Dr. Gregory Patrick Hayes, MD
- Medicare services, 2022
- 14
- Medicare patients, 2024
- 57
- Hospital affiliations
- 3
- Industry payments
- $217
- Medical groups
- 4
- Practice address
- 1201 E Highway 287, Midlothian, TX 76065
- Practice phone
- Call (469) 846-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hayes' 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 Patrick Hayes is an anesthesiologist in Midlothian, Texas
Dr. Hayes practices at Methodist Midlothian Medical Center in Midlothian, Texas, part of Methodist Hospitals of Dallas.
Dr. Hayes' NPI, 1730390980, was assigned on May 26, 2007. Dr. Hayes graduated from UT Southwestern Medical Center in 2006. Dr. Hayes holds Texas license N4464.
- NPI
- 1730390980NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385769132
- NPI enumeration date
- May 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (469) 846-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Patrick Hayes practices at Methodist Midlothian Medical Center in Midlothian, Texas
Dr. Hayes' primary practice is Methodist Midlothian Medical Center, at 1201 E Highway 287, Midlothian, TX 76065 in Ellis County. The practice phone is (469) 846-2000.
- Methodist Midlothian Medical Center1201 E Highway 287, Midlothian, TX 76065 · Ellis CountyPhone(469) 846-2000
Source: Dmand AI Affiliation Data
Dr. Gregory Patrick Hayes is affiliated with 3 sites of care and 4 medical groups
Dr. Hayes' primary practice is Methodist Midlothian Medical Center in Midlothian, Texas, part of Methodist Hospitals of Dallas. Dr. Hayes is also affiliated with Methodist Mansfield Medical Center. The medical group on file is US Anesthesia Partners. Dmand AI also links Dr. Hayes to 1 more hospital and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Patrick Hayes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hayes practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist Midlothian Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Methodist Hospitals of Dallas and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory Patrick Hayes is one of 4,073 anesthesiologists in Texas
Anesthesiology is Dr. Hayes' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Hayes is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Hayes' licenses on file in 9 states: Texas, Arizona, Florida, California, New Hampshire, Ohio, Oregon, Arkansas and Pennsylvania.
Specialties and state licenses
- Anesthesiology, TexasPrimary
- Arizona license
- Florida license
- California license
- New Hampshire license
- Ohio license
- Oregon license
- Arkansas license
- Pennsylvania license
Anesthesiologists near Dr. Hayes
Counts of anesthesiologists 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 Patrick Hayes billed Medicare for 14 services in 2022
CMS data shows 14 Medicare services from Dr. Hayes across 1 procedure code in 2022, for 57 Medicare patients. Medicare paid $1,259 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hayes' Medicare services by type, 2020 to 2022
- 2020
- 2022
- Anesthesia
- 2020: 02022: 14
- Imaging
- 2020: 142022: 0100%
- Surgery
- 2020: 112022: 0100%
Dr. Hayes compared with the Texas median for anesthesiologists, 2022
- Dr. Hayes
- Texas median
- Medicare services
- 14vs 7180% below
- Medicare patients
- 57vs 13257% below
Medians across 3,710 anesthesiologists in Texas with Dmand AI profiles that report each measure.
Dr. Hayes' most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hayes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hayes and other anesthesiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Patrick Hayes treated 57 Medicare patients in 2024, average age 74
CMS counts 57 Medicare patients who saw Dr. Hayes in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 2.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hayes' median patient age at 63, with 61% women.
Dr. Hayes' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hayes' Medicare patients by sex, 2024
- Women3154%
- Men2646%
Chronic conditions among Dr. Hayes' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease42%
- Diabetes42%
- Mood disorders40%
- Anxiety37%
- Ischemic heart disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hayes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women61%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Gregory Patrick Hayes takes part in Medicare
Dr. Hayes 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gregory Patrick Hayes received $217 in industry payments from 2020 to 2025
CMS Open Payments shows 5 general payments to Dr. Hayes from 4 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $100.
General payments to Dr. Hayes by program year, 2020 to 2025
Companies that paid Dr. Hayes the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Patrick Hayes graduated from UT Southwestern Medical Center
Dr. Hayes graduated from UT Southwestern Medical Center in 2006.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Gregory Patrick Hayes accepts plans from 18 insurance carriers
Dr. Hayes is in network with 18 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +10 more carriersWith a free account
Plan types Dr. Hayes accepts, by number of carriers
- PPO11
- HMO9
- Medicare6
- EPO3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Patrick Hayes'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 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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Patrick Hayes
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 Patrick Hayes' NPI number?
Dr. Gregory Patrick Hayes' NPI number is 1730390980. It was assigned on May 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Patrick Hayes?
Dr. Gregory Patrick Hayes is an anesthesiologist in Midlothian, Texas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Gregory Patrick Hayes practice?
Dr. Hayes practices at 1201 E Highway 287, Midlothian, TX 76065. Dr. Hayes' primary practice is Methodist Midlothian Medical Center in Midlothian, Texas, part of Methodist Hospitals of Dallas. Dmand AI also links Dr. Hayes to 1 hospital and 3 medical groups.
What is Dr. Gregory Patrick Hayes' office phone number?
The practice phone on file for Dr. Hayes is (469) 846-2000.
What is Dr. Gregory Patrick Hayes' medical license number?
Dr. Hayes holds Texas license N4464, one of the licenses on file in 9 states.
Which states has Dr. Gregory Patrick Hayes been licensed in?
Dmand AI has state licenses on file for Dr. Hayes in Texas (2009 to 2026), Arizona (2023 to 2026), Florida (2023 to 2026), California (2023 to 2025), New Hampshire (2023 to 2025), Ohio (2023 to 2025), Oregon (2023 to 2025), Arkansas (2023 to 2024) and Pennsylvania (2023 to 2024).
Which hospitals is Dr. Gregory Patrick Hayes affiliated with?
Dr. Hayes practices at Methodist Midlothian Medical Center in Midlothian, Texas. Dr. Hayes is also affiliated with Methodist Mansfield Medical Center. Dmand AI links Dr. Hayes to 1 more hospital.
What medical group is Dr. Gregory Patrick Hayes part of?
Dr. Hayes is linked to US Anesthesia Partners. Dmand AI links Dr. Hayes to 3 more medical groups.
Does Dr. Gregory Patrick Hayes accept Medicare?
Yes. CMS data shows Dr. Hayes billed Medicare for 14 services in 2022, and Dr. Hayes accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Patrick Hayes see?
CMS counts 57 Medicare patients who saw Dr. Hayes in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
Is Dr. Gregory Patrick Hayes board certified?
Yes. Dr. Hayes is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Gregory Patrick Hayes bill to Medicare?
In 2022, Dr. Hayes' most billed Medicare services were anesthesia (00812).
Where did Dr. Gregory Patrick Hayes go to medical school?
Dr. Hayes graduated from UT Southwestern Medical Center in 2006.
Has Dr. Gregory Patrick Hayes received payments from drug or device companies?
CMS Open Payments shows $217 in general payments to Dr. Hayes from 4 companies from 2020 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Gregory Patrick Hayes been practicing?
Dr. Hayes graduated from medical school in 2006, 20 years ago.
What insurance does Dr. Gregory Patrick Hayes accept?
Dr. Hayes is in network with 18 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to anesthesiology practices?
See anesthesiologists in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card