1. Home
  2. Directory
  3. Maryland
  4. Baltimore
  5. Emergency Medicine
  6. NPI Profile

AARON STERN MD
NPI 1417452129
Emergency Medicine in Baltimore, MD

Active since March 26, 2018PECOS EnrolledAccepts Medicare Assignment
1830 E MONUMENT ST STE 6-100, BALTIMORE, MD 21287(410) 955-3380 Get Directions Write a Review

NPPES record last updated: May 29, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 29, 2021, Mar 26, 2018 (2 updates tracked since 2018).

About Aaron Stern Md NPPES

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

AARON STERN MD (NPI 1417452129) is an individual emergency medicine provider in Baltimore, Maryland, licensed in Maryland (D91184) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and is a graduate of Icahn School Of Medicine At Mount Sinai (2018).

NPPES Registry Identity

NPI1417452129
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameAARON STERNCredential: MD
Location Address1830 E MONUMENT ST STE 6-100Baltimore, MD 21287-0020
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-6423
Phone(410) 955-3380
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 2018
Enumeration DateMarch 26, 2018
Last NPPES UpdateMay 29, 20212 updates tracked since enumeration
NPPES CertifiedMay 29, 2021
✔ NPI 1417452129 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 · D91184
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
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aaron Stern 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 ID7517215528
PECOS Enrollment IDI20220629001459
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 Reassignments

4

Medicare enrollment records show Aaron Stern reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bid-Milton Physician Associates Inc
354 mi
Behavior Analyst
100 HIGHLAND ST STE 126
Milton, MA 02186
  • Reassigned Medicare billing, Massachusetts enrollment
  • 177 clinicians in this Medicare group
NPI 1184312738 (617) 313-1440
Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is
356 mi
Multi-Specialty
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1952358533 (Massachusetts)
  • 1,006 clinicians in this Medicare group
NPI 1861216038 (617) 667-2906
Beth Israel Deaconess Medical Center, Inc.
356 mi
General Acute Care Hospital
330 BROOKLINE AVE, ST 207
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,477 clinicians in this Medicare group
NPI 1548202641 (617) 667-1961
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
356 mi
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1316987993 (Massachusetts)
  • 2,579 clinicians in this Medicare group
NPI 1194765438 (617) 754-9600

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 8

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
440 services426 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
368 services329 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
118 services117 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
99 services97 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
37 services37 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
32 services32 patients

Hospital Affiliations CMS Care Compare 2

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

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Milton

Acute Care Hospitals · Milton, MA
4/5 CMS rating
OwnershipGovernment - Federal
CMS Certification Number220108
Location199 Reedsdale RoadMilton, MA 02186 · Norfolk County
Emergency services

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.

DOROTHY YIM
Emergency Medicine
1830 E MONUMENT ST STE 6-100
BALTIMORE, MD 21287
Baltimore City (410) 955-5107
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

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 Aaron Stern's NPI number?

The NPI number for Aaron Stern is 1417452129. It was assigned to this individual provider in the NPPES registry on March 26, 2018.

Where is Aaron Stern located?

Aaron Stern practices at 1830 E Monument St Ste 6-100, Baltimore, MD 21287. The listed phone number is (410) 955-3380.

What is Aaron Stern's specialty?

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

Is Aaron Stern enrolled in Medicare?

Yes. Aaron Stern 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.

Which organizations bill Medicare for Aaron Stern's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Stern reassigns Medicare benefits to 4 organizations: Bid-Milton Physician Associates Inc (Milton, MA), Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). Each 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 Aaron Stern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Stern accept?

Health plans from Taro Health list Aaron Stern as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Aaron Stern affiliated with any hospitals?

According to CMS data, Aaron Stern is affiliated with Beth Israel Deaconess Medical Center and Beth Israel Deaconess Hospital - Milton.

When was this NPI record last updated?

The NPPES record for Aaron Stern was last updated on May 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.