Dr. Robin Gay Mainwaring, MD
- Medicare services, 2024
- 250
- Medicare patients, 2024
- 148
- Part D claims, 2024
- 447
- Industry payments
- $4,546
- Affiliated sites
- 2
- Practice address
- 1200 E 3900 S, Salt Lake City, UT 84124
- Practice phone
- Call (801) 268-7111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Marks Hospital
Salt Lake City, Utah
Find Dr. Mainwaring's professional email, personal email and mobile number
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Dr. Robin Gay Mainwaring is a gynecology physician in Salt Lake City, Utah
Dr. Mainwaring practices at St Marks Hospital in Salt Lake City, Utah.
Dr. Mainwaring's NPI, 1043276033, was assigned on April 26, 2006. Dr. Mainwaring graduated from University of Utah School of Medicine in 1993. Dr. Mainwaring holds Utah license 183551-1205.
- NPI
- 1043276033NPI Registry (opens in a new tab)
- NPI enumeration date
- April 26, 2006
- NPI status
- Active
- Practice phone
- (801) 268-7111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robin Gay Mainwaring practices at St Marks Hospital in Salt Lake City, Utah
Dr. Mainwaring's primary practice is St Marks Hospital, at 1200 E 3900 S, Salt Lake City, UT 84124 in Salt Lake County. The practice phone is (801) 268-7111.
- St Marks Hospital1200 E 3900 S, Salt Lake City, UT 84124 · Salt Lake CountyPhone(801) 268-7111
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robin Gay Mainwaring is affiliated with 3 sites of care and 2 medical groups
Dr. Mainwaring's primary practice is St Marks Hospital in Salt Lake City, Utah. The medical group on file is Granger Medical Clinic. Dmand AI also links Dr. Mainwaring to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robin Gay Mainwaring's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mainwaring practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Marks Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robin Gay Mainwaring is one of 13 gynecology physicians in Utah
Gynecology is Dr. Mainwaring's primary specialty in the NPI Registry, under taxonomy code 207VG0400X. Dr. Mainwaring is licensed in Utah.
Specialties and state licenses
- Gynecology, UtahPrimary
Gynecology physicians near Dr. Mainwaring
Counts of gynecology 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. Robin Gay Mainwaring billed Medicare for 250 services in 2024
CMS data shows 250 Medicare services from Dr. Mainwaring across 6 procedure codes in 2024, for 148 Medicare patients. Medicare paid $16,181 for them. Every service was in an office.
Dr. Mainwaring's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1732024: 1711%
- Other services
- 2023: 852024: 797%
- Lab and pathology
- 2023: 162024: 0100%
Dr. Mainwaring compared with the Utah median for gynecology physicians, 2024
- Dr. Mainwaring
- Utah median
- Medicare services
- 250vs 505.0 times
- Part D claims
- 340vs 2812.1 times
Medians across 13 gynecology physicians in Utah with Dmand AI profiles that report each measure.
Dr. Mainwaring's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mainwaring and other gynecology physicians in Utah.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robin Gay Mainwaring treated 148 Medicare patients in 2024, average age 73
CMS counts 148 Medicare patients who saw Dr. Mainwaring in 2024. The largest group is 65 to 74, with 92 patients. 52% of them have high cholesterol, and 51% have high blood pressure. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mainwaring's median patient age at 53, with 100% women.
Dr. Mainwaring's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Mainwaring's Medicare patients, 2024
- High cholesterol52%
- High blood pressure51%
- Arthritis45%
- Osteoporosis28%
- Mood disorders24%
- Depression23%
- Anxiety18%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mainwaring's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robin Gay Mainwaring wrote 447 Medicare Part D claims in 2024
In 2024, Dr. Mainwaring wrote 447 Medicare Part D claims for 148 patients. 93% of them were for generic drugs. CMS names the drug for 340 of them, across 11 drugs with 11 or more claims each, at $23,710 in total drug cost. In 2023, CMS named 219 claims across 8 drugs.
Dr. Mainwaring's Part D claims by kind of drug, 2024
- Generic414 claims93%
- Brand-name33 claims7%
Dr. Mainwaring'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. Mainwaring's Part D claims, 2024
- Antibiotics4%17 of 447 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: 2192024: 34055%
Drugs named by CMS: 11 in 2024, 8 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
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Dr. Robin Gay Mainwaring received $4,546 in industry payments from 2016 to 2024
CMS Open Payments shows 178 general payments to Dr. Mainwaring from 39 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 71% of the total. Boston Scientific Corporation paid the most, $1,715.
General payments to Dr. Mainwaring by program year, 2016 to 2024
General payments to Dr. Mainwaring by kind, 2016 to 2024
- Food and beverage$3,22871%
- Travel and lodging$1,24727%
- Education$441%
- Gifts$271%
Companies that paid Dr. Mainwaring the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robin Gay Mainwaring graduated from University of Utah School of Medicine
Dr. Mainwaring graduated from University of Utah School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robin Gay Mainwaring'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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. Robin Gay Mainwaring
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. Robin Gay Mainwaring's NPI number?
Dr. Robin Gay Mainwaring's NPI number is 1043276033. It was assigned on April 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robin Gay Mainwaring?
Dr. Robin Gay Mainwaring is a gynecology physician in Salt Lake City, Utah. The primary specialty in the NPI Registry is Gynecology Physician (taxonomy code 207VG0400X).
Where does Dr. Robin Gay Mainwaring practice?
Dr. Mainwaring practices at 1200 E 3900 S, Salt Lake City, UT 84124. Dr. Mainwaring's primary practice is St Marks Hospital in Salt Lake City, Utah. Dmand AI also links Dr. Mainwaring to 2 group practices and clinics and 1 medical group.
What is Dr. Robin Gay Mainwaring's office phone number?
The practice phone on file for Dr. Mainwaring is (801) 268-7111.
What is Dr. Robin Gay Mainwaring's medical license number?
Dr. Mainwaring holds Utah license 183551-1205.
What medical group is Dr. Robin Gay Mainwaring part of?
Dr. Mainwaring is linked to Granger Medical Clinic. Dmand AI links Dr. Mainwaring to 1 more medical group.
Does Dr. Robin Gay Mainwaring accept Medicare?
Yes. CMS data shows Dr. Mainwaring billed Medicare for 250 services in 2024.
How many Medicare patients does Dr. Robin Gay Mainwaring see?
CMS counts 148 Medicare patients who saw Dr. Mainwaring in 2024, with an average age of 73.
What services does Dr. Robin Gay Mainwaring bill to Medicare?
In 2024, Dr. Mainwaring's most billed Medicare services were office visit, established patient (99214), medicare service (G0101) and office visit, established patient (99213).
Where did Dr. Robin Gay Mainwaring go to medical school?
Dr. Mainwaring graduated from University of Utah School of Medicine in 1993.
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What drugs does Dr. Robin Gay Mainwaring prescribe most?
In 2024 Medicare Part D data, Dr. Mainwaring's most prescribed drugs by claims were Estradiol, Clobetasol Propionate and Valacyclovir.
Has Dr. Robin Gay Mainwaring received payments from drug or device companies?
CMS Open Payments shows $4,546 in general payments to Dr. Mainwaring from 39 companies from 2016 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Robin Gay Mainwaring been practicing?
Dr. Mainwaring graduated from medical school in 1993, 33 years ago.
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