoscopy Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leonard G. Quallich III is one of 487 gastroenterologists in Michigan
Gastroenterology is Dr. Quallich's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Quallich is licensed in Michigan.
Specialties and state licenses
- Gastroenterology, MichiganPrimary
Gastroenterologists near Dr. Quallich
Counts of gastroenterologists 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. Leonard G. Quallich III billed Medicare for 703 services in 2024
CMS data shows 703 Medicare services from Dr. Quallich across 10 procedure codes in 2024, for 465 Medicare patients. Medicare paid $83,309 for them.
Dr. Quallich's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3742024: 3843%
- Office and hospital visits
- 2023: 3082024: 3022%
- Other services
- 2023: 362024: 1753%
Where Dr. Quallich's Medicare services took place, 2024
- In an office30243%
- In a facility40157%
Dr. Quallich compared with the Michigan median for gastroenterologists, 2024
- Dr. Quallich
- Michigan median
- Medicare services
- 703vs 3242.2 times
- Medicare patients
- 465vs 2302.0 times
- Part D claims
- 1,564vs 4243.7 times
Medians across 487 gastroenterologists in Michigan with Dmand AI profiles that report each measure.
Dr. Quallich'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. Quallich?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Quallich and other gastroenterologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leonard G. Quallich III treated 465 Medicare patients in 2024, average age 73
CMS counts 465 Medicare patients who saw Dr. Quallich in 2024. The largest group is 65 to 74, with 262 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Quallich's median patient age at 60, with 51% women.
Dr. Quallich's Medicare patients by age, 2024
Dr. Quallich's Medicare patients by sex, 2024
- Women26657%
- Men19943%
Chronic conditions among Dr. Quallich's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis45%
- Ischemic heart disease29%
- Anxiety27%
- Diabetes25%
- Mood disorders22%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Quallich's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonard G. Quallich III wrote 1,677 Medicare Part D claims in 2024
In 2024, Dr. Quallich wrote 1,677 Medicare Part D claims for 469 patients. 94% of them were for generic drugs. CMS names the drug for 1,564 of them, across 18 drugs with 11 or more claims each, at $111,260 in total drug cost. In 2023, CMS named 1,511 claims across 19 drugs.
Dr. Quallich's Part D claims by kind of drug, 2024
- Generic1,569 claims94%
- Brand-name and other108 claims6%
Dr. Quallich'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5112024: 1,5644%
Drugs named by CMS: 18 in 2024, 19 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. Leonard G. Quallich III ranks in the 87th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Quallich accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Quallich as offering telehealth. CMS counts 165 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Quallich, more than 87% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Quallich ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 87th percentile165 procedures
- Colonoscopy
- 86th percentile129 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Leonard G. Quallich III received $565 in industry payments from 2016 to 2025
CMS Open Payments shows 31 general payments to Dr. Quallich from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Abbvie Inc. paid the most, $193.
General payments to Dr. Quallich by program year, 2016 to 2025
General payments to Dr. Quallich by kind, 2016 to 2025
- Food and beverage$53595%
- Education speaker fees$295%
Companies that paid Dr. Quallich the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leonard G. Quallich III graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Dr. Quallich graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leonard G. Quallich III'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 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) |
| 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)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. Leonard G. Quallich III
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. Leonard G. Quallich III's NPI number?
Dr. Leonard G. Quallich III's NPI number is 1093797326. It was assigned on November 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonard G. Quallich III?
Dr. Leonard G. Quallich III is a gastroenterologist in Macomb, Michigan. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Leonard G. Quallich III practice?
Dr. Quallich practices at 48801 Romeo Plank Rd, Macomb Twp, MI 48044. Dr. Quallich's primary practice is Macomb Endoscopy Center in Macomb Twp, Michigan. Dmand AI also links Dr. Quallich to 1 hospital and 1 group practice or clinic.
What is Dr. Leonard G. Quallich III's office phone number?
The practice phone on file for Dr. Quallich is (586) 726-8436.
What is Dr. Leonard G. Quallich III's medical license number?
Dr. Quallich holds Michigan license 4301067700.
Which hospitals is Dr. Leonard G. Quallich III affiliated with?
Dr. Quallich is affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Quallich to 1 more hospital.
What medical group is Dr. Leonard G. Quallich III part of?
Dr. Quallich is linked to Center for Digestive Health.
Does Dr. Leonard G. Quallich III accept Medicare?
Yes. CMS data shows Dr. Quallich billed Medicare for 703 services in 2024, and Dr. Quallich accepts Medicare assignment.
Does Dr. Leonard G. Quallich III offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Quallich as offering telehealth services.
How many Medicare patients does Dr. Leonard G. Quallich III see?
CMS counts 465 Medicare patients who saw Dr. Quallich in 2024, with an average age of 73.
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What services does Dr. Leonard G. Quallich III bill to Medicare?
In 2024, Dr. Quallich's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45385) and surgery: digestive system (43239).
Where did Dr. Leonard G. Quallich III go to medical school?
Dr. Quallich graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1996.
What drugs does Dr. Leonard G. Quallich III prescribe most?
In 2024 Medicare Part D data, Dr. Quallich's most prescribed drugs by claims were Pantoprazole Sodium, Lansoprazole and Omeprazole.
Has Dr. Leonard G. Quallich III received payments from drug or device companies?
CMS Open Payments shows $565 in general payments to Dr. Quallich from 13 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Leonard G. Quallich III been practicing?
Dr. Quallich graduated from medical school in 1996, 30 years ago.
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