DR. MERL W O'BRIEN M.D.
NPI 1386687317
Emergency Medicine in Carmichael, CA

Active since June 14, 2006PECOS Enrolled
4156 MANZANITA AVE, SUITE 100, CARMICHAEL, CA 95608(916) 483-5400(916) 483-1937 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Merl W O'brien M.d. NPPES

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

DR. MERL W O'BRIEN M.D. (NPI 1386687317) is an individual emergency medicine provider in Carmichael, California, licensed in California (G34781) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386687317
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MERL W O'BRIENCredential: M.D.
Location Address4156 MANZANITA AVE, SUITE 100Carmichael, CA 95608-1726
Mailing Address4156 Manzanita Ave, Suite 100Carmichael, CA 95608-1726 · (916) 483-5400 · Fax (916) 483-1937
Fax(916) 483-1937
Sole ProprietorNo
Enumeration DateJune 14, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1386687317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · G34781
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.

4156 MANZANITA AVE, Carmichael, CA 95608

Other Identifiers 1

Medicare UPINA46079

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Merl W O'brien 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95608 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
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
4156 MANZANITA AVE, SUITE 100
CARMICHAEL, CA 95608
Emergency Medicine
4156 MANZANITA AVE, SUITE 100
CARMICHAEL, CA 95608
Internal Medicine
4156 MANZANITA AVE, SUITE 100
CARMICHAEL, CA 95608
Family Medicine
4156 MANZANITA AVE, STE 100
CARMICHAEL, CA 95608
Physician Assistant
4156 MANZANITA AVE
CARMICHAEL, CA 95608
Physician Assistant
4156 MANZANITA AVE
CARMICHAEL, CA 95608
Nurse Practitioner (Family)
4156 MANZANITA AVE
CARMICHAEL, CA 95608
Physician Assistant
4156 MANZANITA AVE
CARMICHAEL, CA 95608

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 Merl O'brien's NPI number?

The NPI number for Merl O'brien is 1386687317. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Merl O'brien located?

Merl O'brien practices at 4156 Manzanita Ave Suite 100, Carmichael, CA 95608. The listed phone number is (916) 483-5400.

What is Merl O'brien's specialty?

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

Is Merl O'brien enrolled in Medicare?

Yes. Merl O'brien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Merl O'brien was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.