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DOROTHY YIM
NPI 1003565235
Emergency Medicine in Baltimore, MD

Active since March 23, 2022PECOS Enrolled
1830 E MONUMENT ST STE 6-100, BALTIMORE, MD 21287(410) 955-5107 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dorothy Yim NPPES

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

DOROTHY YIM (NPI 1003565235) is an individual emergency medicine provider in Baltimore, Maryland, licensed in Maryland (D0107543) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Greater Baltimore Medical Center, and is a graduate of Wayne State University School Of Medicine (2022).

NPPES Registry Identity

NPI1003565235
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDOROTHY YIM
Location Address1830 E MONUMENT ST STE 6-100Baltimore, MD 21287-0020
Mailing Address27720 Stephenson Hwy Apt 112Madison Heights, MI 48071-3154 · (626) 715-1260
Phone(410) 955-5107
Sole ProprietorYes
Medical School CMSWayne State University School Of MedicineGraduated 2022
Enumeration DateMarch 23, 2022
Last NPPES UpdateJuly 7, 2026
NPPES CertifiedJuly 7, 2026
✔ NPI 1003565235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MD · D0107543
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1830 E MONUMENT ST STE 6-100, Baltimore, MD 21287
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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)

Dorothy Yim is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4587042106
PECOS Enrollment IDI20260717004123
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 Dorothy Yim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cep America LLC
4.7 mi
Emergency Medicine
900 CATON AVE
Baltimore, MD 21229
  • Reassigned Medicare billing, Maryland enrollment
  • 86 clinicians in this Medicare group
NPI 1821434002 (410) 368-6000

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

Hospital Affiliations CMS Care Compare

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

Greater Baltimore Medical Center

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210044
Location6701 North Charles StreetBaltimore, MD 21204 · Baltimore County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

AUDREY REBECCA MCMURTRIE MEDICAL STUDENT
Student in an Organized Health Care Education/Training Program
1830 E MONUMENT ST STE 6-100
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
CHRISTINE WEI
Student in an Organized Health Care Education/Training Program
1830 E MONUMENT ST STE 6-100
BALTIMORE, MD 21287
Baltimore City (610) 675-9354
GENEVIEVE MARIA PALMER DO
Student in an Organized Health Care Education/Training Program
1830 E MONUMENT ST STE 6-100
BALTIMORE, MD 21287
Baltimore City (410) 955-5107
GHASSAN BOU SABA MD
Student in an Organized Health Care Education/Training Program
1830 E MONUMENT ST STE 6-100
BALTIMORE, MD 21287
Baltimore City (202) 489-6605
AUSTIN MICHAEL DREWEK
Student in an Organized Health Care Education/Training Program
1830 E MONUMENT ST STE 6-100
BALTIMORE, MD 21287
Baltimore City (410) 955-5107
BLISS ROGERS
Emergency Medicine
1830 E MONUMENT ST STE 6-100
BALTIMORE, MD 21287
Baltimore City (410) 808-3890
LAUREN GARD MPH
Student in an Organized Health Care Education/Training Program
1830 E MONUMENT ST STE 6-100
BALTIMORE, MD 21287
Baltimore City (503) 703-4345
THOMAS TIGER HUANG
Student in an Organized Health Care Education/Training Program
1830 E MONUMENT ST STE 6-100
BALTIMORE, MD 21287
Baltimore City (859) 608-7764

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 Dorothy Yim's NPI number?

The NPI number for Dorothy Yim is 1003565235. It was assigned to this individual provider in the NPPES registry on March 23, 2022.

Where is Dorothy Yim located?

Dorothy Yim practices at 1830 E Monument St Ste 6-100, Baltimore, MD 21287. The listed phone number is (410) 955-5107.

What is Dorothy Yim's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Dorothy Yim enrolled in Medicare?

Yes. Dorothy Yim is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dorothy Yim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dorothy Yim reassigns Medicare benefits to Cep America LLC (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dorothy Yim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Dorothy Yim affiliated with any hospitals?

According to CMS data, Dorothy Yim is affiliated with Greater Baltimore Medical Center.

When was this NPI record last updated?

The NPPES record for Dorothy Yim was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.