DR. MARIA HAEJIN YOON DO
NPI 1124683370
Pediatrics in Silver Spring, MD

Q: What is Maria Yoon's NPI number?

The NPI number for Maria Yoon is 1124683370. It was assigned to this individual provider in the NPPES registry on May 2, 2019. The provider is also known as Maria Lim Do.

Q: What is Maria Yoon's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Maria Yoon was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since May 02, 2019PECOS Enrolled

12520 PROSPERITY DR STE 150, SILVER SPRING, MD 20904(301) 989-0085 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 12, 2026, Nov 1, 2019, May 2, 2019 (3 updates tracked since 2019).

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About Dr. Maria Haejin Yoon Do NPPES

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

DR. MARIA HAEJIN YOON DO (NPI 1124683370) is an individual pediatrics provider in Silver Spring, Maryland, licensed in Maryland (H0095041) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1124683370

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. MARIA HAEJIN YOONCredential: DO

Location Address12520 PROSPERITY DR STE 150Silver Spring, MD 20904-1687

Mailing Address12520 Prosperity Dr Ste 150Silver Spring, MD 20904-1687 · (301) 989-0085

Phone(301) 989-0085

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateMay 2, 2019

Last NPPES UpdateMarch 12, 20263 updates tracked since enumeration

NPPES CertifiedMarch 12, 2026

✔ NPI 1124683370 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MD · H0095041

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.

12520 PROSPERITY DR STE 150, Silver Spring, MD 20904

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Other Names 1

Former Name (1)Maria Lim Do

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Maria Haejin Yoon Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4082189329

PECOS Enrollment IDI20260406000345

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 20904 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 2

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

JULIE SUZANNE BERG MD

Pediatrics

12520 PROSPERITY DR STE 150
SILVER SPRING, MD 20904

Montgomery County (301) 989-0085

PRIVIA MEDICAL GROUP, LLC

Pediatrics

12520 PROSPERITY DR STE 150
SILVER SPRING, MD 20904

Montgomery County (301) 989-0085

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 Maria Yoon's NPI number?

The NPI number for Maria Yoon is 1124683370. It was assigned to this individual provider in the NPPES registry on May 2, 2019. The provider is also known as Maria Lim Do.

Where is Maria Yoon located?

Maria Yoon practices at 12520 Prosperity Dr Ste 150, Silver Spring, MD 20904. The listed phone number is (301) 989-0085.

What is Maria Yoon's specialty?

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

Is Maria Yoon enrolled in Medicare?

Yes. Maria Yoon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Maria Yoon was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.