Margaret Kray, FNP, RN
- Part D claims, 2024
- 1,367
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 2500 Alhambra Avenue, Martinez, CA 94553
- Practice phone
- Call (925) 370-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Margaret Kray'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.
Margaret Kray is a family nurse practitioner in Martinez, California
Margaret Kray practices at Contra Costa Regional Medical Center in Martinez, California, part of State of California.
Margaret Kray's NPI, 1760630941, was assigned on August 31, 2008. Margaret Kray holds California license 18368.
- NPI
- 1760630941NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2008
- NPI status
- Active
- Practice phone
- (925) 370-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Margaret Kray practices at Contra Costa Regional Medical Center in Martinez, California
Margaret Kray's primary practice is Contra Costa Regional Medical Center, at 2500 Alhambra Avenue, Martinez, CA 94553 in Contra Costa County. The practice phone is (925) 370-5000.
- Contra Costa Regional Medical Center2500 Alhambra Avenue, Martinez, CA 94553 · Contra Costa CountyPhone(925) 370-5000
Source: Dmand AI Affiliation Data
Margaret Kray is affiliated with 2 sites of care and 1 medical group
Margaret Kray's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California. The medical group on file is West County Adult Mental Health Services. Dmand AI also links Margaret Kray to 1 more group practice or clinic, named with a free account. Margaret Kray's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Margaret Kray's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Margaret Kray practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Contra Costa Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Margaret Kray is one of 13,532 family nurse practitioners in California
Family is Margaret Kray's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Margaret Kray is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Margaret Kray
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
Margaret Kray's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Margaret Kray's median patient age at 67, with 66% women.
Margaret Kray's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women66%
- Men33%
Source: Dmand AI Patient Panel Data
Margaret Kray wrote 1,367 Medicare Part D claims in 2024
In 2024, Margaret Kray wrote 1,367 Medicare Part D claims for 127 patients. 77% of them were for generic drugs. CMS names the drug for 1,004 of them, across 35 drugs with 11 or more claims each, at $159,253 in total drug cost.
Margaret Kray's Part D claims by kind of drug, 2024
- Generic1,054 claims77%
- Brand-name296 claims22%
- Other17 claims1%
Margaret Kray'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 Margaret Kray's Part D claims, 2024
- Opioids4%50 of 1,367 claims
- Antibiotics1%12 of 1,367 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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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Sources for Margaret Kray'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) |
| 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 Margaret Kray
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Margaret Kray's NPI number?
Margaret Kray's NPI number is 1760630941. It was assigned on August 31, 2008, and it is active in the NPI Registry.
What does Margaret Kray specialize in?
Margaret Kray is a family nurse practitioner in Martinez, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Margaret Kray practice?
Margaret Kray practices at 2500 Alhambra Avenue, Martinez, CA 94553. Margaret Kray's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California. Dmand AI also links Margaret Kray to 1 group practice or clinic.
What is Margaret Kray's office phone number?
The practice phone on file for Margaret Kray is (925) 370-5000.
What is Margaret Kray's medical license number?
Margaret Kray holds California license 18368.
Which hospitals is Margaret Kray affiliated with?
Margaret Kray practices at Contra Costa Regional Medical Center in Martinez, California.
What medical group is Margaret Kray part of?
Margaret Kray is linked to West County Adult Mental Health Services.
What drugs does Margaret Kray prescribe most?
In 2024 Medicare Part D data, Margaret Kray's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Metformin HCl.
How long has Margaret Kray been practicing?
Margaret Kray's NPI was assigned in 2008.
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