Dr. Margaret Gray, MD
- Part D claims, 2024
- 80
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 600 Highland Ave, Madison, WI 53792
- Practice phone
- Call (608) 265-1978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services - Madison (Highland Ave)
College / University Student Health · Madison, Wisconsin
Find Dr. 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.
Dr. Margaret Gray is an internist in Madison, Wisconsin
Dr. Gray practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Gray's NPI, 1528509759, was assigned on March 20, 2017. Dr. Gray graduated from Vanderbilt University School of Medicine in 2017. Dr. Gray holds Washington license 61118802.
- NPI
- 1528509759NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789074121
- NPI enumeration date
- March 20, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 265-1978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Margaret Gray practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Gray's primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.
- University Health Services - Madison (Highland Ave)600 Highland Ave, Madison, WI 53792Phone(608) 265-1978
Source: Dmand AI Affiliation Data
Dr. Margaret Gray is affiliated with 2 sites of care and 1 medical group
Dr. Gray's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. The medical group on file is UW Health. Dmand AI also links Dr. Gray to 1 more group practice or clinic, named with a free account. Dr. Gray's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Margaret Gray's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gray practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services - Madison (Highland Ave) | 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. Margaret Gray is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Gray's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gray is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Gray
Counts of internists 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. Margaret Gray's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Gray's median patient age at 49, with 53% women.
Dr. 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 49
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Margaret Gray wrote 80 Medicare Part D claims in 2024
In 2024, Dr. Gray wrote 80 Medicare Part D claims. 85% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $6,809 in total drug cost.
Dr. Gray's Part D claims by kind of drug, 2024
- Generic68 claims85%
- Brand-name12 claims15%
Dr. Gray'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.
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. Margaret Gray takes part in Medicare
Dr. 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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Dr. Margaret Gray graduated from Vanderbilt University School of Medicine
Dr. Gray graduated from Vanderbilt University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Margaret 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 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) |
| 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. Margaret 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 Dr. Margaret Gray's NPI number?
Dr. Margaret Gray's NPI number is 1528509759. It was assigned on March 20, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret Gray?
Dr. Margaret Gray is an internist in Madison, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Margaret Gray practice?
Dr. Gray practices at 600 Highland Ave, Madison, WI 53792. Dr. Gray's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dmand AI also links Dr. Gray to 1 group practice or clinic.
What is Dr. Margaret Gray's office phone number?
The practice phone on file for Dr. Gray is (608) 265-1978.
What is Dr. Margaret Gray's medical license number?
Dr. Gray holds Washington license 61118802.
What medical group is Dr. Margaret Gray part of?
Dr. Gray is linked to UW Health.
Does Dr. Margaret Gray accept Medicare?
Yes. CMS lists Dr. Gray as accepting Medicare assignment.
Where did Dr. Margaret Gray go to medical school?
Dr. Gray graduated from Vanderbilt University School of Medicine in 2017.
What drugs does Dr. Margaret Gray prescribe most?
In 2024 Medicare Part D data, Dr. Gray's most prescribed drugs by claims were Eliquis.
How long has Dr. Margaret Gray been practicing?
Dr. Gray graduated from medical school in 2017, 9 years ago.
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