Aaron Stern, MD
NPI 1417452129 · Emergency Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Stern, MD is a Emergency Medicine Physician provider in Baltimore, MD (NPI 1417452129).
Provider details
- NPI number
- 1417452129
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D91184 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,119 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 440 | $178 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 368 | $8 |
| Critical Care, First 30-74 Minutes99291 | 118 | $220 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 99 | $123 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $139 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 23 | 23 |
| Prednisone | 18 | 18 |
| Ondansetronbrand: Ondansetron Odt | 17 | 17 |
| Cefpodoxime Proxetil | 17 | 16 |
| Oxycodone Hcl | 16 | 16 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 15 |
| Cephalexin | 12 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-26
- Last updated
- 2021-05-29
- Certified
- 2021-05-29
Frequently asked questions
- What is Aaron Stern's NPI number?
- Aaron Stern's National Provider Identifier (NPI) is 1417452129, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Stern's specialty?
- Aaron Stern is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Stern located?
- Aaron Stern's practice location on file with NPPES is 1830 E Monument St Ste 6-100, Baltimore, MD 21287-0020.
- What is Aaron Stern's phone number?
- The practice phone number listed in the NPPES registry for Aaron Stern is (410) 955-3380.
- Does Aaron Stern accept Medicare?
- Aaron Stern is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Stern's NPI active?
- Yes — Aaron Stern's NPI (1417452129) is active in the NPPES registry as of the last update on 2021-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.