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MRS. MARY ELIZABETH O'BOYLE WILLIS FNP
NPI 1003035148
Nurse Practitioner - Family in Richmond, VA

Active since April 25, 2007PECOS EnrolledAccepts Medicare Assignment
1250 E MARSHALL ST, DEPARTMENT OF PEDIATRICS, RICHMOND, VA 23298(804) 628-0189(804) 828-6301 Get Directions Write a Review

NPPES record last updated: February 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Mary Elizabeth O'boyle Willis Fnp NPPES

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

MRS. MARY ELIZABETH O'BOYLE WILLIS FNP (NPI 1003035148) is an individual family provider in Richmond, Virginia, licensed in California (95014800) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in South San Francisco, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1003035148
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. MARY ELIZABETH O'BOYLE WILLISCredential: FNP
Location Address1250 E MARSHALL ST, DEPARTMENT OF PEDIATRICSRichmond, VA 23298-5051
Mailing AddressPo Box 91734Richmond, VA 23291-1734 · (804) 358-6100 · Fax (804) 342-7619
Phone(804) 628-0189
Fax(804) 828-6301
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateApril 25, 2007
Last NPPES UpdateFebruary 13, 2026
NPPES CertifiedFebruary 13, 2026
✔ NPI 1003035148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in CA · 95014800✔ Licensed in VA · 0024167014
1250 E MARSHALL ST, Richmond, VA 23298
Open in Google Maps ↗

Secondary Practice Location 1

Location 1611 Gateway Blvd Ste 120South San Francisco, CA 94080-7066 · Phone (650) 761-4056

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. Mary Elizabeth O'boyle Willis Fnp 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 ID6709953516
PECOS Enrollment IDI20250814003732, I20251029001956
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 23298 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
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

NEVIN YILMAZ MD
Student in an Organized Health Care Education/Training Program
1250 E MARSHALL ST
RICHMOND, VA 23298
Richmond City (804) 828-9783
MS. RENEE D SEAMAN NP
Nurse Practitioner (Family)
1250 E MARSHALL ST, GENERAL MEDICINE
RICHMOND, VA 23298
Richmond City (804) 828-3144
DR. AIMEE COLLINS MD
Internal Medicine
1250 E MARSHALL ST, INTERNAL MEDICINE
RICHMOND, VA 23298
Richmond City (804) 828-3144
DR. AMY SAMANTHA MAY PAUL M.D.
Internal Medicine (Geriatric Medicine)
1250 E MARSHALL ST, DEPT. OF INTERNAL MEDICINE/GERIATRIC MEDICINE
RICHMOND, VA 23298
Richmond City (804) 254-3500
MRS. ERICA STOREY CLINE PA-C
Physician Assistant
1250 E MARSHALL ST, EMERGENCY MEDICINE
RICHMOND, VA 23298
Richmond City (804) 828-0996
CYNTHIA CHENAULT AGACNP
Nurse Practitioner (Acute Care)
1250 E MARSHALL ST
RICHMOND, VA 23298
Richmond City (804) 628-3646
DR. TAYLOR LATIA ROACH MD
Student in an Organized Health Care Education/Training Program
1250 E MARSHALL ST
RICHMOND, VA 23298
Richmond City (804) 628-7497
DANIEL POEHAILOS
Student in an Organized Health Care Education/Training Program
1250 E MARSHALL ST
RICHMOND, VA 23298
Richmond City (804) 828-9000

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 Mary Elizabeth Willis's NPI number?

The NPI number for Mary Elizabeth Willis is 1003035148. It was assigned to this individual provider in the NPPES registry on April 25, 2007.

Where is Mary Elizabeth Willis located?

Mary Elizabeth Willis practices at 1250 E Marshall St Department Of Pediatrics, Richmond, VA 23298. The listed phone number is (804) 628-0189.

What is Mary Elizabeth Willis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mary Elizabeth Willis enrolled in Medicare?

Yes. Mary Elizabeth Willis 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 Mary Elizabeth Willis was last updated on February 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.