DR. TIMOTHY FREDERICK AYERS D.O.
NPI 1245384775
Anesthesiology in Weymouth, MA
About Dr. Timothy Frederick Ayers D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY FREDERICK AYERS D.O. (NPI 1245384775) is an individual anesthesiology provider in Weymouth, Massachusetts, licensed in Massachusetts (231248) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of New England, College Of Osteo Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Timothy Frederick Ayers D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Timothy Ayers reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Weymouth, MA 02189
- Reassigned Medicare billing, Massachusetts enrollment
- 115 clinicians in this Medicare group
Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 671 clinicians in this Medicare group
South Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 93 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 19 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 332 clinicians in this Medicare group
Waltham, MA 02451
- Reassigned Medicare billing, Massachusetts enrollment
- 90 clinicians in this Medicare group
Fall River, MA 02721
- Reassigned Medicare billing, Massachusetts enrollment
- 347 clinicians in this Medicare group
Dartmouth, MA 02747
- Reassigned Medicare billing, Massachusetts enrollment
- 79 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 8
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.
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 Timothy Ayers's NPI number?
The NPI number for Timothy Ayers is 1245384775. It was assigned to this individual provider in the NPPES registry on January 22, 2007.
Where is Timothy Ayers located?
Timothy Ayers practices at 163 Libbey Pkwy Suite 301, Weymouth, MA 02189. The listed phone number is (781) 337-4224.
What is Timothy Ayers's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Timothy Ayers enrolled in Medicare?
Yes. Timothy Ayers is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Timothy Ayers's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Ayers reassigns Medicare benefits to 8 organizations: Capa Anesthesia LLC (Weymouth, MA), Coastal Medical Associates (Weymouth, MA), South Suburban Gastroenterology, PC (South Weymouth, MA), Anesthesia Consultants Of Massachusetts LLC (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA) and 3 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 Timothy Ayers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Timothy Ayers was last updated on March 1, 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.
# Dr. Timothy Frederick Ayers, D.O. · NPI 1245384775
Anesthesiology physician in Weymouth, Massachusetts. Individual provider, active in the CMS NPPES registry since January 22, 2007.
## Identity
- **NPI:** 1245384775 (Entity type: Individual)
- **Enumerated:** January 22, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 231248 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 163 LIBBEY PKWY, SUITE 301, Weymouth, MA 02189-3118
- **Phone:** (781) 337-4224 · **Fax:** (781) 335-0429
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Capa Anesthesia LLC (NPI 1629723002, Weymouth, MA); Coastal Medical Associates (NPI 1932175684, Weymouth, MA); South Suburban Gastroenterology, PC (NPI 1114948478, South Weymouth, MA); Anesthesia Consultants Of Massachusetts LLC (NPI 1881306496, Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1093756629, Boston, MA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New England, College Of Osteo Medicine, class of 2001
## Record status
- **NPPES last updated:** March 1, 2024
- **Other identifiers:** Medicaid 110083210A (MA); Other AA112477 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1245384775) · Data from the CMS NPPES public registry.