MR. DANIEL R O'BRIEN CRNA
NPI 1508168832
Nurse Anesthetist, Certified Registered in Weymouth, MA
About Mr. Daniel R O'brien Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. DANIEL R O'BRIEN CRNA (NPI 1508168832) is an individual nurse anesthetist, certified registered in Weymouth, Massachusetts, licensed in Massachusetts (086832) and active in the NPI registry since November 2010. He is enrolled in Medicare PECOS, is affiliated with Elliot Hospital, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
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
Mr. Daniel R O'brien Crna 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 Reassignments
7Medicare enrollment records show Daniel O'brien reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middleton, MA 01949
- Reassigned Medicare billing, New Hampshire enrollment
- 49 clinicians in this Medicare group
Fall River, MA 02720
- Reassigned Medicare billing, Massachusetts enrollment
- 192 clinicians in this Medicare group
Hampstead, NH 03841
- Reassigned Medicare billing, New Hampshire enrollment
- 35 clinicians in this Medicare group
Exeter, NH 03833
- Reassigned Medicare billing, New Hampshire enrollment
- 189 clinicians in this Medicare group
Bedford, NH 03110
- Reassigned Medicare billing, New Hampshire enrollment
- 62 clinicians in this Medicare group
Manchester, NH 03103
- Reassigned Medicare billing, New Hampshire enrollment
- 278 clinicians in this Medicare group
Manchester, NH 03102
- Reassigned Medicare billing, New Hampshire enrollment
- 72 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.
Areas of Expertise CMS Part B claims
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Elliot Hospital
Acute Care Hospitals · Manchester, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02189 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.
WEYMOUTH, MA 02189
WEYMOUTH, MA 02189
WEYMOUTH, MA 02189
WEYMOUTH, MA 02189
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 Daniel O'brien's NPI number?
The NPI number for Daniel O'brien is 1508168832. It was assigned to this individual provider in the NPPES registry on November 18, 2010.
Where is Daniel O'brien located?
Daniel O'brien practices at 163 Libbey Pkwy Suite 301, Weymouth, MA 02189. The listed phone number is (781) 337-4224.
What is Daniel O'brien's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Daniel O'brien enrolled in Medicare?
Yes. Daniel 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 organizations bill Medicare for Daniel O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel O'brien reassigns Medicare benefits to 7 organizations: Icon Anesthesia Services Of New England LLC (Middleton, MA), North American Partners In Anesthesia Massachusetts LLC (Fall River, MA), Greater Hampstead Family Medicine, Inc. (Hampstead, NH), Anesthesia Care Group PC (Exeter, NH), Concord Orthopaedics Professional Association (Bedford, NH) and 2 more organizations, listed in the Medicare section above. Each 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 Daniel O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Daniel O'brien accept?
Health plans from Ambetter from NH Healthy Families and WellSense Health Plan list Daniel 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 Daniel O'brien affiliated with any hospitals?
According to CMS data, Daniel O'brien is affiliated with Elliot Hospital.
When was this NPI record last updated?
The NPPES record for Daniel O'brien was last updated on December 29, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Mr. Daniel R O'brien, CRNA · NPI 1508168832
Nurse Anesthetist, Certified Registered physician in Weymouth, Massachusetts. Individual provider, active in the CMS NPPES registry since November 18, 2010.
## Identity
- **NPI:** 1508168832 (Entity type: Individual)
- **Enumerated:** November 18, 2010
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 086832 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 163 LIBBEY PKWY, SUITE 301, Weymouth, MA 02189-3137
- **Phone:** (781) 337-4224 · **Fax:** (781) 335-0429
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Icon Anesthesia Services Of New England LLC (NPI 1629583323, Middleton, MA); North American Partners In Anesthesia Massachusetts LLC (NPI 1457867020, Fall River, MA); Greater Hampstead Family Medicine, Inc. (NPI 1740379940, Hampstead, NH); Anesthesia Care Group PC (NPI 1629074224, Exeter, NH); Concord Orthopaedics Professional Association (NPI 1902667520, Bedford, NH); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** December 29, 2011
- **Other identifiers:** Medicare PIN 002069201
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Source: [NPI Profile](https://npiprofile.com/npi/1508168832) · Data from the CMS NPPES public registry.