Dr. Nicholas Blake Gregory, DO
- Part D claims, 2024
- 311
- Hospital affiliations
- 3
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 36475 Five Mile Road, Livonia, MI 48154
- Practice phone
- Call (734) 655-4800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gregory'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. Nicholas Blake Gregory is an internist in Livonia, Michigan
Dr. Gregory practices at Trinity Health Livonia Hospital in Livonia, Michigan, part of Trinity Health.
Dr. Gregory's NPI, 1043897051, was assigned on March 25, 2021. Dr. Gregory holds Michigan license 5101027953.
- NPI
- 1043897051NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082015623
- NPI enumeration date
- March 25, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 655-4800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicholas Blake Gregory practices at Trinity Health Livonia Hospital in Livonia, Michigan
Dr. Gregory's primary practice is Trinity Health Livonia Hospital, at 36475 Five Mile Road, Livonia, MI 48154 in Wayne County. The practice phone is (734) 655-4800.
- Trinity Health Livonia Hospital36475 Five Mile Road, Livonia, MI 48154 · Wayne CountyPhone(734) 655-4800
Source: Dmand AI Affiliation Data
Dr. Nicholas Blake Gregory is affiliated with 4 sites of care and 1 medical group
Dr. Gregory's primary practice is Trinity Health Livonia Hospital in Livonia, Michigan, part of Trinity Health. Dr. Gregory is also affiliated with Trinity Health Ann Arbor Hospital. The medical group on file is Trinity Health IHA Medical Group. Dmand AI also links Dr. Gregory 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. Nicholas Blake Gregory's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregory practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trinity Health Livonia Hospital | Available with a free account |
| +3 more affiliated sites | 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nicholas Blake Gregory is one of 4,804 internists in Michigan
Internal medicine is Dr. Gregory's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gregory is board certified in internal medicine by the American Board of Internal Medicine. Dr. Gregory is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Gregory
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. Nicholas Blake Gregory's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Gregory's median patient age at 78, with 50% women.
Dr. Gregory's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Nicholas Blake Gregory wrote 311 Medicare Part D claims in 2024
In 2024, Dr. Gregory wrote 311 Medicare Part D claims for 92 patients. 87% of them were for generic drugs. CMS names the drug for 84 of them, across 6 drugs with 11 or more claims each, at $805 in total drug cost. In 2023, CMS named 94 claims across 6 drugs.
Dr. Gregory's Part D claims by kind of drug, 2024
- Generic270 claims87%
- Brand-name and other41 claims13%
Dr. Gregory'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. Gregory's Part D claims, 2024
- Opioids9%27 of 311 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: 942024: 8411%
Drugs named by CMS: 6 in 2024, 6 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
How Dr. Nicholas Blake Gregory takes part in Medicare
Dr. Gregory accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Nicholas Blake Gregory is board certified in internal medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas Blake Gregory'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Nicholas Blake Gregory
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. Nicholas Blake Gregory's NPI number?
Dr. Nicholas Blake Gregory's NPI number is 1043897051. It was assigned on March 25, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Blake Gregory?
Dr. Nicholas Blake Gregory is an internist in Livonia, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nicholas Blake Gregory practice?
Dr. Gregory practices at 36475 Five Mile Road, Livonia, MI 48154. Dr. Gregory's primary practice is Trinity Health Livonia Hospital in Livonia, Michigan, part of Trinity Health. Dmand AI also links Dr. Gregory to 1 hospital and 1 group practice or clinic.
What is Dr. Nicholas Blake Gregory's office phone number?
The practice phone on file for Dr. Gregory is (734) 655-4800.
What is Dr. Nicholas Blake Gregory's medical license number?
Dr. Gregory holds Michigan license 5101027953.
Which hospitals is Dr. Nicholas Blake Gregory affiliated with?
Dr. Gregory practices at Trinity Health Livonia Hospital in Livonia, Michigan. Dr. Gregory is also affiliated with Trinity Health Ann Arbor Hospital. Dmand AI links Dr. Gregory to 1 more hospital.
What medical group is Dr. Nicholas Blake Gregory part of?
Dr. Gregory is linked to Trinity Health IHA Medical Group.
Does Dr. Nicholas Blake Gregory accept Medicare?
Yes. CMS lists Dr. Gregory as accepting Medicare assignment.
Is Dr. Nicholas Blake Gregory board certified?
Yes. Dr. Gregory is board certified in internal medicine by the American Board of Internal Medicine.
What drugs does Dr. Nicholas Blake Gregory prescribe most?
In 2024 Medicare Part D data, Dr. Gregory's most prescribed drugs by claims were Pantoprazole Sodium, Amlodipine Besylate and Atorvastatin Calcium.
How long has Dr. Nicholas Blake Gregory been practicing?
Dr. Gregory graduated from medical school in 2021, 5 years ago.
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