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MRS. EMILIENNE YOUMBI WATONSI MSN, FNP, CCRN
NPI 1386913754
Nurse Practitioner - Gerontology in Loma Linda, CA

Active since December 14, 2011PECOS EnrolledAccepts Medicare Assignment
85.18/100
CMS Quality Rating
24785 STEWART ST # 111, LOMA LINDA, CA 92350(909) 558-4594 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mrs. Emilienne Youmbi Watonsi Msn, Fnp, Ccrn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. EMILIENNE YOUMBI WATONSI MSN, FNP, CCRN (NPI 1386913754) is an individual gerontology provider in Loma Linda, California, licensed in California (NP95014314) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1386913754
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameMRS. EMILIENNE YOUMBI WATONSICredential: MSN, FNP, CCRN
Location Address24785 STEWART ST # 111Loma Linda, CA 92350-1721
Mailing Address24785 Stewart StLoma Linda, CA 92350-1721 · (909) 558-4594 · Fax (909) 558-0433
Phone(909) 558-4594
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateDecember 14, 2011
Last NPPES UpdateJanuary 7, 2026
NPPES CertifiedJanuary 7, 2026
✔ NPI 1386913754 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in CA · NP95014314
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 4141 (SC), NP95014314 (CA)
24785 STEWART ST # 111, Loma Linda, CA 92350
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Emilienne Youmbi Watonsi Msn, Fnp, Ccrn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012331689
PECOS Enrollment IDI20200716001055
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
45 services34 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
31 services31 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
28 services19 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
27 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92350 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.81
Promoting Interoperability82
Improvement Activities40
Cost64.54

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CATHERINE WINTER MD
Preventive Medicine (Public Health & General Preventive Medicine)
24785 STEWART ST # 111
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4594

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Emilienne Watonsi's NPI number?

The NPI number for Emilienne Watonsi is 1386913754. It was assigned to this individual provider in the NPPES registry on December 14, 2011.

Where is Emilienne Watonsi located?

Emilienne Watonsi practices at 24785 Stewart St # 111, Loma Linda, CA 92350. The listed phone number is (909) 558-4594.

What is Emilienne Watonsi's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Emilienne Watonsi enrolled in Medicare?

Yes. Emilienne Watonsi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Emilienne Watonsi was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.