Dr. Gregory D. Layton, MD
- Part D claims, 2024
- 11
- Industry payments
- $3,814
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 4824 E Baseline Rd, Mesa, AZ 85206
- Practice phone
- Call (602) 240-2401
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Women's Care Arizona
Mesa, Arizona
Find Dr. Layton'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. Gregory D. Layton is an OB-GYN in Mesa, Arizona
Dr. Layton practices at Women's Care Arizona in Mesa, Arizona.
Dr. Layton's NPI, 1104881986, was assigned on April 18, 2006. Dr. Layton graduated from University of Utah School of Medicine in 1994. Dr. Layton holds Arizona license 23687.
- NPI
- 1104881986NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567489727
- NPI enumeration date
- April 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 240-2401
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory D. Layton practices at Women's Care Arizona in Mesa, Arizona
Dr. Layton's primary practice is Women's Care Arizona, at 4824 E Baseline Rd, Mesa, AZ 85206 in Maricopa County. The practice phone is (602) 240-2401.
- Women's Care Arizona4824 E Baseline Rd, Mesa, AZ 85206 · Maricopa CountyPhone(602) 240-2401
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory D. Layton is affiliated with 2 sites of care and 1 medical group
Dr. Layton's primary practice is Women's Care Arizona in Mesa, Arizona. The medical group on file is Women’s Care of Phoenix. Dmand AI also links Dr. Layton to 1 more group practice or clinic, 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. Gregory D. Layton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Layton practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Women's Care Arizona | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory D. Layton is one of 654 OB-GYNs in Arizona
Obstetrics and gynecology is Dr. Layton's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Layton is licensed in Arizona.
Specialties and state licenses
- Obstetrics and gynecology, ArizonaPrimary
OB-GYNs near Dr. Layton
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. Gregory D. Layton's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Dr. Layton's median patient age at 32, with 97% women.
Dr. Layton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women97%
- Men2%
Source: Dmand AI Patient Panel Data
Dr. Gregory D. Layton wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Layton wrote 11 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $976 in total drug cost.
Dr. Layton's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Gregory D. Layton takes part in Medicare
Dr. Layton 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)
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Dr. Gregory D. Layton received $3,814 in industry payments from 2016 to 2025
CMS Open Payments shows 141 general payments to Dr. Layton from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Boston Scientific Corporation paid the most, $868.
General payments to Dr. Layton by program year, 2016 to 2025
General payments to Dr. Layton by kind, 2016 to 2025
- Food and beverage$3,26185%
- Travel and lodging$52214%
- Education$311%
Companies that paid Dr. Layton the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory D. Layton graduated from University of Utah School of Medicine
Dr. Layton graduated from University of Utah School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory D. Layton'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 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) |
| 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. Gregory D. Layton
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. Gregory D. Layton's NPI number?
Dr. Gregory D. Layton's NPI number is 1104881986. It was assigned on April 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory D. Layton?
Dr. Gregory D. Layton is an OB-GYN in Mesa, Arizona. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Gregory D. Layton practice?
Dr. Layton practices at 4824 E Baseline Rd, Mesa, AZ 85206. Dr. Layton's primary practice is Women's Care Arizona in Mesa, Arizona. Dmand AI also links Dr. Layton to 1 group practice or clinic.
What is Dr. Gregory D. Layton's office phone number?
The practice phone on file for Dr. Layton is (602) 240-2401.
What is Dr. Gregory D. Layton's medical license number?
Dr. Layton holds Arizona license 23687.
What medical group is Dr. Gregory D. Layton part of?
Dr. Layton is linked to Women’s Care of Phoenix.
Does Dr. Gregory D. Layton accept Medicare?
Yes. CMS lists Dr. Layton as accepting Medicare assignment.
Where did Dr. Gregory D. Layton go to medical school?
Dr. Layton graduated from University of Utah School of Medicine in 1994.
What drugs does Dr. Gregory D. Layton prescribe most?
In 2019 Medicare Part D data, Dr. Layton's most prescribed drugs by claims were Estradiol.
Has Dr. Gregory D. Layton received payments from drug or device companies?
CMS Open Payments shows $3,814 in general payments to Dr. Layton from 35 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Gregory D. Layton been practicing?
Dr. Layton graduated from medical school in 1994, 32 years ago.
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