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DR. ZACHARY ALLAN HAGEN MD
NPI 1598392284
Emergency Medicine in Baltimore, MD

Active since March 24, 2020PECOS EnrolledAccepts Medicare Assignment
110 S. PACA STREET, 6TH FLR., SUITE 200, BALTIMORE, MD 21201(804) 832-8807 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jun 7, 2023, Mar 24, 2020 (2 updates tracked since 2020).

About Dr. Zachary Allan Hagen Md NPPES

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

DR. ZACHARY ALLAN HAGEN MD (NPI 1598392284) is an individual emergency medicine provider in Baltimore, Maryland, licensed in Maryland (D97378) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Medical Center Of Florida, Inc, and maintains a secondary practice location in Vandalia.

NPPES Registry Identity

NPI1598392284
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ZACHARY ALLAN HAGENCredential: MD
Location Address110 S. PACA STREET, 6TH FLR., SUITE 200Baltimore, MD 21201
Mailing Address110 S Paca St Fl 6, Suite 200Baltimore, MD 21201-1645 · (667) 214-2208 · Fax (410) 328-8028
Phone(804) 832-8807
Sole ProprietorNo
Medical School CMSEastern Virginia Medical SchoolGraduated 2020
Enumeration DateMarch 24, 2020
Last NPPES UpdateJune 19, 20262 updates tracked since enumeration
NPPES CertifiedJune 19, 2026
✔ NPI 1598392284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in MD · D97378✔ Licensed in IL · 036173698
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
110 S. PACA STREET, 6TH FLR., SUITE 200, Baltimore, MD 21201
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Secondary Practice Location 1

Location 1650 W Taylor StVandalia, IL 62471-1227 · Phone (618) 283-1231

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida, Oscar Insurance Company.Insurance ›

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. Zachary Allan Hagen 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 ID143630137
PECOS Enrollment IDI20250827002470
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.

Areas of Expertise CMS Part B claims 5

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.
389 services381 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.
368 services355 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.
225 services213 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
76 services74 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.
72 services69 patients

Hospital Affiliations CMS Care Compare

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

Mount Sinai Medical Center Of Florida, Inc

Acute Care Hospitals · Miami Beach, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100034
Location4300 Alton RdMiami Beach, FL 33140 · Miami-Dade County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21201 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.

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 Zachary Hagen's NPI number?

The NPI number for Zachary Hagen is 1598392284. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Zachary Hagen located?

Zachary Hagen practices at 110 S. Paca Street, 6th Flr., Suite 200, Baltimore, MD 21201. The listed phone number is (804) 832-8807.

What is Zachary Hagen's specialty?

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

Is Zachary Hagen enrolled in Medicare?

Yes. Zachary Hagen 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.

What insurance does Zachary Hagen accept?

Health plans from Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Zachary Hagen 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 Zachary Hagen affiliated with any hospitals?

According to CMS data, Zachary Hagen is affiliated with Mount Sinai Medical Center Of Florida, Inc.

When was this NPI record last updated?

The NPPES record for Zachary Hagen was last updated on June 19, 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.