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MRS. SARAH M O'SHEA MD
NPI 1912269622
Internal Medicine in Westfield, MA

Active since June 10, 2012PECOS EnrolledAccepts Medicare Assignment
57 UNION ST, WESTFIELD, MA 01085(413) 572-6050(413) 568-1097 Get Directions Write a Review

NPPES record last updated: January 31, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 31, 2022, Jun 1, 2021 (2 updates tracked since 2021).

About Mrs. Sarah M O'shea Md NPPES

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

MRS. SARAH M O'SHEA MD (NPI 1912269622) is an individual internal medicine provider in Westfield, Massachusetts, licensed in Massachusetts (263638) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Holyoke Medical Center, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1912269622
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMRS. SARAH M O'SHEACredential: MD
Location Address57 UNION STWestfield, MA 01085-2658
Mailing Address280 Chestnut Street, 2nd FloorSpringfield, MA 01199-1001 · (413) 794-5700
Phone(413) 572-6050
Fax(413) 568-1097
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJune 10, 2012
Last NPPES UpdateJanuary 31, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 31, 2022
✔ NPI 1912269622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 263638
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
57 UNION ST, Westfield, MA 01085
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Sarah M O'shea 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 ID4981924503
PECOS Enrollment IDI20151029000141
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Sarah O'shea reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Western Mass Physician Associates Inc
1.1 mi
Internal Medicine
140 SOUTHAMPTON RD
Westfield, MA 01085
  • Reassigned Medicare billing, Massachusetts enrollment
  • 242 clinicians in this Medicare group
NPI 1366087363 (413) 540-5065
Holyoke Medical Center, Inc.
7.5 mi
General Acute Care Hospital
575 BEECH ST
Holyoke, MA 01040
  • Reassigned Medicare billing, Massachusetts enrollment
  • 241 clinicians in this Medicare group
NPI 1750395737 (413) 534-2567
Riverbend Medical Group, Inc.
7.6 mi
Internal Medicine
271 CAREW ST
Springfield, MA 01104
  • Reassigned Medicare billing, Massachusetts enrollment
  • 298 clinicians in this Medicare group
NPI 1841651197 (413) 781-7217

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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 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.
225 services143 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
70 services60 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
53 services45 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
26 services26 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.
22 services15 patients
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.
12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Holyoke Medical Center

Acute Care Hospitals · Holyoke, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220024
Location575 Beech StreetHolyoke, MA 01040 · Hampden County
Emergency services

Baystate Noble Hospital

Acute Care Hospitals · Westfield, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220065
Location115 West Silver StreetWestfield, MA 01085 · Hampden County
Emergency services

Mercy Medical Ctr

Acute Care Hospitals · Springfield, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220066
Location271 Carew StreetSpringfield, MA 01104 · Hampden County
Emergency services Birthing friendly

Baystate Medical Center

Acute Care Hospitals · Springfield, MA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220077
Location759 Chestnut StreetSpringfield, MA 01199 · Hampden County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01085 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers12 claims38 services$6.22 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers11 claims14 services$1.13 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 14

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

JESSICA GRABOWSKI PA-C
Physician Assistant (Medical)
57 UNION ST, SUITE 101
WESTFIELD, MA 01085
Hampden County (413) 642-7200
DIANNE LAVOIE PA-C
Physician Assistant (Medical)
57 UNION ST
WESTFIELD, MA 01085
Hampden County (413) 572-6050
DR. ALEKSANDR D PUGACH MD
Internal Medicine
57 UNION ST, SUITE 102
WESTFIELD, MA 01085
Hampden County (413) 572-6050
MR. CALVIN BAXTER CHANDLER LICSW
Social Worker (Clinical)
57 UNION ST
WESTFIELD, MA 01085
Hampden County (413) 572-6050
CHARLES W. CAHILL M.D.
Obstetrics & Gynecology (Gynecology)
57 UNION ST
WESTFIELD, MA 01085
Hampden County (413) 831-7960
DR. EILEEN A. WHALEN MD
Emergency Medicine
57 UNION ST, STE 101
WESTFIELD, MA 01085
Hampden County (413) 642-7200
MR. JAMES WHEELER PA
Physician Assistant (Medical)
57 UNION ST, SUITE 101
WESTFIELD, MA 01085
Hampden County (413) 642-7200
DR. LAURA GIOIELLA MD
Internal Medicine
57 UNION ST
WESTFIELD, MA 01085
Hampden County (413) 572-6050

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 Sarah O'shea's NPI number?

The NPI number for Sarah O'shea is 1912269622. It was assigned to this individual provider in the NPPES registry on June 10, 2012.

Where is Sarah O'shea located?

Sarah O'shea practices at 57 Union St, Westfield, MA 01085. The listed phone number is (413) 572-6050.

What is Sarah O'shea's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sarah O'shea enrolled in Medicare?

Yes. Sarah O'shea 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.

Which organizations bill Medicare for Sarah O'shea's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah O'shea reassigns Medicare benefits to 3 organizations: Western Mass Physician Associates Inc (Westfield, MA), Holyoke Medical Center, Inc. (Holyoke, MA) and Riverbend Medical Group, Inc. (Springfield, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah O'shea's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sarah O'shea accept?

Health plans from Taro Health list Sarah O'shea 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 Sarah O'shea affiliated with any hospitals?

According to CMS data, Sarah O'shea is affiliated with Holyoke Medical Center, Baystate Noble Hospital, Mercy Medical Ctr and Baystate Medical Center.

When was this NPI record last updated?

The NPPES record for Sarah O'shea was last updated on January 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.