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Marie-Claire Leaf
NPI1144727090PAC ID8123449436
- Medicare patients, 2024
- 27
- Part D claims, 2024
- 23
- Publications
- 8
- MIPS score, 2024
- 88
- Hospital affiliations
- 2
- Practice address
- One Hoag Drive, Newport Beach, CA 92663
- Practice phone
- Call (949) 764-4624
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Marie-Claire Leaf'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.
Marie-Claire Leaf is an OB-GYN in Newport Beach, California
Marie-Claire Leaf practices at Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian.
Marie-Claire Leaf's NPI, 1144727090, was assigned on April 8, 2018. Marie-Claire Leaf holds Maryland license D93475.
NPI and contact details
- NPI
- 1144727090NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123449436
- NPI enumeration date
- April 8, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 764-4624
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marie-Claire Leaf practices at 2 locations in Newport Beach, California
Marie-Claire Leaf's primary practice is Hoag Hospital Newport Beach, at One Hoag Drive, Newport Beach, CA 92663 in Orange County. The practice phone is (949) 764-4624. Marie-Claire Leaf also practices at Hoag Hospital Newport Beach, 1 Hoag Dr, Newport Beach, CA 92663.
- Hoag Hospital Newport BeachPrimaryOne Hoag Drive, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624
- Hoag Hospital Newport Beach1 Hoag Dr, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Marie-Claire Leaf is affiliated with 2 sites of care and 1 medical group
Marie-Claire Leaf's primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian. Marie-Claire Leaf is also affiliated with UCI Health - Orange. The medical group on file is Hoag Clinic.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marie-Claire Leaf's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marie-Claire Leaf practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hoag Hospital Newport Beach | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Marie-Claire Leaf is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Marie-Claire Leaf's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Marie-Claire Leaf is licensed in Maryland.
Specialties and state licenses
- Obstetrics and gynecology, MarylandPrimary
OB-GYNs near Marie-Claire Leaf
Counts of OB-GYNs 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
Marie-Claire Leaf treated 27 Medicare patients in 2024, average age 69
CMS counts 27 Medicare patients who saw Marie-Claire Leaf in 2024. 67% of them have high cholesterol, and 56% have high blood pressure. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Marie-Claire Leaf's median patient age at 43, with 99% women.
Medicare patients, 202427
Average age69
Average risk score0.85
Chronic conditions among Marie-Claire Leaf's Medicare patients, 2024
- High cholesterol67%
- High blood pressure56%
Share of Medicare patients with each condition. A patient can have several.
Marie-Claire Leaf's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marie-Claire Leaf wrote 23 Medicare Part D claims in 2024
In 2024, Marie-Claire Leaf wrote 23 Medicare Part D claims for 12 patients. 96% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $40 in total drug cost.
Part D claims, 202423
Drugs named by CMS1
Total drug cost$40
Part D patients12
Marie-Claire Leaf's Part D claims by kind of drug, 2024
- Generic22 claims96%
- Brand-name and other1 claims4%
Marie-Claire Leaf's most prescribed drugs by claims, 2020
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
Marie-Claire Leaf scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Marie-Claire Leaf for performance year 2024, reported as part of a group. Marie-Claire Leaf accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Marie-Claire Leaf's MIPS scores, performance year 2024
- 88of 100Final score
- 84.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 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
For MedTech and pharma teams
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Marie-Claire Leaf has 8 publications on record
Dmand AI links 8 papers to Marie-Claire Leaf, published from 2019 to 2025. 2021 was the busiest year, with 3. The most frequent topics are Postoperative Complications and Gynecologic Surgical Procedures. Marie-Claire Leaf's most frequent co-authors are Mostafa Borahay, Abdelrahman Noman Mahmoud Alashqar, MD and Jill K. Alldredge, MD.
Papers8
Years published2019 to 2025
Marie-Claire Leaf's papers by year, 2019 to 2025
Topics Marie-Claire Leaf writes about most
- Postoperative Complications
- Gynecologic Surgical Procedures
Marie-Claire Leaf's most frequent co-authors
- Mostafa Borahay2 shared papers
- Abdelrahman Noman Mahmoud Alashqar, MD1 shared paper
- Jill K. Alldredge, MD1 shared paper
Recent publications by Marie-Claire Leaf
Curr Opin Obstet Gynecol
Artificial IntelligenceAugmented RealityGynecologic Surgical Procedures
J Minim Invasive Gynecol
Blood Loss, SurgicalFeasibility StudiesLaparoscopy
Am J Obstet Gynecol
Congresses as TopicGynecologic Surgical ProceduresGynecology
J Obstet Gynaecol
Abortion, InducedDilatation and CurettagePostoperative Complications
See who Marie-Claire Leaf researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Marie-Claire Leaf works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Marie-Claire Leaf received $5 in industry payments in 2025
CMS Open Payments shows 1 general payment to Marie-Claire Leaf from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Mayne Pharma Inc. paid the most, $5.
Companies that paid Marie-Claire Leaf 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 Marie-Claire Leaf'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 Affiliation DataDmand AI Practice 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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Marie-Claire Leaf
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marie-Claire Leaf's NPI number?
Marie-Claire Leaf's NPI number is 1144727090. It was assigned on April 8, 2018, and it is active in the NPI Registry.
What does Marie-Claire Leaf specialize in?
Marie-Claire Leaf is an OB-GYN in Newport Beach, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Marie-Claire Leaf practice?
Marie-Claire Leaf practices at One Hoag Drive, Newport Beach, CA 92663. Marie-Claire Leaf also practices at 1 Hoag Dr, Newport Beach, CA 92663. Marie-Claire Leaf's primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian.
What is Marie-Claire Leaf's office phone number?
The practice phone on file for Marie-Claire Leaf is (949) 764-4624.
What is Marie-Claire Leaf's medical license number?
Marie-Claire Leaf holds Maryland license D93475.
Which hospitals is Marie-Claire Leaf affiliated with?
Marie-Claire Leaf practices at Hoag Hospital Newport Beach in Newport Beach, California. Marie-Claire Leaf is also affiliated with UCI Health - Orange.
What medical group is Marie-Claire Leaf part of?
Marie-Claire Leaf is linked to Hoag Clinic.
Does Marie-Claire Leaf accept Medicare?
Yes. CMS lists Marie-Claire Leaf as accepting Medicare assignment.
What is Marie-Claire Leaf's MIPS score?
Marie-Claire Leaf's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Marie-Claire Leaf see?
CMS counts 27 Medicare patients who saw Marie-Claire Leaf in 2024, with an average age of 69.
Show 5 more questionsShow fewer questions
What drugs does Marie-Claire Leaf prescribe most?
In 2020 Medicare Part D data, Marie-Claire Leaf's most prescribed drugs by claims were Pantoprazole Sodium.
Has Marie-Claire Leaf received payments from drug or device companies?
CMS Open Payments shows $5 in general payments to Marie-Claire Leaf from 1 company from 2025 to 2025. The largest total came from Mayne Pharma Inc.
How long has Marie-Claire Leaf been practicing?
Marie-Claire Leaf graduated from medical school in 2018, 8 years ago.
Does Marie-Claire Leaf do research?
Dmand AI links 8 publications to Marie-Claire Leaf, published from 2019 to 2025.
Who does Marie-Claire Leaf publish with?
Marie-Claire Leaf's most frequent co-authors are Mostafa Borahay (2 shared papers), Abdelrahman Noman Mahmoud Alashqar, MD (1 shared paper) and Jill K. Alldredge, MD (1 shared paper).
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