Dr. Alexander Blau , DO
Emergency Medicine β’ Newark, DE
4755 Ogletown Stanton Rd
Newark, DE 197182200
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
4755 Ogletown Stanton Rd
Newark, DE 197182200
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 3 distinct additional practice-address records in Elkton, MD; Middletown, DE; Wilmington, DE. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
CMS Doctors and Clinicians lists 2 distinct group names: Christiana Care Emergency Physicians Llc; Christiana Care Health Services Inc. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
Philadelphia College Of Osteopathic Medicine
2017
What Public CMS Data Show
Emergency Medicine: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
Years since graduation
9 years (graduated 2017)
CMS Doctors and Clinicians data list 2017 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2017
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Blau has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Blau as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Newark and Delaware
142 active clinicians are listed under Emergency Medicine with a practice address in Newark, DE (243 in Delaware).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Newark
0.7% of these 142 clinicians have the CMS telehealth indicator.
50.7% of these 142 clinicians are listed by CMS as accepting Medicare assignment.
Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2026-07-30NUCC Taxonomy Code: 207P00000X
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.
NUCC Taxonomy Code: 207P00000X
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.
NUCC Taxonomy Code: 207PE0004X
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
NUCC Taxonomy Code: 207PE0004X
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
NUCC Taxonomy Code: 207PE0004X
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - EMERGENCY MEDICINE
I20251128000756
MD
1951673797
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Christiana Care Health Services Inc
4755 Ogletown Stanton Rd, Newark, DE 197182200
Phone: 3028383088
Christiana Care Emergency Physicians Llc
621 Middletown Odessa Rd, Middletown, DE 197099602
Phone: 3022031300
Christiana Care Emergency Physicians Llc
106 Bow St, Elkton, MD 219215544
Phone: 4103984000
Secondary Practice Locations
621 Middletown Odessa Rd
Middletown, DE 197099602
Phone: 3022031300
501 W 14th St
Wilmington, DE 198011013
Phone: 3023204182
106 Bow St
Elkton, MD 219215544
Phone: 4103984000
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Internal Medicine - Cardiovascular Disease
Emergency Medicine
Doctor of Medicine (M.D.)
Hospitalist
Doctor of Osteopathic Medicine (D.O.)
Internal Medicine
Doctor of Medicine (M.D.)
Emergency Medicine
Doctor of Medicine (M.D.)
Emergency Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Emergency Medicine (license number reported to NPPES: DE C2-0024675)
Emergency Medicine (license number reported to NPPES: DE C2-0024675)
Registered at 4755 OGLETOWN STANTON RD, NEWARK, DE 197182200 (Tel: 3027331000)
Registered at 4755 OGLETOWN STANTON RD, NEWARK, DE 197182200 (Tel: 3027331000)
Registered at 1751 MORRIS STREET, COMNAVSURFLANT - MEDICAL READINESS DIVISION, NORFOLK, VA 23511 (Tel: 7574441911)
Registered at USS KEARSARGE - LHD 3, UNIT 100284, FPO, AE 09534 (Tel: 7574443604)
Registered at UNIT 100284 BOX 611, USS KEARSARGE (LHD-3), FPO, AE 095348406 (Tel: 7574443704)
Recorded as ALEXANDER BLAU, DO
General Practice (license number reported to NPPES: VA 0102205348)
NPI status registered as active in NPPES database
Registered at 620 JOHN PAUL JONES CIR, NAVAL MEDICAL CENTER PORTSMOUTH, PORTSMOUTH, VA 237082111 (Tel: 7579530669)
Registered at 620 JOHN PAUL JONES CIR, NAVAL MEDICAL CENTER PORTSMOUTH, PORTSMOUTH, VA 237082111 (Tel: 7579530669)
Recorded as ALEXANDER BLAU
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Emergency Medicine Providers in Newark
- Eric Lieu
- Dr. Emily Granitto, MD
- Dr. Jonathan Hilton, MD
- Dr. Arayel Osborne, MD
- Dr. Jason Nomura, MD
- Dr. Daniel Depietropaolo, MD
Mailing Address
4755 Ogletown Stanton Rd
Newark, DE 197182200
Phone: 3027331000