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KELLYANN O'BRIEN PA-C
NPI 1619910155
Physician Assistant - Medical in Springfield, MA

Active since June 13, 2006PECOS EnrolledAccepts Medicare Assignment
3400 MAIN ST, SPRINGFIELD, MA 01107(413) 794-9560(413) 794-5884 Get Directions Write a Review

NPPES record last updated: November 17, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 17, 2023, Feb 2, 2017 (2 updates tracked since 2017).

About Kellyann O'brien Pa-c NPPES

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

KELLYANN O'BRIEN PA-C (NPI 1619910155) is an individual medical provider in Springfield, Massachusetts, licensed in Massachusetts (PA4823) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Yale University School Of Medicine (2004).

NPPES Registry Identity

NPI1619910155
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameKELLYANN O'BRIENCredential: PA-C
Location Address3400 MAIN STSpringfield, MA 01107-1113
Mailing Address280 Chestnut St, 2nd FloorSpringfield, MA 01199-1619 · (413) 794-5700
Phone(413) 794-9560
Fax(413) 794-5884
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 2004
Enumeration DateJune 13, 2006
Last NPPES UpdateNovember 17, 20232 updates tracked since enumeration
NPPES CertifiedNovember 17, 2023
✔ NPI 1619910155 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in MA · PA4823
3400 MAIN ST, Springfield, MA 01107
Open in Google Maps ↗

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

Kellyann O'brien Pa-c 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 ID5395751630
PECOS Enrollment IDI20160714002066
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.

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.
17 services17 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.
15 services15 patients

Other Providers at the Same Location NPPES 19

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

SUNDERS DORCELY ARNP
Nurse Practitioner (Family)
3400 MAIN ST
SPRINGFIELD, MA 01107
Hampden County (413) 794-9560
JULIE KRISTY GRONDIN NP
Nurse Practitioner (Family)
3400 MAIN ST
SPRINGFIELD, MA 01107
Hampden County (413) 794-8777
DR. ZACHARY L SCHEPART MD
Internal Medicine
3400 MAIN ST
SPRINGFIELD, MA 01107
Hampden County (413) 794-8777
ANDREA NOLAN-SCHMIDT LICSW
Social Worker (Clinical)
3400 MAIN ST
SPRINGFIELD, MA 01107
Hampden County (413) 794-8777
MARK S. KASSIS M.D.
Internal Medicine
3400 MAIN ST
SPRINGFIELD, MA 01107
Hampden County (413) 794-9560
RITIKA BHATT MD
Internal Medicine
3400 MAIN ST
SPRINGFIELD, MA 01107
Hampden County (413) 794-8777
DAVID E KATZ MD
Family Medicine
3400 MAIN ST
SPRINGFIELD, MA 01107
Hampden County (413) 794-9560
DR. HOWARD S GOLDBERG M.D.
Internal Medicine
3400 MAIN ST
SPRINGFIELD, MA 01107
Hampden County (413) 794-9560

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 Kellyann O'brien's NPI number?

The NPI number for Kellyann O'brien is 1619910155. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is Kellyann O'brien located?

Kellyann O'brien practices at 3400 Main St, Springfield, MA 01107. The listed phone number is (413) 794-9560.

What is Kellyann O'brien's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Kellyann O'brien enrolled in Medicare?

Yes. Kellyann O'brien 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.

When was this NPI record last updated?

The NPPES record for Kellyann O'brien was last updated on November 17, 2023. 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.