MRS. MELISSA GAINES WILSON CPNP-AC
NPI 1427873223
Nurse Practitioner in San Francisco, CA

Active since November 18, 2024PECOS EnrolledAccepts Medicare Assignment
1825 4TH ST FL 6, SAN FRANCISCO, CA 94143(415) 476-9168(415) 502-4372 Get Directions Write a Review

NPPES record last updated: December 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 8, 2025, Nov 18, 2024 (2 updates tracked since 2024).

About Mrs. Melissa Gaines Wilson Cpnp-ac NPPES

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

MRS. MELISSA GAINES WILSON CPNP-AC (NPI 1427873223) is an individual nurse practitioner in San Francisco, California, licensed in California (95025878) and active in the NPI registry since November 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of University Of California, San Francisco School Of Medicine (2023).

NPPES Registry Identity

NPI1427873223
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. MELISSA GAINES WILSONCredential: CPNP-AC
Location Address1825 4TH ST FL 6San Francisco, CA 94143-2350
Mailing Address238 Putnam StSan Francisco, CA 94110-6223 · (209) 595-9558
Fax(415) 502-4372
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2023
Enumeration DateNovember 18, 2024
Last NPPES UpdateDecember 8, 20252 updates tracked since enumeration
NPPES CertifiedDecember 8, 2025
NPI 1427873223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in CA · 95025878
Definition
(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.
Also ListedRegistered NurseTaxonomy 163W00000X · License 95112877 (CA)
1825 4TH ST FL 6, San Francisco, CA 94143

Other Names 1

Other Name (5)Melissa Emily Gaines

Secondary Practice Location 1

Location 1725 Welch RdPalo Alto, CA 94304-1601 · Phone (650) 497-8000

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. Melissa Gaines Wilson Cpnp-ac 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 ID2264969880
PECOS Enrollment IDI20241220001595
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 20

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

Physician Assistant (Surgical)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Obstetrics & Gynecology (Gynecologic Oncology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Pediatrics
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Pediatrics (Pediatric Endocrinology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Dietitian, Registered (Nutrition, Pediatric)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143

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 Melissa Wilson's NPI number?

The NPI number for Melissa Wilson is 1427873223. It was assigned to this individual provider in the NPPES registry on November 18, 2024. The provider is also known as Melissa Emily Gaines.

Where is Melissa Wilson located?

Melissa Wilson practices at 1825 4th St Fl 6, San Francisco, CA 94143. The listed phone number is (415) 476-9168.

What is Melissa Wilson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Melissa Wilson enrolled in Medicare?

Yes. Melissa Wilson 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 Melissa Wilson was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.