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DR. ERIN COLLEEN O'FALLON M.D. M.P.H.
NPI 1801853205
Internal Medicine - Geriatric Medicine in Boston, MA

Active since April 28, 2006PECOS EnrolledAccepts Medicare Assignment
75 FRANCIS STREET BRIGHAM AND WOMENS HOSPITAL,, PBB-B-4-ROOM 428, BOSTON, MA 02215(617) 525-8281 Get Directions Write a Review

NPPES record last updated: August 31, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Erin Colleen O'fallon M.d. M.p.h. NPPES

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

DR. ERIN COLLEEN O'FALLON M.D. M.P.H. (NPI 1801853205) is an individual geriatric medicine provider in Boston, Massachusetts, licensed in Minnesota (45268) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of University Of Minnesota Medical School (2001).

NPPES Registry Identity

NPI1801853205
Entity TypeIndividualFemale
Primary Taxonomy207RG0300X
Provider Legal NameDR. ERIN COLLEEN O'FALLONCredential: M.D. M.P.H.
Location Address75 FRANCIS STREET BRIGHAM AND WOMENS HOSPITAL,, PBB-B-4-ROOM 428Boston, MA 02215
Mailing Address75 Francis Street, Brigham And Women's Hospital, Pbb-b-4-room 428Boston, MA 02215 · (617) 522-6353
Phone(617) 525-8281
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2001
Enumeration DateApril 28, 2006
Last NPPES UpdateAugust 31, 2011
✔ NPI 1801853205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in MN · 45268
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
75 FRANCIS STREET BRIGHAM AND WOMENS HOSPITAL,, Boston, MA 02215
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Other Identifiers 1

Medicare UPINI 17665MN

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. Erin Colleen O'fallon M.d. M.p.h. 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 ID9032178686
PECOS Enrollment IDI20060926000007
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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
185 services94 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
106 services70 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
65 services65 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
42 services42 patients

Hospital Affiliations CMS Care Compare 2

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Erin O'fallon's NPI number?

The NPI number for Erin O'fallon is 1801853205. It was assigned to this individual provider in the NPPES registry on April 28, 2006.

Where is Erin O'fallon located?

Erin O'fallon practices at 75 Francis Street Brigham And Womens Hospital, Pbb-B-4-Room 428, Boston, MA 02215. The listed phone number is (617) 525-8281.

What is Erin O'fallon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Erin O'fallon enrolled in Medicare?

Yes. Erin O'fallon 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.

Is Erin O'fallon affiliated with any hospitals?

According to CMS data, Erin O'fallon is affiliated with Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Erin O'fallon was last updated on August 31, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.