WILLIAM MARK ALLEN M.D.
NPI 1821060369
Emergency Medicine in Middletown, CT

Active since February 07, 2006PECOS EnrolledAccepts Medicare Assignment
28 CRESCENT ST, MIDDLETOWN, CT 06457(860) 344-6394(860) 344-6748 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William Mark Allen M.d. NPPES

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

WILLIAM MARK ALLEN M.D. (NPI 1821060369) is an individual emergency medicine provider in Middletown, Connecticut, licensed in Connecticut (034661) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist West Hospital, and is a graduate of University Of Texas Medical School At Houston (1992).

NPPES Registry Identity

NPI1821060369
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameWILLIAM MARK ALLENCredential: M.D.
Location Address28 CRESCENT STMiddletown, CT 06457-3654
Mailing Address28 Crescent StMiddletown, CT 06457-3654 · (860) 344-6394 · Fax (860) 344-6748
Fax(860) 344-6748
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1992
Enumeration DateFebruary 7, 2006
Last NPPES UpdateJuly 9, 2007
NPI 1821060369 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CT · 034661
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.
28 CRESCENT ST, Middletown, CT 06457

Other Identifiers 1

Medicare UPING 15523CT

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

William Mark Allen M.d. 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 ID9234186776
PECOS Enrollment IDI20170914000706
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 4

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.
113 services109 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.
93 services88 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.
54 services53 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.
41 services40 patients

Hospital Affiliations CMS Care Compare

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

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670077
Location18500 Katy FreewayHouston, TX 77094 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06457 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

Preventive Medicine (Occupational Medicine)
28 CRESCENT ST
MIDDLETOWN, CT 06457
Emergency Medicine
28 CRESCENT ST
MIDDLETOWN, CT 06457
Internal Medicine
28 CRESCENT ST
MIDDLETOWN, CT 06457
Emergency Medicine
28 CRESCENT ST, MIDDLESEX HOSPITAL EMERGENCY DEPARTMENT
MIDDLETOWN, CT 06457
Pediatrics
28 CRESCENT ST
MIDDLETOWN, CT 06457
Hospitalist
28 CRESCENT ST
MIDDLETOWN, CT 06457
Radiology (Diagnostic Radiology)
28 CRESCENT ST
MIDDLETOWN, CT 06457
Psychiatry & Neurology (Psychiatry)
28 CRESCENT ST
MIDDLETOWN, CT 06457

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 William Allen's NPI number?

The NPI number for William Allen is 1821060369. It was assigned to this individual provider in the NPPES registry on February 7, 2006.

Where is William Allen located?

William Allen practices at 28 Crescent St, Middletown, CT 06457. The listed phone number is (860) 344-6394.

What is William Allen's specialty?

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

Is William Allen enrolled in Medicare?

Yes. William Allen 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 William Allen accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company, Sendero Health Plans, Local Nonprofit and UnitedHealthcare list William Allen 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 William Allen affiliated with any hospitals?

According to CMS data, William Allen is affiliated with Houston Methodist West Hospital.

When was this NPI record last updated?

The NPPES record for William Allen was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.