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MARY DI MASI CNM
NPI 1730610304
Advanced Practice Midwife in Arlington, VA

Active since March 24, 2017PECOS Enrolled
3833 FAIRFAX DR STE 360, ARLINGTON, VA 22203(571) 970-6050(571) 970-6352 Get Directions Write a Review

NPPES record last updated: November 6, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 6, 2018, Oct 15, 2018, Mar 24, 2017 (3 updates tracked since 2017).

About Mary Di Masi Cnm NPPES

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

MARY DI MASI CNM (NPI 1730610304) is an individual advanced practice midwife in Arlington, Virginia, licensed in Maryland (AC002025) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1730610304
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameMARY DI MASICredential: CNM
Location Address3833 FAIRFAX DR STE 360Arlington, VA 22203
Mailing Address8110 Maple Lawn Blvd Ste 235Fulton, MD 20759-2694 · (301) 340-8339 · Fax (301) 340-9027
Phone(571) 970-6050
Fax(571) 970-6352
Sole ProprietorNo
Enumeration DateMarch 24, 2017
Last NPPES UpdateNovember 6, 20183 updates tracked since enumeration
✔ NPI 1730610304 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in MD · AC002025
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
3833 FAIRFAX DR STE 360, Arlington, VA 22203
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Secondary Practice Locations 2

Location 12500 Clarendon Blvd Apt 523Arlington, VA 22201-3829 · Phone (631) 320-6866
Location 23833 Fairfax Dr Ste 360Arlington, VA 22203 · Phone (571) 970-6050 · Fax (571) 970-6352

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Di Masi Cnm 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22203 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
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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 3

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

TAMARA BRIGITTE PATTERSON PA-C
Physician Assistant
3833 FAIRFAX DR STE 360
ARLINGTON, VA 22203
Arlington County (571) 363-4791
DR. RHETT AUSTIN KENT M.D.
Dermatology
3833 FAIRFAX DR STE 360
ARLINGTON, VA 22203
Arlington County (571) 363-4791
DR. REEPA R SHAH M.D.
Obstetrics & Gynecology
3833 FAIRFAX DR STE 360
ARLINGTON, VA 22203
Arlington County (571) 970-6050

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 Di Masi's NPI number?

The NPI number for Mary Di Masi is 1730610304. It was assigned to this individual provider in the NPPES registry on March 24, 2017.

Where is Mary Di Masi located?

Mary Di Masi practices at 3833 Fairfax Dr Ste 360, Arlington, VA 22203. The listed phone number is (571) 970-6050.

What is Mary Di Masi's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Mary Di Masi enrolled in Medicare?

Yes. Mary Di Masi is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Di Masi was last updated on November 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.