Dr. Larry O. Smithing, MD
- Industry payments
- $101
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 4650 Harrison Blvd, Ogden, UT 84403-4303
- Practice phone
- Call (801) 475-3010
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ogden Clinic - Ogden (4650 Harrison Blvd)
Multi-specialty group site · Ogden, Utah
Find Dr. Smithing'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. Larry O. Smithing is an OB-GYN in Layton, Utah
Dr. Smithing practices at Ogden Clinic - Ogden (4650 Harrison Blvd) in Ogden, Utah.
Dr. Smithing's NPI, 1609864461, was assigned on October 6, 2005. Dr. Smithing graduated from University of Hawaii John A. Burns School of Medicine in 1985. Dr. Smithing holds Utah license 180691-1205.
- NPI
- 1609864461NPI Registry (opens in a new tab)
- NPI enumeration date
- October 6, 2005
- NPI status
- Active
- Practice phone
- (801) 475-3010
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Larry O. Smithing practices in Ogden and Layton
Dr. Smithing's primary practice is Ogden Clinic - Ogden (4650 Harrison Blvd), at 4650 Harrison Blvd, Ogden, UT 84403-4303. The practice phone is (801) 475-3010. The NPI Registry lists Dr. Smithing's practice address as 1600 W Antelope Dr, Layton, UT 84041.
- Ogden Clinic - Ogden (4650 Harrison Blvd)Primary4650 Harrison Blvd, Ogden, UT 84403-4303Phone(801) 475-3010
- NPI Registry address1600 W Antelope Dr, Layton, UT 84041 · Davis CountyPhone(801) 475-3100
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Larry O. Smithing is affiliated with 2 sites of care and 2 medical groups
Dr. Smithing's primary practice is Ogden Clinic - Ogden (4650 Harrison Blvd) in Ogden, Utah. The medical group on file is Ogden Clinic. Dmand AI also links Dr. Smithing to 1 more group practice or clinic and 1 medical group, each 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 Dr. Larry O. Smithing's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Smithing practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ogden Clinic - Ogden (4650 Harrison Blvd) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Larry O. Smithing is one of 341 OB-GYNs in Utah
Obstetrics and gynecology is Dr. Smithing's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Smithing is licensed in Utah.
Specialties and state licenses
- Obstetrics and gynecology, UtahPrimary
OB-GYNs near Dr. Smithing
Counts of OB-GYNs 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. Larry O. Smithing's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Smithing's median patient age at 38, with 100% women.
Dr. Smithing's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Larry O. Smithing received $101 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Smithing from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $101.
Companies that paid Dr. Smithing the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Larry O. Smithing graduated from University of Hawaii John A. Burns School of Medicine
Dr. Smithing graduated from University of Hawaii John A. Burns School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Larry O. Smithing'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (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. Larry O. Smithing
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. Larry O. Smithing's NPI number?
Dr. Larry O. Smithing's NPI number is 1609864461. It was assigned on October 6, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Larry O. Smithing?
Dr. Larry O. Smithing is an OB-GYN in Layton, Utah. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Larry O. Smithing practice?
Dr. Smithing practices at 4650 Harrison Blvd, Ogden, UT 84403-4303. Dr. Smithing also practices at 1600 W Antelope Dr, Layton, UT 84041. Dr. Smithing's primary practice is Ogden Clinic - Ogden (4650 Harrison Blvd) in Ogden, Utah. Dmand AI also links Dr. Smithing to 1 group practice or clinic and 1 medical group.
What is Dr. Larry O. Smithing's office phone number?
The practice phone on file for Dr. Smithing is (801) 475-3010.
What is Dr. Larry O. Smithing's medical license number?
Dr. Smithing holds Utah license 180691-1205.
What medical group is Dr. Larry O. Smithing part of?
Dr. Smithing is linked to Ogden Clinic. Dmand AI links Dr. Smithing to 1 more medical group.
Where did Dr. Larry O. Smithing go to medical school?
Dr. Smithing graduated from University of Hawaii John A. Burns School of Medicine in 1985.
Has Dr. Larry O. Smithing received payments from drug or device companies?
CMS Open Payments shows $101 in general payments to Dr. Smithing from 1 company from 2025 to 2025. The largest total came from Hologic Inc.
How long has Dr. Larry O. Smithing been practicing?
Dr. Smithing graduated from medical school in 1985, 41 years ago.
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