THOMAS MICHAEL O'MARA M.D.
NPI 1922052687
Emergency Medicine in Portland, ME

Active since May 19, 2006PECOS Enrolled
144 STATE ST, PORTLAND, ME 04101(207) 879-3265 Get Directions Write a Review

NPPES record last updated: September 3, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Thomas Michael O'mara M.d. NPPES

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

THOMAS MICHAEL O'MARA M.D. (NPI 1922052687) is an individual emergency medicine provider in Portland, Maine, licensed in Maine (018222) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922052687
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTHOMAS MICHAEL O'MARACredential: M.D.
Location Address144 STATE STPortland, ME 04101-3776
Mailing Address144 State StPortland, ME 04101-3776 · (207) 879-3265
Sole ProprietorNo
Enumeration DateMay 19, 2006
Last NPPES UpdateSeptember 3, 2009
NPI 1922052687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in ME · 018222 Licensed in MD · D58430
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.
144 STATE ST, Portland, ME 04101

Other Identifiers 5

Medicare ID-Type UnspecifiedD972MD · Individual
Medicare UPING85163MD
Medicare ID-Type UnspecifiedS806JOMD · Group
Medicaid434617699ME
Medicaid405005300MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Thomas Michael O'mara M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 3

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 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.
92 services87 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.
66 services60 patients
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.
49 services45 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04101 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
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
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.

Social Worker (Clinical)
144 STATE ST
PORTLAND, ME 04101
Internal Medicine
144 STATE ST
PORTLAND, ME 04101
Dietitian, Registered
144 STATE ST
PORTLAND, ME 04101
Internal Medicine
144 STATE ST
PORTLAND, ME 04101
Emergency Medicine
144 STATE ST
PORTLAND, ME 04101
Nurse Anesthetist, Certified Registered
144 STATE ST
PORTLAND, ME 04101
Anesthesiology
144 STATE ST, ANESTHESIA DEPARTMENT
PORTLAND, ME 04101
Physician Assistant
144 STATE ST
PORTLAND, ME 04101

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 Thomas O'mara's NPI number?

The NPI number for Thomas O'mara is 1922052687. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is Thomas O'mara located?

Thomas O'mara practices at 144 State St, Portland, ME 04101. The listed phone number is (207) 879-3265.

What is Thomas O'mara's specialty?

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

Is Thomas O'mara enrolled in Medicare?

Yes. Thomas O'mara is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thomas O'mara was last updated on September 3, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.