MICHAEL O'BRIEN DO
NPI 1043343056
Internal Medicine in North Conway, NH
About Michael O'brien Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL O'BRIEN DO (NPI 1043343056) is an individual internal medicine provider in North Conway, New Hampshire, licensed in New Hampshire (17075) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in New London.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Michael O'brien Do 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.
Medicare Billing Reassignment
Medicare enrollment records show Michael O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
North Conway, NH 03860
- Reassigned Medicare billing, New Hampshire enrollment
- 173 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MEMemorial Hospital, The
Critical Access Hospitals · North Conway, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03860 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NORTH CONWAY, NH 03860
NORTH CONWAY, NH 03860
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 Michael O'brien's NPI number?
The NPI number for Michael O'brien is 1043343056. It was assigned to this individual provider in the NPPES registry on March 13, 2007.
Where is Michael O'brien located?
Michael O'brien practices at 3073 White Mountain Hwy, North Conway, NH 03860. The listed phone number is (603) 356-5472.
What is Michael O'brien's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael O'brien enrolled in Medicare?
Yes. Michael O'brien 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.
Which organization bills Medicare for Michael O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael O'brien reassigns Medicare benefits to The Memorial Hospital (North Conway, NH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael O'brien accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Michael O'brien 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 Michael O'brien affiliated with any hospitals?
According to CMS data, Michael O'brien is affiliated with Maine Medical Center and Memorial Hospital, The.
When was this NPI record last updated?
The NPPES record for Michael O'brien was last updated on January 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Michael O'brien, DO · NPI 1043343056
Internal Medicine physician in North Conway, New Hampshire. Individual provider, active in the CMS NPPES registry since March 13, 2007.
## Identity
- **NPI:** 1043343056 (Entity type: Individual)
- **Enumerated:** March 13, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 17075 (New Hampshire)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3073 WHITE MOUNTAIN HWY, North Conway, NH 03860-7101
- **Phone:** (603) 356-5472 · **Fax:** (603) 356-9647
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Memorial Hospital (NPI 1366421141, North Conway, NH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** January 15, 2024
- **Other identifiers:** Medicaid 3101243 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1043343056) · Data from the CMS NPPES public registry.