John B Halligan, MD
Radiation Oncology (CMS) · Anchorage, AK
At a glance
3851 Piper St, Anchorage, AK 99508
NPPES record updated May 21, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
3851 Piper St Tower U, Ste1Anchorage, AK 99508
Additional reported practice locations
240 Hospital PlSoldotna, AK 996697559
Phone: 9072627762
Fax: 9079217581 188 W Northern Lights Blvd Ste 100
Anchorage, AK 995033904
Phone: 9075622002
Fax: 9072788052 1701 Salmon Creek Ln
Juneau, AK 998017868
Phone: 9075865762
Fax: 9075865777 2250 S Woodworth Loop Ste 100
Palmer, AK 996457457
Phone: 9077071333
Fax: 8442487515
Education & affiliations
- Medical / professional school
- Uniformed Services Uhs Fe Hebert School Of Med
- Graduation year
- 1989
- CMS specialties
- Radiation Oncology
Practice groups
Reported hospital affiliations
- Providence Alaska Medical Center Anchorage, AK
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $326.96 |
Reporting companies
| Company | Amount |
|---|---|
| HISTOSONICS, INC. | $155.60 |
| ELEKTA, INC. | $126.04 |
| ICOTEC MEDICAL INC. | $23.72 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $21.60 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Radiation Oncology (CMS)
- Taxonomy code
- 2085R0001X
- Enumeration date
- Feb 2, 2006
- Record updated
- May 21, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2085R0001X · Primary
License reported: MEDS6314 AK
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
3851 Piper StTower U, Ste1
Anchorage, AK 99508
- Phone
- (907) 212-7961
- Fax
- (907) 212-3665
Mailing address
PO BOX 3991SEATTLE, WA 981243991
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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