MARIA ELIZABETH BULLOCK APRN, CPNP
NPI 1427220912
Nurse Practitioner in Falls Church, VA

Q: What is Maria Bullock's NPI number?

The NPI number for Maria Bullock is 1427220912. It was assigned to this individual provider in the NPPES registry on March 25, 2008.

Q: What is Maria Bullock's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Maria Bullock was last updated on October 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.

Active since March 25, 2008PECOS Enrolled

3300 GALLOWS RD, FALLS CHURCH, VA 22042(703) 776-4001(703) 776-7113 Get Directions Write a Review

NPPES record last updated: October 11, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 11, 2022, Nov 13, 2020 (2 updates tracked since 2020).

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About Maria Elizabeth Bullock Aprn, Cpnp NPPES

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

MARIA ELIZABETH BULLOCK APRN, CPNP (NPI 1427220912) is an individual nurse practitioner in Falls Church, Virginia, licensed in Virginia (0024174898) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1427220912

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMARIA ELIZABETH BULLOCKCredential: APRN, CPNP

Location Address3300 GALLOWS RDFalls Church, VA 22042-3307

Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 423-5699 · Fax (571) 423-5698

Phone(703) 776-4001

Fax(703) 776-7113

Sole ProprietorYes

Enumeration DateMarch 25, 2008

Last NPPES UpdateOctober 11, 20222 updates tracked since enumeration

NPPES CertifiedOctober 11, 2022

✔ NPI 1427220912 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

Licenses✔ Licensed in VA · 0024174898✔ Licensed in TX · 600557

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 ListedNurse Practitioner · PediatricsTaxonomy 363LP0200X · License 0024174898 (VA)

3300 GALLOWS RD, Falls Church, VA 22042

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Secondary Practice Location 1

Location 119223 Stonehue, Suite 117San Antonio, TX 78258-3456 · Phone (210) 491-0772 · Fax (210) 490-5077

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria Elizabeth Bullock Aprn, Cpnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Maria Bullock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Inova Health Care Services

Same address

Internal Medicine

3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042

Reassigned Medicare billing, District of Columbia and Virginia enrollments
Also billed through NPI 1588717755 (Virginia)
2,618 clinicians in this Medicare group

NPI 1952320061 (703) 321-2627

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22042 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

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

ALLISON ELIZABETH TWEEDIE MD

Psychiatry & Neurology (Psychiatry)