Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ALEXANDER BLAU DO
NPI 1154860237
Emergency Medicine in Newark, DE

Active since February 22, 2017PECOS EnrolledAccepts Medicare Assignment
4755 OGLETOWN STANTON RD, NEWARK, DE 19718(302) 733-1000 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 30, 2026, Jun 25, 2025, Apr 5, 2025 and 3 more (6 updates tracked since 2017).

About Dr. Alexander Blau Do NPPES

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

DR. ALEXANDER BLAU DO (NPI 1154860237) is an individual emergency medicine provider in Newark, Delaware, licensed in Delaware (C2-0024675) and active in the NPI registry since February 2017. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Of Cecil County, and is a graduate of Philadelphia College Of Osteopathic Medicine (2017).

NPPES Registry Identity

NPI1154860237
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ALEXANDER BLAUCredential: DO
Location Address4755 OGLETOWN STANTON RDNewark, DE 19718-2200
Mailing Address4755 Ogletown Stanton RdNewark, DE 19718-2200 · (302) 733-1000
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2017
Enumeration DateFebruary 22, 2017
Last NPPES UpdateJuly 30, 20266 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
NPI 1154860237 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 DE · C2-0024675 Licensed in MD · H0102940
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 ListedEmergency Medicine · Emergency Medical ServicesTaxonomy 207PE0004X · License H0102940 (MD), OS026130 (PA), C2-0024675 (DE)
4755 OGLETOWN STANTON RD, Newark, DE 19718

Accepted 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. Alexander Blau Do 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 ID1951673797
PECOS Enrollment IDI20250722001511, I20251128000756
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.

Hospital Affiliations CMS Care Compare

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

Union Hospital Of Cecil County

Acute Care Hospitals · Elkton, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210032
Location106 Bow StreetElkton, MD 21921 · Cecil County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19718 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
$88.37 typical visit price
range $57.12 – $173.08
Typical copayment $22.09 (range $14.28 – $43.27)
Most-billed visit code 99203
Established Patient
$100.68 typical visit price
range $18.36 – $141.05
Typical copayment $25.17 (range $4.59 – $35.26)
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.

Physician Assistant (Medical)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Practitioner
4755 OGLETOWN STANTON RD, ROOM E1070 CENTER FOR HEART & VASCULAR HEALTH AT CHRIST
NEWARK, DE 19718
Emergency Medicine
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Internal Medicine (Cardiovascular Disease)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Practitioner (Acute Care)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Student in an Organized Health Care Education/Training Program
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Anesthetist, Certified Registered
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Anesthetist, Certified Registered
4755 OGLETOWN STANTON RD
NEWARK, DE 19718

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 Alexander Blau's NPI number?

The NPI number for Alexander Blau is 1154860237. It was assigned to this individual provider in the NPPES registry on February 22, 2017.

Where is Alexander Blau located?

Alexander Blau practices at 4755 Ogletown Stanton Rd, Newark, DE 19718. The listed phone number is (302) 733-1000.

What is Alexander Blau's specialty?

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

Is Alexander Blau enrolled in Medicare?

Yes. Alexander Blau 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 Alexander Blau accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan list Alexander Blau 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 Alexander Blau affiliated with any hospitals?

According to CMS data, Alexander Blau is affiliated with Union Hospital Of Cecil County.

When was this NPI record last updated?

The NPPES record for Alexander Blau was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.