Gregory R. Loomis, DDS
- Part D claims, 2024
- 34
- Industry payments
- $19
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1650 Laurel St Ste A Suite A, San Carlos, CA 94070-5237
- Practice phone
- Call (650) 593-0444
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Shifteh Iranmanesh
Dental practice · San Carlos, California
Find Gregory Loomis' 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.
Gregory R. Loomis is a general practice dentistry in San Carlos, California
Gregory Loomis practices at Shifteh Iranmanesh in San Carlos, California.
Gregory Loomis' NPI, 1932246089, was assigned on January 30, 2007. Gregory Loomis holds California license 29353.
- NPI
- 1932246089NPI Registry (opens in a new tab)
- NPI enumeration date
- January 30, 2007
- NPI status
- Active
- Practice phone
- (650) 593-0444
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory R. Loomis practices at Shifteh Iranmanesh in San Carlos, California
Gregory Loomis' primary practice is Shifteh Iranmanesh, at 1650 Laurel St Ste A Suite A, San Carlos, CA 94070-5237. The practice phone is (650) 593-0444.
- Shifteh Iranmanesh1650 Laurel St Ste A Suite A, San Carlos, CA 94070-5237Phone(650) 593-0444
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory R. Loomis is affiliated with 1 site of care and 1 medical group
Gregory Loomis' primary practice is Shifteh Iranmanesh in San Carlos, California. Dmand AI also links Gregory Loomis to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Gregory R. Loomis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Loomis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shifteh Iranmanesh | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory R. Loomis is one of 7,627 general practice dentistrys in California
General practice is Gregory Loomis' primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Gregory Loomis is licensed in California.
Specialties and state licenses
- General practice dentistry, CaliforniaPrimary
General practice dentistrys near Gregory Loomis
Counts of general practice dentistrys 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
Gregory R. Loomis wrote 34 Medicare Part D claims in 2024
In 2024, Gregory Loomis wrote 34 Medicare Part D claims for 27 patients. 94% of them were for generic drugs.
Gregory Loomis' Part D claims by kind of drug, 2024
- Generic32 claims94%
- Brand-name and other2 claims6%
Drug classes CMS tracks in Gregory Loomis' Part D claims, 2024
- Antibiotics82%28 of 34 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Gregory R. Loomis received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gregory Loomis from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $19.
Companies that paid Gregory Loomis the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gregory R. Loomis'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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 Gregory R. Loomis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory R. Loomis' NPI number?
Gregory R. Loomis' NPI number is 1932246089. It was assigned on January 30, 2007, and it is active in the NPI Registry.
What does Gregory R. Loomis specialize in?
Gregory R. Loomis is a general practice dentistry in San Carlos, California. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Gregory R. Loomis practice?
Gregory Loomis practices at 1650 Laurel St Ste A Suite A, San Carlos, CA 94070-5237. Gregory Loomis' primary practice is Shifteh Iranmanesh in San Carlos, California. Dmand AI also links Gregory Loomis to 1 medical group.
What is Gregory R. Loomis' office phone number?
The practice phone on file for Gregory Loomis is (650) 593-0444.
What is Gregory R. Loomis' medical license number?
Gregory Loomis holds California license 29353.
Has Gregory R. Loomis received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Gregory Loomis from 1 company from 2025 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Gregory R. Loomis been practicing?
Gregory Loomis' NPI was assigned in 2007.
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