DR. ALISON CALLAHAN MD
NPI 1992016059
Ophthalmology in Boston, MA

Active since June 23, 2010PECOS EnrolledAccepts Medicare Assignment
800 WASHINGTON ST, BOSTON, MA 02111(617) 636-5000 Get Directions Write a Review

NPPES record last updated: January 10, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 11, 2022, Sep 2, 2016 (2 updates tracked since 2016).

About Dr. Alison Callahan Md NPPES

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

DR. ALISON CALLAHAN MD (NPI 1992016059) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (266676) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Newton-wellesley Hospital, and is a graduate of Columbia University College Of Physicians And Surgeons (2010).

NPPES Registry Identity

NPI1992016059
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameDR. ALISON CALLAHANCredential: MD
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address800 Washington StBoston, MA 02111-1552 · (617) 636-5000
Sole ProprietorYes
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2010
Enumeration DateJune 23, 2010
Last NPPES UpdateJanuary 10, 20242 updates tracked since enumeration
NPPES CertifiedJanuary 10, 2024
NPI 1992016059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in MA · 266676
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
800 WASHINGTON ST, Boston, MA 02111

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

Dr. Alison Callahan Md 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 ID8729246780
PECOS Enrollment IDI20160928000562
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 11

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
74 services67 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
48 services47 patients
Exam of visual field with limited testing 92081
An exam of the visual field with limited testing is a quick check of your peripheral vision. It involves identifying objects or movements at the edge of your sight, helping to detect any vision loss that isn't obvious, such as blind spots or areas of reduced vision.
46 services44 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
39 services39 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
33 services33 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
20 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Polishing/resurfacing of ocular prosthesis V2624
Other-Vision, Hearing, and Speech Services · category OC000N
2 suppliers11 claims11 services$50.48 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111

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 Alison Callahan's NPI number?

The NPI number for Alison Callahan is 1992016059. It was assigned to this individual provider in the NPPES registry on June 23, 2010.

Where is Alison Callahan located?

Alison Callahan practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5000.

What is Alison Callahan's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Alison Callahan enrolled in Medicare?

Yes. Alison Callahan 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 Alison Callahan accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Blue Cross and Blue Shield of Montana and 3 other insurers list Alison Callahan 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 Alison Callahan affiliated with any hospitals?

According to CMS data, Alison Callahan is affiliated with Newton-Wellesley Hospital and Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for Alison Callahan was last updated on January 10, 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.