Margaret Ann Regan-Rainey, NP
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 89
- MIPS score, 2024
- 87
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 200 Medical Plz, Los Angeles, CA 90024
- Practice phone
- Call (310) 794-9206
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Peter Morton UCLA Medical Building
Los Angeles, California
Find Margaret Regan-Rainey'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 Ann Regan-Rainey is a nurse practitioner in Los Angeles, California
Margaret Regan-Rainey practices at Peter Morton UCLA Medical Building in Los Angeles, California.
Margaret Regan-Rainey's NPI, 1831333459, was assigned on April 27, 2009. Margaret Regan-Rainey holds California license 10841.
- NPI
- 1831333459NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840422135
- NPI enumeration date
- April 27, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 794-9206
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Margaret Ann Regan-Rainey practices at Peter Morton UCLA Medical Building in Los Angeles, California
Margaret Regan-Rainey's primary practice is Peter Morton UCLA Medical Building, at 200 Medical Plz, Los Angeles, CA 90024 in Los Angeles County. The practice phone is (310) 794-9206.
- Peter Morton UCLA Medical Building200 Medical Plz, Los Angeles, CA 90024 · Los Angeles CountyPhone(310) 794-9206
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Margaret Ann Regan-Rainey is affiliated with 2 sites of care and 1 medical group
Margaret Regan-Rainey's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Margaret Regan-Rainey is also affiliated with UCLA Santa Monica Medical Center. The medical group on file is UCLA Orthopaedic Surgery.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Margaret Ann Regan-Rainey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Margaret Regan-Rainey practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Peter Morton UCLA Medical Building | 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 Ann Regan-Rainey is one of 5,983 nurse practitioners in California
Nurse practitioner is Margaret Regan-Rainey's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Margaret Regan-Rainey is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Margaret Regan-Rainey
Counts of 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 Ann Regan-Rainey treated 47 Medicare patients in 2024, average age 74
CMS counts 47 Medicare patients who saw Margaret Regan-Rainey in 2024. The largest group is 75 to 84, with 18 patients. 74% of them have high blood pressure, and 72% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Margaret Regan-Rainey's median patient age at 60, with 53% women.
Margaret Regan-Rainey's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Margaret Regan-Rainey's Medicare patients by sex, 2024
- Women2145%
- Men2655%
Chronic conditions among Margaret Regan-Rainey's Medicare patients, 2024
- High blood pressure74%
- High cholesterol72%
- Arthritis66%
- Cancer34%
- Anxiety32%
- Diabetes26%
- Ischemic heart disease26%
- Atrial fibrillation23%
Share of Medicare patients with each condition. A patient can have several.
Margaret Regan-Rainey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Margaret Ann Regan-Rainey wrote 89 Medicare Part D claims in 2024
In 2024, Margaret Regan-Rainey wrote 89 Medicare Part D claims for 47 patients. 97% of them were for generic drugs.
Margaret Regan-Rainey's Part D claims by kind of drug, 2024
- Generic86 claims97%
- Brand-name and other3 claims3%
Drug classes CMS tracks in Margaret Regan-Rainey's Part D claims, 2024
- Opioids20%18 of 89 claims
- Antibiotics20%18 of 89 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
Margaret Ann Regan-Rainey scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Margaret Regan-Rainey for performance year 2024, reported as part of a group. Margaret Regan-Rainey accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Margaret Regan-Rainey's MIPS scores, performance year 2024
- 87of 100Final score
- 80.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Margaret Ann Regan-Rainey'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 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)Clinician Public Reporting: Overall MIPS Performance (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 Ann Regan-Rainey
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 Ann Regan-Rainey's NPI number?
Margaret Ann Regan-Rainey's NPI number is 1831333459. It was assigned on April 27, 2009, and it is active in the NPI Registry.
What does Margaret Ann Regan-Rainey specialize in?
Margaret Ann Regan-Rainey is a nurse practitioner in Los Angeles, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Margaret Ann Regan-Rainey practice?
Margaret Regan-Rainey practices at 200 Medical Plz, Los Angeles, CA 90024. Margaret Regan-Rainey's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California.
What is Margaret Ann Regan-Rainey's office phone number?
The practice phone on file for Margaret Regan-Rainey is (310) 794-9206.
What is Margaret Ann Regan-Rainey's medical license number?
Margaret Regan-Rainey holds California license 10841.
Which hospitals is Margaret Ann Regan-Rainey affiliated with?
Margaret Regan-Rainey is affiliated with UCLA Santa Monica Medical Center.
What medical group is Margaret Ann Regan-Rainey part of?
Margaret Regan-Rainey is linked to UCLA Orthopaedic Surgery.
Does Margaret Ann Regan-Rainey accept Medicare?
Yes. CMS lists Margaret Regan-Rainey as accepting Medicare assignment.
What is Margaret Ann Regan-Rainey's MIPS score?
Margaret Regan-Rainey's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Margaret Ann Regan-Rainey see?
CMS counts 47 Medicare patients who saw Margaret Regan-Rainey in 2024, with an average age of 74.
How long has Margaret Ann Regan-Rainey been practicing?
Margaret Regan-Rainey graduated from medical school in 1999, 27 years ago.
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