ERIN M. FALLON P.A.
NPI 1255770897
Physician Assistant in Darien, CT

Active since June 17, 2013PECOS Enrolled
104 HEIGHTS RD # R103, DARIEN, CT 06820(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 6, 2026, Jul 1, 2025 (2 updates tracked since 2025).

About Erin M. Fallon P.a. NPPES

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

ERIN M. FALLON P.A. (NPI 1255770897) is an individual physician assistant in Darien, Connecticut, licensed in Connecticut (007281) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1255770897
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameERIN M. FALLONCredential: P.A.
Location Address104 HEIGHTS RD # R103Darien, CT 06820-4119
Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (888) 663-6331
Fax(415) 252-7176
Sole ProprietorNo
Enumeration DateJune 17, 2013
Last NPPES UpdateFebruary 6, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2026
NPI 1255770897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses Licensed in CT · 007281 Licensed in MA · PA4706
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License MA059522 (PA)
104 HEIGHTS RD # R103, Darien, CT 06820

Secondary Practice Locations 3

Location 1169 Madison Ave Ste 15370New York, NY 10016-5101 · Phone (844) 484-7362
Location 2680 Centre StBrockton, MA 02302-3308 · Phone (508) 941-7400 · Fax (508) 941-6200
Location 31200 S Cedar Crest BlvdAllentown, PA 18103-6202 · Phone (484) 862-3232 · Fax (484) 862-3250

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Erin M. Fallon P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 2

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.

Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
25 services21 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
20 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06820 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
104 HEIGHTS RD # R103
DARIEN, CT 06820
Nurse Practitioner (Family)
104 HEIGHTS RD # R103
DARIEN, CT 06820
Physician Assistant
104 HEIGHTS RD # R103
DARIEN, CT 06820
Nurse Practitioner
104 HEIGHTS RD # R103
DARIEN, CT 06820

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 Fallon's NPI number?

The NPI number for Erin Fallon is 1255770897. It was assigned to this individual provider in the NPPES registry on June 17, 2013.

Where is Erin Fallon located?

Erin Fallon practices at 104 Heights Rd # R103, Darien, CT 06820. The listed phone number is (888) 663-6331.

What is Erin Fallon's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Erin Fallon enrolled in Medicare?

Yes. Erin Fallon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Erin Fallon was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.