Sarah Constance Leaf, M.D.
Emergency Medicine Physician · Moreno Valley, CA
Sarah Constance Leaf, M.D. is an emergency medicine physician with a practice address in Moreno Valley, California, and NPI 1487064861, issued on May 6, 2014. Check the license (California A139249, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sarah Constance Leaf
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A139249 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26520 Cactus Ave, Moreno Valley, CA 92555
- Phone
- (909) 558-4000
- Enumerated
- May 6, 2014
- Record last updated
- Sep 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20160804002389); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 26520 Cactus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sana Afroz, MDRheumatology Physician1356724074
- Georgina Aguilar-Portillo, MDFamily Medicine Physician1144804691
- Adolfo Aguilera, MDFamily Medicine Physician1477609808
Verify Sarah Constance Leaf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A139249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average emergency medicine physician in 2024
63 Medicare Part D claims for 45 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 61.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cep America - CaliforniaMoreno Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Constance Leaf among 7,751 emergency medicine physician records in California
Sarah Constance Leaf, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2011 among the 4,560 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 emergency medicine physician records list a practice address in Moreno Valley
They are 37 of the 2,698 NPPES records with a practice address in Moreno Valley, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Moreno Valley → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Samnuel Chua, M.D.Moreno Valley, CA 925551699880724
- VI Dinh, M.D.Moreno Valley, CA 925551699919647
- Radu Dudas, M.D.Moreno Valley, CA 925551629318241
- Robin Fisher, DOMoreno Valley, CA 925551295875185
- Victor Levine, M.D.Moreno Valley, CA 925551386786374
- John Naftel, M.D.Moreno Valley, CA 925551124133293
- Timothy Nesper, M.D.Moreno Valley, CA 925551629183710
- Humberto Ochoa, M.D.Moreno Valley, CA 925551770698862
Common questions
What is Sarah Constance Leaf, M.D.'s NPI number?
Sarah Constance Leaf, M.D.'s National Provider Identifier (NPI) is 1487064861, issued on May 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Constance Leaf, M.D. located?
The NPPES record lists a practice address at 26520 Cactus Ave, Moreno Valley, CA, 92555. Phone: (909) 558-4000. Providers update this record themselves, so call before visiting.
How can I verify Sarah Constance Leaf, M.D.'s license?
NPPES lists California license number A139249, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sarah Constance Leaf, M.D. prescribe under Medicare Part D?
In 2024, Sarah Constance Leaf, M.D. had 63 Medicare Part D claims for 45 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Sarah Constance Leaf, M.D.'s MIPS final score?
The 2023 MIPS final score is 61.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.