A Study of Mirikizumab (LY3074828) in Participants With Crohn's Disease (opens in a new tab)
Completed
$12,198 in research paymentsCrohn DiseaseInflammatory Bowel DiseasesMirikizumabUstekinumab
Dr. Harold G. Preiksaitis, MD
NPI1962495283PAC ID4688572167
- Medicare services, 2024
- 241
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 881
- Clinical trials
- 1
- Industry payments
- $51,243
- Practice address
- 11390 Old Roswell Road, Suite 100, Alpharetta, GA 30009
- Practice phone
- Call (888) 620-3488
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vizia Diagnostics
Clinical Lab - Full Service · Alpharetta, Georgia
Find Dr. Preiksaitis' 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. Harold G. Preiksaitis is a gastroenterologist in Alpharetta, Georgia
Dr. Preiksaitis practices at Vizia Diagnostics in Alpharetta, Georgia.
Dr. Preiksaitis' NPI, 1962495283, was assigned on August 23, 2005. Dr. Preiksaitis holds Washington license MD00042906.
NPI and contact details
- NPI
- 1962495283NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688572167
- NPI enumeration date
- August 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (888) 620-3488
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Harold G. Preiksaitis practices at Vizia Diagnostics in Alpharetta, Georgia
Dr. Preiksaitis' primary practice is Vizia Diagnostics, at 11390 Old Roswell Road, Suite 100, Alpharetta, GA 30009. The practice phone is (888) 620-3488.
- Vizia Diagnostics11390 Old Roswell Road, Suite 100, Alpharetta, GA 30009Phone(888) 620-3488
Source: Dmand AI Affiliation Data
Dr. Harold G. Preiksaitis is affiliated with 2 sites of care
Dr. Preiksaitis' primary practice is Vizia Diagnostics in Alpharetta, Georgia. Dmand AI also links Dr. Preiksaitis to 1 physician office, named with a free account.
Vizia DiagnosticsPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Harold G. Preiksaitis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Preiksaitis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vizia Diagnostics | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Preiksaitis practices
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. Harold G. Preiksaitis is one of 503 gastroenterologists in Georgia
Gastroenterology is Dr. Preiksaitis' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Preiksaitis is licensed in Washington.
Specialties and state licenses
- Gastroenterology, WashingtonPrimary
Gastroenterologists near Dr. Preiksaitis
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
503gastroenterologists in Georgia
5gastroenterologists in Alpharetta
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Harold G. Preiksaitis billed Medicare for 241 services in 2024
CMS data shows 241 Medicare services from Dr. Preiksaitis across 8 procedure codes in 2024, for 159 Medicare patients. Medicare paid $27,724 for them.
Medicare services, 2024241
Medicare patients159
Paid by Medicare$27,724
Procedure codes8
Dr. Preiksaitis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 982024: 12831%
- Surgery
- 2023: 1072024: 7134%
- Other services
- 2023: 492024: 4214%
Where Dr. Preiksaitis' Medicare services took place, 2024
- In an office12853%
- In a facility11347%
Dr. Preiksaitis compared with the Georgia median for gastroenterologists, 2024
- Dr. Preiksaitis
- Georgia median
- Medicare services
- 241vs 49451% below
- Medicare patients
- 159vs 29746% below
- Part D claims
- 753vs 50350% above
Medians across 499 gastroenterologists in Georgia with Dmand AI profiles that report each measure.
Dr. Preiksaitis' 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. Preiksaitis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Preiksaitis and other gastroenterologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Harold G. Preiksaitis treated 159 Medicare patients in 2024, average age 73
CMS counts 159 Medicare patients who saw Dr. Preiksaitis in 2024. The largest group is 65 to 74, with 96 patients. 61% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Preiksaitis' median patient age at 61, with 50% women.
Medicare patients, 2024159
Average age73
Average risk score0.94
Dr. Preiksaitis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Preiksaitis' Medicare patients by sex, 2024
- Women10264%
- Men5736%
Chronic conditions among Dr. Preiksaitis' Medicare patients, 2024
- High cholesterol61%
- High blood pressure58%
- Arthritis46%
- Mood disorders20%
- Osteoporosis20%
- Diabetes18%
- Ischemic heart disease18%
- Atrial fibrillation17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Preiksaitis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Harold G. Preiksaitis wrote 881 Medicare Part D claims in 2024
In 2024, Dr. Preiksaitis wrote 881 Medicare Part D claims for 202 patients. 79% of them were for generic drugs. CMS names the drug for 753 of them, across 18 drugs with 11 or more claims each, at $352,139 in total drug cost. In 2023, CMS named 531 claims across 13 drugs.
