Marcella Elizabeth Leath, NP
Nurse Practitioner · Greenbrae, CA
Marcella Elizabeth Leath, NP is a nurse practitioner with a practice address in Greenbrae, California, and NPI 1528713054, issued on Feb 14, 2022. Check the license (California NP95026285, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marcella Elizabeth Leath
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- NP95026285 CA
R197450 MD
Self-reported in NPPES; status is on the state search - Practice location
- 250 Bon Air RD, Greenbrae, CA 94904
- Phone
- (415) 925-7592
- Enumerated
- Feb 14, 2022
- Record last updated
- Jun 24, 2026
- Medicare enrollment
- Enrolled (PECOS I20231030000175); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 250 Bon Air RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Linda Alexander, RNPsychiatric/Mental Health Registered Nurse1205589405
- Maxwell AlikinneyCounselor1538668728
Verify Marcella Elizabeth Leath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP95026285Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average nurse practitioner in 2024
57 Medicare Part D claims for 14 beneficiaries, against an average of 1,109 among the 54,319 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): 100 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).
Marcella Elizabeth Leath among 8,223 nurse practitioner records in California
Marcella Elizabeth Leath, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 77% of them.
- NPI issued2022 · 77% of these records are older, 18% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2022 · median 2017 among the 3,425 with a school on file
- Record last updated2026 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 nurse practitioner records list a practice address in Greenbrae
They are 10 of the 727 NPPES records with a practice address in Greenbrae, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Greenbrae → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Justin Biddle, NPGreenbrae, CA 949041477383859
- Alexandra Close, NPGreenbrae, CA 949041912686684
- Jennifer Donovan, FNPGreenbrae, CA 949041205587086
- Collet Easy, FNPGreenbrae, CA 949041679340350
- Jeremy Graham, RN, MSN, NP-CGreenbrae, CA 949041841552924
- Janet Miller-Melka, RNFAGreenbrae, CA 949041780677963
- Anne St John, NPGreenbrae, CA 949041275266561
- Oksana Sytova, N.P.Greenbrae, CA 949041407183858
Common questions
What is Marcella Elizabeth Leath, NP's NPI number?
Marcella Elizabeth Leath, NP's National Provider Identifier (NPI) is 1528713054, issued on Feb 14, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marcella Elizabeth Leath, NP located?
The NPPES record lists a practice address at 250 Bon Air RD, Greenbrae, CA, 94904. Phone: (415) 925-7592. Providers update this record themselves, so call before visiting.
How can I verify Marcella Elizabeth Leath, NP's license?
NPPES lists California license number NP95026285, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marcella Elizabeth Leath, NP prescribe under Medicare Part D?
In 2024, Marcella Elizabeth Leath, NP had 57 Medicare Part D claims for 14 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Marcella Elizabeth Leath, NP's MIPS final score?
The 2023 MIPS final score is 100 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.