Dr. Ian David Gregory, DO
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 2127 E Harmony Rd, Fort Collins, CO 80528
- Practice phone
- Call (970) 297-6300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Harmony Surgery Center
Surgery Center - Medicare-Certified · Fort Collins, Colorado
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. Ian David Gregory is a family medicine physician in Fort Collins, Colorado
Dr. Gregory practices at Harmony Surgery Center in Fort Collins, Colorado.
Dr. Gregory's NPI, 1790771210, was assigned on September 20, 2005. Dr. Gregory graduated from Arizona College of Osteopathic Medicine - Glendale in 2004. Dr. Gregory holds Indiana license 020030164A.
- NPI
- 1790771210NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163828948
- NPI enumeration date
- September 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (970) 297-6300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ian David Gregory practices at Harmony Surgery Center in Fort Collins, Colorado
Dr. Gregory's primary practice is Harmony Surgery Center, at 2127 E Harmony Rd, Fort Collins, CO 80528. The practice phone is (970) 297-6300.
- Harmony Surgery Center2127 E Harmony Rd, Fort Collins, CO 80528Phone(970) 297-6300
Source: Dmand AI Affiliation Data
Dr. Ian David Gregory is affiliated with 3 sites of care and 1 medical group
Dr. Gregory's primary practice is Harmony Surgery Center in Fort Collins, Colorado. Dr. Gregory is also affiliated with St. Charles Bend. The medical group on file is Summit Health. Dmand AI also links Dr. Gregory to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ian David Gregory's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregory practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harmony Surgery Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ian David Gregory is one of 2,952 family medicine physicians in Colorado
Family medicine is Dr. Gregory's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Gregory is board certified in family medicine by the American Board of Family Medicine. Dr. Gregory is licensed in Indiana.
Specialties and state licenses
- Family medicine, IndianaPrimary
Family medicine physicians near Dr. Gregory
Counts of family medicine physicians 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. Ian David Gregory's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Gregory's median patient age at 59, with 78% 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 59
Patient panel by sex, all payers
- Women78%
- Men22%
Source: Dmand AI Patient Panel Data
How Dr. Ian David Gregory takes part in Medicare
Dr. Gregory accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
Dr. Ian David Gregory graduated from Arizona College of Osteopathic Medicine - Glendale
Dr. Gregory graduated from Arizona College of Osteopathic Medicine - Glendale in 2004.
- Medical school
- Board certified in family medicine
- Board certified in aerospace medicine
- Board certified in 2004 - 2007
- Board certified in 2006 - 2025
- Board certified in 2025 - 2025
Source: Dmand AI Professional Profile Data
Sources for Dr. Ian David 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 |
| 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) |
| 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. Ian David 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. Ian David Gregory's NPI number?
Dr. Ian David Gregory's NPI number is 1790771210. It was assigned on September 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ian David Gregory?
Dr. Ian David Gregory is a family medicine physician in Fort Collins, Colorado. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Ian David Gregory practice?
Dr. Gregory practices at 2127 E Harmony Rd, Fort Collins, CO 80528. Dr. Gregory's primary practice is Harmony Surgery Center in Fort Collins, Colorado. Dmand AI also links Dr. Gregory to 1 group practice or clinic.
What is Dr. Ian David Gregory's office phone number?
The practice phone on file for Dr. Gregory is (970) 297-6300.
What is Dr. Ian David Gregory's medical license number?
Dr. Gregory holds Indiana license 020030164A.
Which hospitals is Dr. Ian David Gregory affiliated with?
Dr. Gregory is affiliated with St. Charles Bend.
What medical group is Dr. Ian David Gregory part of?
Dr. Gregory is linked to Summit Health.
Does Dr. Ian David Gregory accept Medicare?
Yes. CMS lists Dr. Gregory as accepting Medicare assignment.
Is Dr. Ian David Gregory board certified?
Yes. Dr. Gregory is board certified in family medicine by the American Board of Family Medicine.
Where did Dr. Ian David Gregory go to medical school?
Dr. Gregory graduated from Arizona College of Osteopathic Medicine - Glendale in 2004.
How long has Dr. Ian David Gregory been practicing?
Dr. Gregory graduated from medical school in 2004, 22 years ago.
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