Part D claims, 2024881
Drugs named by CMS18
Total drug cost$352,139
Part D patients202
Dr. Preiksaitis' Part D claims by kind of drug, 2024
- Generic697 claims79%
- Brand-name184 claims21%
Dr. Preiksaitis' 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. Preiksaitis' Part D claims, 2024
- Opioids1%11 of 881 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: 5312024: 75342%
Drugs named by CMS: 18 in 2024, 13 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. Harold G. Preiksaitis ranks in the 65th percentile for colonoscopy in Medicare
Dr. Preiksaitis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 53 procedures of colonoscopy by Dr. Preiksaitis, more than 65% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Preiksaitis ranks in Medicare procedure volume
- Colonoscopy
- 65th percentile53 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 62nd percentile47 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)
For MedTech and pharma teams
Find gastroenterologists like Dr. Preiksaitis by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Harold G. Preiksaitis has worked on 1 clinical trial
Dmand AI links Dr. Preiksaitis to 1 clinical trial. Conditions studied include Crohn Disease and Inflammatory Bowel Diseases. Open Payments lists research payments to Dr. Preiksaitis that name 1 trial.
Conditions in Dr. Preiksaitis' trials
- Crohn Disease
- Inflammatory Bowel Diseases
Investigators on the most trials with Dr. Preiksaitis
Recent clinical trials with Dr. Preiksaitis
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Harold G. Preiksaitis received $51,243 in industry payments from 2016 to 2025
CMS Open Payments shows 365 general payments to Dr. Preiksaitis from 25 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 69% of the total. Phathom Pharmaceuticals, Inc. paid the most, $40,910. It also lists 2 research payments totaling $12,198 from 2020 to 2021, naming 1 clinical trial.
General payments to Dr. Preiksaitis by program year, 2016 to 2025
General payments to Dr. Preiksaitis by kind, 2016 to 2025
$51.2Kin total
- Speaker and faculty fees$35,40069%
- Food and beverage$8,87117%
- Travel and lodging$3,8528%
- Consulting fees$3,0006%
- Education$1200%
Companies that paid Dr. Preiksaitis 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. Harold G. Preiksaitis'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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Harold G. Preiksaitis
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. Harold G. Preiksaitis' NPI number?
Dr. Harold G. Preiksaitis' NPI number is 1962495283. It was assigned on August 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Harold G. Preiksaitis?
Dr. Harold G. Preiksaitis is a gastroenterologist in Alpharetta, Georgia. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Harold G. Preiksaitis practice?
Dr. Preiksaitis practices at 11390 Old Roswell Road, Suite 100, Alpharetta, GA 30009. Dr. Preiksaitis' primary practice is Vizia Diagnostics in Alpharetta, Georgia. Dmand AI also links Dr. Preiksaitis to 1 physician office.
What is Dr. Harold G. Preiksaitis' office phone number?
The practice phone on file for Dr. Preiksaitis is (888) 620-3488.
What is Dr. Harold G. Preiksaitis' medical license number?
Dr. Preiksaitis holds Washington license MD00042906.
Does Dr. Harold G. Preiksaitis accept Medicare?
Yes. CMS data shows Dr. Preiksaitis billed Medicare for 241 services in 2024, and Dr. Preiksaitis accepts Medicare assignment.
How many Medicare patients does Dr. Harold G. Preiksaitis see?
CMS counts 159 Medicare patients who saw Dr. Preiksaitis in 2024, with an average age of 73.
What services does Dr. Harold G. Preiksaitis bill to Medicare?
In 2024, Dr. Preiksaitis' most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: digestive system (43202).
What drugs does Dr. Harold G. Preiksaitis prescribe most?
In 2024 Medicare Part D data, Dr. Preiksaitis' most prescribed drugs by claims were Pantoprazole Sodium, Famotidine and Ondansetron ODT.
Has Dr. Harold G. Preiksaitis received payments from drug or device companies?
CMS Open Payments shows $51,243 in general payments to Dr. Preiksaitis from 25 companies from 2016 to 2025. The largest total came from Phathom Pharmaceuticals, Inc.
How long has Dr. Harold G. Preiksaitis been practicing?
Dr. Preiksaitis graduated from medical school in 1983, 43 years ago.
Does Dr. Harold G. Preiksaitis do research?
Dr. Preiksaitis has worked on 1 clinical trial.
Selling to gastroenterology practices?
See gastroenterologists in Georgia 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