DR. MICHAEL HENRY O'BRIEN MD
NPI 1437738168
Pediatrics in Washington, DC

Active since April 08, 2021PECOS EnrolledAccepts Medicare Assignment
2120 BLADENSBURG RD NE, WASHINGTON, DC 20018(202) 407-3080(202) 232-8494 Get Directions Write a Review

NPPES record last updated: June 1, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 1, 2026, Jan 2, 2026, Mar 17, 2025 and 1 more (4 updates tracked since 2021).

About Dr. Michael Henry O'brien Md NPPES

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

DR. MICHAEL HENRY O'BRIEN MD (NPI 1437738168) is an individual pediatrics provider in Washington, District Of Columbia, licensed in District Of Columbia (MD600001714) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and is a graduate of University Of South Carolina School Of Medicine, Greenville (2021).

NPPES Registry Identity

NPI1437738168
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. MICHAEL HENRY O'BRIENCredential: MD
Location Address2120 BLADENSBURG RD NEWashington, DC 20018-1440
Mailing Address4 Atlantic St SwWashington, DC 20032-2350 · (202) 470-3080 · Fax (202) 232-8494
Fax(202) 232-8494
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of Medicine, GreenvilleGraduated 2021
Enumeration DateApril 8, 2021
Last NPPES UpdateJune 1, 20264 updates tracked since enumeration
NPPES CertifiedJune 1, 2026
NPI 1437738168 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in DC · MD600001714
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
2120 BLADENSBURG RD NE, Washington, DC 20018

Other Identifiers 1

Medicaid049690656DC

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

Dr. Michael Henry O'brien Md 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 ID749658318
PECOS Enrollment IDI20260120000059
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Medstar Franklin Square Medical Center

Acute Care Hospitals · Rosedale, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210015
Location9000 Franklin Square DriveRosedale, MD 21237 · Baltimore County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20018 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.

Advanced Practice Midwife
2120 BLADENSBURG RD NE
WASHINGTON, DC 20018
Advanced Practice Midwife
2120 BLADENSBURG RD NE
WASHINGTON, DC 20018
Midwife
2120 BLADENSBURG RD NE
WASHINGTON, DC 20018
Advanced Practice Midwife
2120 BLADENSBURG RD NE
WASHINGTON, DC 20018
Marriage & Family Therapist
2120 BLADENSBURG RD NE
WASHINGTON, DC 20018
Advanced Practice Midwife
2120 BLADENSBURG RD NE
WASHINGTON, DC 20018
Advanced Practice Midwife
2120 BLADENSBURG RD NE
WASHINGTON, DC 20018
Advanced Practice Midwife
2120 BLADENSBURG RD NE
WASHINGTON, DC 20018

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 Michael O'brien's NPI number?

The NPI number for Michael O'brien is 1437738168. It was assigned to this individual provider in the NPPES registry on April 8, 2021.

Where is Michael O'brien located?

Michael O'brien practices at 2120 Bladensburg Rd NE, Washington, DC 20018. The listed phone number is (202) 407-3080.

What is Michael O'brien's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Michael O'brien enrolled in Medicare?

Yes. Michael O'brien 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.

Is Michael O'brien affiliated with any hospitals?

According to CMS data, Michael O'brien is affiliated with Medstar Franklin Square Medical Center.

When was this NPI record last updated?

The NPPES record for Michael O'brien was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.