IAN J BRISTOL M.D.
NPI 1235357294
Radiology - Radiation Oncology in Portland, ME

Active since April 23, 2007PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
22 BRAMHALL ST, PORTLAND, ME 04102(207) 662-2276 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 21, 2026, Aug 14, 2025, May 19, 2025 and 2 more (5 updates tracked since 2015).

About Ian J Bristol M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

IAN J BRISTOL M.D. (NPI 1235357294) is an individual radiation oncology provider in Portland, Maine, licensed in Maine (MD17399) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1235357294
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameIAN J BRISTOLCredential: M.D.
Location Address22 BRAMHALL STPortland, ME 04102-3134
Mailing Address324 Gannett Dr Ste 200South Portland, ME 04106-3266 · (207) 482-7800
Sole ProprietorNo
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2002
Enumeration DateApril 23, 2007
Last NPPES UpdateApril 21, 20265 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
NPI 1235357294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses Licensed in ME · MD17399 Licensed in NH · 25134
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
22 BRAMHALL ST, Portland, ME 04102

Secondary Practice Locations 4

Location 111 Rock Row Ste 320Westbrook, ME 04092-4877 · Phone (207) 303-3300
Location 211 Rock Row Ste 120Westbrook, ME 04092-4877 · Phone (207) 303-3350
Location 315 Rock Row Ste 110Westbrook, ME 04092-4877 · Phone (207) 303-3300 · Fax (207) 241-4439
Location 4333 Borthwick AvePortsmouth, NH 03801-7128 · Phone (603) 559-4188 · Fax (603) 443-4906

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ian J Bristol M.d. 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.

PECOS PAC ID8921109349
PECOS Enrollment IDI20070728000174, I20240415003116
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 22

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.

Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
512 services56 patients
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002
Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.
144 services24 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
107 services88 patients
Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
104 services39 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
91 services41 patients
Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
60 services20 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Mid Coast Hospital

Acute Care Hospitals · Brunswick, ME
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200021
Location123 Medical Center DriveBrunswick, ME 04011 · Cumberland County
Emergency services Birthing friendly

Penobscot Bay Medical Center

Acute Care Hospitals · Rockport, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200063
Location6 Glen Cove DriveRockport, ME 04856 · Knox County
Emergency services Birthing friendly

Lincolnhealth

Critical Access Hospitals · Damariscotta, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number201302
Location35 Miles StreetDamariscotta, ME 04543 · Lincoln County
Emergency services

Portsmouth Regional Hospital

Acute Care Hospitals · Portsmouth, NH
3/5 CMS rating
OwnershipProprietary
CMS Certification Number300029
Location333 Borthwick AvePortsmouth, NH 03801 · Rockingham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$169.96 typical visit price
range $56.28 – $169.96
Typical copayment $42.49 (range $14.07 – $42.49)
Most-billed visit code 99205
Established Patient
$70.13 typical visit price
range $18.22 – $138.92
Typical copayment $17.53 (range $4.55 – $34.73)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

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.

Physician Assistant (Medical)
22 BRAMHALL ST
PORTLAND, ME 04102
Dietitian, Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Anesthesiology
22 BRAMHALL ST
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102

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 Ian Bristol's NPI number?

The NPI number for Ian Bristol is 1235357294. It was assigned to this individual provider in the NPPES registry on April 23, 2007.

Where is Ian Bristol located?

Ian Bristol practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-2276.

What is Ian Bristol's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Ian Bristol enrolled in Medicare?

Yes. Ian Bristol 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.

What insurance does Ian Bristol accept?

Health plans from Ambetter from NH Healthy Families and Anthem Blue Cross and Blue Shield list Ian Bristol 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 Ian Bristol affiliated with any hospitals?

According to CMS data, Ian Bristol is affiliated with Maine Medical Center, Mid Coast Hospital, Penobscot Bay Medical Center, Lincolnhealth and Portsmouth Regional Hospital.

When was this NPI record last updated?

The NPPES record for Ian Bristol was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.