Mary Catherine Gray
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 54
- Hospital affiliations
- 2
- Industry payments
- $17
- Medical groups
- 2
- Practice address
- 555 Hartsville Pike, Gallatin, TN 37066
- Practice phone
- Call (615) 328-8888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Mary Gray'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.
Mary Catherine Gray is a family nurse practitioner in Gallatin, Tennessee
Mary Gray practices at Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee, part of Lifepoint Health.
Mary Gray's NPI, 1023855863, was assigned on July 10, 2024. Mary Gray holds Tennessee license 36748.
- NPI
- 1023855863NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759813447
- NPI enumeration date
- July 10, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (615) 328-8888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Catherine Gray practices at Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee
Mary Gray's primary practice is Highpoint Health - Sumner with Ascension Saint Thomas, at 555 Hartsville Pike, Gallatin, TN 37066 in Sumner County. The practice phone is (615) 328-8888.
- Highpoint Health - Sumner with Ascension Saint Thomas555 Hartsville Pike, Gallatin, TN 37066 · Sumner CountyPhone(615) 328-8888
Source: Dmand AI Affiliation Data
Mary Catherine Gray is affiliated with 3 sites of care and 2 medical groups
Mary Gray's primary practice is Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee, part of Lifepoint Health. Mary Gray is also affiliated with Macon Community Hospital. The medical group on file is The Little Clinic. Dmand AI also links Mary Gray to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Catherine Gray's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Gray practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Highpoint Health - Sumner with Ascension Saint Thomas | 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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Mary Catherine Gray is one of 7,243 family nurse practitioners in Tennessee
Family is Mary Gray's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Mary Gray is licensed in Tennessee.
Specialties and state licenses
- Family nurse practitioner, TennesseePrimary
Family nurse practitioners near Mary Gray
Counts of family nurse practitioners 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
Mary Catherine Gray treated 42 Medicare patients in 2024, average age 74
CMS counts 42 Medicare patients who saw Mary Gray in 2024. The largest group is 65 to 74, with 24 patients. 67% of them have high blood pressure, and 62% have high cholesterol. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mary Gray's median patient age at 70, with 57% women.
Mary Gray's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Gray's Medicare patients by sex, 2024
- Women2662%
- Men1638%
Chronic conditions among Mary Gray's Medicare patients, 2024
- High blood pressure67%
- High cholesterol62%
- Arthritis38%
- Ischemic heart disease38%
Share of Medicare patients with each condition. A patient can have several.
Mary Gray's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Catherine Gray wrote 54 Medicare Part D claims in 2024
In 2024, Mary Gray wrote 54 Medicare Part D claims for 40 patients. 83% of them were for generic drugs.
Mary Gray's Part D claims by kind of drug, 2024
- Generic45 claims83%
- Brand-name and other9 claims17%
Drug classes CMS tracks in Mary Gray's Part D claims, 2024
- Antibiotics59%32 of 54 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
How Mary Catherine Gray takes part in Medicare
Mary Gray 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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Mary Catherine Gray received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mary Gray from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $17.
Companies that paid Mary Gray 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 Mary Catherine Gray'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 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 (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) |
| 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 Mary Catherine Gray
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Catherine Gray's NPI number?
Mary Catherine Gray's NPI number is 1023855863. It was assigned on July 10, 2024, and it is active in the NPI Registry.
What does Mary Catherine Gray specialize in?
Mary Catherine Gray is a family nurse practitioner in Gallatin, Tennessee. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Mary Catherine Gray practice?
Mary Gray practices at 555 Hartsville Pike, Gallatin, TN 37066. Mary Gray's primary practice is Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee, part of Lifepoint Health. Dmand AI also links Mary Gray to 1 group practice or clinic and 1 medical group.
What is Mary Catherine Gray's office phone number?
The practice phone on file for Mary Gray is (615) 328-8888.
What is Mary Catherine Gray's medical license number?
Mary Gray holds Tennessee license 36748.
Which hospitals is Mary Catherine Gray affiliated with?
Mary Gray practices at Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee. Mary Gray is also affiliated with Macon Community Hospital.
What medical group is Mary Catherine Gray part of?
Mary Gray is linked to The Little Clinic. Dmand AI links Mary Gray to 1 more medical group.
Does Mary Catherine Gray accept Medicare?
Yes. CMS lists Mary Gray as accepting Medicare assignment.
How many Medicare patients does Mary Catherine Gray see?
CMS counts 42 Medicare patients who saw Mary Gray in 2024, with an average age of 74.
Has Mary Catherine Gray received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Mary Gray from 1 company from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Mary Catherine Gray been practicing?
Mary Gray graduated from medical school in 2024, 2 years ago.
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