WILLIAM CHARLES O'CALLAHAN MD NPI 1114964186

NPI Details

William Charles O'callahan, MD is an emergency medicine in Holden, MA with 35 years of experience. The provider is 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. William Charles O'callahan, MD NPI is 1114964186. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduation Year:1990

The provider's business location address is:

5 SHREWSBURY ST STE D
HOLDEN, MA
ZIP 01520-960
Phone: (508) 829-3800
Fax: (508) 829-3802

The NPI 1114964186 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

• Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
• New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
• Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b (HCPCS:87636)
• Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
• New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
• X-ray of chest, 2 views (HCPCS:71046)
• Automated urinalysis test (HCPCS:81003)
• Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus (HCPCS:87637)
• Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique (HCPCS:87651)

The enumeration date for this NPI number is 5/31/2006 and was last updated on 1/21/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available: