WILLIAM EARL BENTLEY IV D.O.
NPI 1295053171
Anesthesiology in Flemington, NJ
About William Earl Bentley Iv D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM EARL BENTLEY IV D.O. (NPI 1295053171) is an individual anesthesiology provider in Flemington, New Jersey, licensed in New Jersey (25MB09516200) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Hunterdon Medical Center, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
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
William Earl Bentley Iv D.o. 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 William Bentley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Flemington, NJ 08822
- Reassigned Medicare billing, New Jersey enrollment
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hunterdon Medical Center
Acute Care Hospitals · Flemington, NJSt Luke's Warren Hospital
Acute Care Hospitals · Phillipsburg, NJOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FLEMINGTON, NJ 08822
FLEMINGTON, NJ 08822
FLEMINGTON, NJ 08822
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 William Bentley's NPI number?
The NPI number for William Bentley is 1295053171. It was assigned to this individual provider in the NPPES registry on May 17, 2010.
Where is William Bentley located?
William Bentley practices at 2100 Wescott Dr Hunterdon Medical Ctr-Anesthesia Office, Flemington, NJ 08822. The listed phone number is (908) 788-6181.
What is William Bentley's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Bentley enrolled in Medicare?
Yes. William Bentley 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 William Bentley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Bentley reassigns Medicare benefits to Advanced Anesthesiology And Pain Management LLC (Flemington, NJ). 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 William Bentley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Bentley accept?
Health plans from Oscar Health list William Bentley 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 William Bentley affiliated with any hospitals?
According to CMS data, William Bentley is affiliated with Hunterdon Medical Center and St Luke's Warren Hospital.
When was this NPI record last updated?
The NPPES record for William Bentley was last updated on August 31, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# William Earl Bentley IV, D.O. · NPI 1295053171
Anesthesiology physician in Flemington, New Jersey. Individual provider, active in the CMS NPPES registry since May 17, 2010.
## Identity
- **NPI:** 1295053171 (Entity type: Individual)
- **Enumerated:** May 17, 2010
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 25MB09516200 (New Jersey)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2100 WESCOTT DR, HUNTERDON MEDICAL CTR-ANESTHESIA OFFICE, Flemington, NJ 08822-4603
- **Phone:** (908) 788-6181
## 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:** Advanced Anesthesiology And Pain Management LLC (NPI 1396230538, Flemington, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** August 31, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1295053171) · Data from the CMS NPPES public registry.