Dr. Michael Thomas Gregg, MD
- Part D claims, 2024
- 89
- Hospital affiliations
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 190 East Bannock Street, Boise, ID 83712
- Practice phone
- Call (208) 381-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gregg'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. Michael Thomas Gregg is an internist in Boise, Idaho
Dr. Gregg practices at St. Luke's Boise Medical Center in Boise, Idaho, part of St. Luke's Health System.
Dr. Gregg's NPI, 1366544165, was assigned on September 2, 2006. Dr. Gregg holds Idaho license M-14668.
- NPI
- 1366544165NPI Registry (opens in a new tab)
- NPI enumeration date
- September 2, 2006
- NPI status
- Active
- Practice phone
- (208) 381-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael Thomas Gregg practices at St. Luke's Boise Medical Center in Boise, Idaho
Dr. Gregg's primary practice is St. Luke's Boise Medical Center, at 190 East Bannock Street, Boise, ID 83712 in Ada County. The practice phone is (208) 381-2222.
- St. Luke's Boise Medical Center190 East Bannock Street, Boise, ID 83712 · Ada CountyPhone(208) 381-2222
Source: Dmand AI Affiliation Data
Dr. Michael Thomas Gregg is affiliated with 2 sites of care
Dr. Gregg's primary practice is St. Luke's Boise Medical Center in Boise, Idaho, part of St. Luke's Health System. Dmand AI also links Dr. Gregg to 1 breast imaging center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Thomas Gregg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregg practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Luke's Boise Medical Center | Available with a free account |
| +1 more affiliated site | 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 St. Luke's Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael Thomas Gregg is one of 419 internists in Idaho
Internal medicine is Dr. Gregg's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Gregg's licenses on file in 2 states: Idaho and Texas.
Specialties and state licenses
- Internal medicine, IdahoPrimary
- Texas license
Internists near Dr. Gregg
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. Michael Thomas Gregg's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Gregg's median patient age at 76, with 0% women.
Dr. Gregg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women0%
- Men98%
Source: Dmand AI Patient Panel Data
Dr. Michael Thomas Gregg wrote 89 Medicare Part D claims in 2024
In 2024, Dr. Gregg wrote 89 Medicare Part D claims. 96% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $113 in total drug cost. In 2020, CMS named 11 claims across 1 drug.
Dr. Gregg's Part D claims by kind of drug, 2024
- Generic85 claims96%
- Brand-name and other4 claims4%
Dr. Gregg'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, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 112024: 2082%
Drugs named by CMS: 1 in 2024, 1 in 2020.
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
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.
Sources for Dr. Michael Thomas Gregg'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 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) |
| 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. Michael Thomas Gregg
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. Michael Thomas Gregg's NPI number?
Dr. Michael Thomas Gregg's NPI number is 1366544165. It was assigned on September 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Thomas Gregg?
Dr. Michael Thomas Gregg is an internist in Boise, Idaho. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Thomas Gregg practice?
Dr. Gregg practices at 190 East Bannock Street, Boise, ID 83712. Dr. Gregg's primary practice is St. Luke's Boise Medical Center in Boise, Idaho, part of St. Luke's Health System. Dmand AI also links Dr. Gregg to 1 breast imaging center.
What is Dr. Michael Thomas Gregg's office phone number?
The practice phone on file for Dr. Gregg is (208) 381-2222.
What is Dr. Michael Thomas Gregg's medical license number?
Dr. Gregg holds Idaho license M-14668, one of the licenses on file in 2 states.
Which states has Dr. Michael Thomas Gregg been licensed in?
Dmand AI has state licenses on file for Dr. Gregg in Idaho and Texas.
Which hospitals is Dr. Michael Thomas Gregg affiliated with?
Dr. Gregg practices at St. Luke's Boise Medical Center in Boise, Idaho.
What drugs does Dr. Michael Thomas Gregg prescribe most?
In 2024 Medicare Part D data, Dr. Gregg's most prescribed drugs by claims were Omeprazole.
How long has Dr. Michael Thomas Gregg been practicing?
Dr. Gregg's NPI was assigned in 2006.
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