DR. MARY BECK O'DONNELL M.D.
NPI 1013030642
Internal Medicine in Falls Church, VA

Q: What is Mary O'donnell's NPI number?

The NPI number for Mary O'donnell is 1013030642. It was assigned to this individual provider in the NPPES registry on April 9, 2007.

Q: What is Mary O'donnell's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary O'donnell was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 April 09, 2007PECOS Enrolled

2960 SLEEPY HOLLOW RD, FALLS CHURCH, VA 22044(703) 536-2000(703) 536-4256 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Mary Beck O'donnell M.d. NPPES

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

DR. MARY BECK O'DONNELL M.D. (NPI 1013030642) is an individual internal medicine provider in Falls Church, Virginia, licensed in Virginia (0101046671) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013030642

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARY BECK O'DONNELLCredential: M.D.

Location Address2960 SLEEPY HOLLOW RDFalls Church, VA 22044-2030

Mailing Address2960 Sleepy Hollow RdFalls Church, VA 22044-2030 · (703) 536-2000 · Fax (703) 536-4256

Phone(703) 536-2000

Fax(703) 536-4256

Sole ProprietorNo

Enumeration DateApril 9, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1013030642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in VA · 0101046671

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2960 SLEEPY HOLLOW RD, Falls Church, VA 22044

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Beck O'donnell M.d. 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 Mary O'donnell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Emergency Medicine Associates P.A., P.C.

Same address

Internal Medicine

2960 SLEEPY HOLLOW RD
Falls Church, VA 22044

Reassigned Medicare billing, District of Columbia enrollment
1,150 clinicians in this Medicare group

NPI 1639034960 (703) 536-2000

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

Areas of Expertise CMS Part B claims 2

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

80 services30 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

19 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22044 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

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 17

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

MS. REBECCA TIMBO NP

Nurse Practitioner (Psychiatric/Mental Health)