Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1528713054 Individual Practitioner Female Practitioner

Marcella Elizabeth Leath , NP

Nurse Practitioner • Greenbrae, CA

Professional Overview & Biography Verified Profile Summary

Marcella Leath, NP is a certified Nurse Practitioner practicing in Greenbrae, CA. With approximately 4 years of clinical experience since completing medical education in 2022, Marcella Leath delivers high-quality medical care to the local community at 250 BON AIR RD.

Marcella Leath does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include critical care, first, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

250 Bon Air Rd

Greenbrae, CA 949041702

Telephone 4159257592
Associated Practice Facility / Clinic
🏢 Marin Community Clinic Facility NPI 1124021738

Medicare Profile & Education

Medical School

Other

Graduation Year

2022

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Greenbrae, CA

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
4 Yrs +0.5 yrs vs City Avg
City Avg: 3.5 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
10 Specialists

Practicing in Greenbrae, CA (8378 Statewide)

Telehealth Adoption Rate
20.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
87.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Leath (4 Years) 4 Yrs
Greenbrae Specialty Average (3.5 Years) 3.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99291 Critical care, first 30-74 minutes
32 17 $1545.56 $195.73

Medical Specialties & State Licenses

CMS Verified: 2026-06-24
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License CA NP95026285

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License MD R197450

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Secondary Practice Locations

300 Pasteur Dr

Stanford, CA 943052200

Phone: 6507234000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

4 Associated Practitioners
NPI 1043714926

Doctor of Medicine (M.D.)

Dr. Henry Pollack , MD

Emergency Medicine - Pediatric Emergency Medicine

NPI 1356357388

Doctor of Medicine (M.D.)

NPI 1508922139

Doctor of Medicine (M.D.)

NPI 1922742519

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events
📍
Updated Practice Location June 24, 2026

Registered at 250 BON AIR RD, GREENBRAE, CA 949041702 (Tel: 4159257592)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 24, 2026

Nurse Practitioner (License #NP95026285 in CA)

📍
Updated Practice Location November 12, 2024

Registered at 300 PASTEUR DR, STANFORD, CA 943052200 (Tel: 6507234000)

📍
Updated Business Mailing Address November 12, 2024

Registered at 300 PASTEUR DR, STANFORD, CA 943052200 (Tel: 6507234000)

📍
Updated Practice Location October 23, 2022

Registered at 22 S GREENE ST, BALTIMORE, MD 212011544 (Tel: 1043281450)

📍
Updated Business Mailing Address October 23, 2022

Registered at 22 S GREENE ST, BALTIMORE, MD 212011544 (Tel: 4103287008)

👤
Provider Name / Credentials Updated October 23, 2022

Recorded as MARCELLA LEATH, NP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 23, 2022

Nurse Practitioner (License #R197450 in MD)

NPI Profile Active February 14, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location February 14, 2022

Registered at 929 SAINT PAUL ST, BALTIMORE, MD 212022432 (Tel: 4438440964)

📍
Updated Business Mailing Address February 14, 2022

Registered at 929 SAINT PAUL ST, BALTIMORE, MD 212022432 (Tel: 4438440964)

👤
Provider Name / Credentials Updated February 14, 2022

Recorded as MARCELLA LEATH

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 14, 2022

Registered Nurse (License #R197450 in MD)

🟢
Initial NPI Registration & Enumeration February 14, 2022

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1528713054
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 14, 2022
Last Update: June 24, 2026
Sole Proprietor: No

Mailing Address

300 Pasteur Dr

Stanford, CA 943052200

Phone: 6507234000

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.