DR. RACHEL S GERSHAW DO
NPI 1518494343
Emergency Medicine in Southbridge, MA

Q: What is Rachel Gershaw's NPI number?

The NPI number for Rachel Gershaw is 1518494343. It was assigned to this individual provider in the NPPES registry on May 11, 2017.

Q: What is Rachel Gershaw's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Rachel Gershaw was last updated on July 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since May 11, 2017PECOS EnrolledAccepts Medicare Assignment

100 SOUTH ST, SOUTHBRIDGE, MA 01550(508) 765-9771 Get Directions Write a Review

NPPES record last updated: July 2, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 2, 2021, Sep 22, 2020, May 11, 2017 (3 updates tracked since 2017).

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About Dr. Rachel S Gershaw Do NPPES

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

DR. RACHEL S GERSHAW DO (NPI 1518494343) is an individual emergency medicine provider in Southbridge, Massachusetts, licensed in Massachusetts (282576) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1518494343

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDR. RACHEL S GERSHAWCredential: DO

Location Address100 SOUTH STSouthbridge, MA 01550-4051

Mailing Address100 South St Ste 1Southbridge, MA 01550-4047 · (508) 765-9771

Phone(508) 765-9771

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateMay 11, 2017

Last NPPES UpdateJuly 2, 20213 updates tracked since enumeration

NPPES CertifiedJuly 2, 2021

✔ NPI 1518494343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in MA · 282576

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

100 SOUTH ST, Southbridge, MA 01550

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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

Dr. Rachel S Gershaw Do 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 ID8729358585

PECOS Enrollment IDI20200518000578

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

Medicare enrollment records show Rachel Gershaw reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bid-Milton Physician Associates Inc

51 mi

Behavior Analyst

100 HIGHLAND ST STE 126
Milton, MA 02186

Reassigned Medicare billing, Massachusetts enrollment
177 clinicians in this Medicare group

NPI 1184312738 (617) 313-1440

Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is

51 mi

Multi-Specialty

330 BROOKLINE AVE
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
Also billed through NPI 1952358533 (Massachusetts)
1,006 clinicians in this Medicare group

NPI 1861216038 (617) 667-2906

Beth Israel Deaconess Medical Center, Inc.

51 mi

General Acute Care Hospital

330 BROOKLINE AVE, ST 207
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
1,477 clinicians in this Medicare group

NPI 1548202641 (617) 667-1961

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

51 mi

Internal Medicine

330 BROOKLINE AVE
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
Also billed through NPI 1316987993 (Massachusetts)
2,579 clinicians in this Medicare group

NPI 1194765438 (617) 754-9600

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 14

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

266 services257 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

193 services185 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

137 services136 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

91 services91 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.

36 services36 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

17 services12 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.

16 services16 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

13 services13 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.

13 services13 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.

13 services13 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

12 services12 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

12 services12 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220002

Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County

Emergency services Birthing friendly

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220086

Location330 Brookline AvenueBoston, MA 02215 · Suffolk County

Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Milton

Acute Care Hospitals · Milton, MA

4/5 CMS rating

OwnershipGovernment - Federal

CMS Certification Number220108

Location199 Reedsdale RoadMilton, MA 02186 · Norfolk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01550 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

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.

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.

EDWARD YE PA-C

Physician Assistant (Medical)

100 SOUTH ST
SOUTHBRIDGE, MA 01550

Worcester County (508) 765-9771

DR. KRISHNAVENI SIRIGADDI MD

Internal Medicine

100 SOUTH ST
SOUTHBRIDGE, MA 01550

Worcester County (508) 765-9771

DR. CARL JOHN VANDERPUTTEN DO

Emergency Medicine

100 SOUTH ST, HARRINGTON MEMORIAL HOSPITAL
SOUTHBRIDGE, MA 01550

Worcester County (508) 765-9771

DR. MARSHA KAY FEARING MD, MPH, MMSC.

Pediatrics

100 SOUTH ST, STE 102
SOUTHBRIDGE, MA 01550

Worcester County (508) 765-7860

DR. JOHN GUS STAGIAS M.D.

Internal Medicine (Gastroenterology)

100 SOUTH ST
SOUTHBRIDGE, MA 01550

Worcester County (508) 765-9771

MR. DOMINIC IDOKO MA

Counselor (Mental Health)

100 SOUTH ST
SOUTHBRIDGE, MA 01550

Worcester County (508) 765-9771

STEPHANIE RUIZ-GONZALEZ CRNA

Nurse Anesthetist, Certified Registered

100 SOUTH ST
SOUTHBRIDGE, MA 01550

Worcester County (508) 909-7799

MARY E FRISELLA MD

Internal Medicine (Cardiovascular Disease)

100 SOUTH ST
SOUTHBRIDGE, MA 01550

Worcester County (508) 764-6041

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 Rachel Gershaw's NPI number?

The NPI number for Rachel Gershaw is 1518494343. It was assigned to this individual provider in the NPPES registry on May 11, 2017.

Where is Rachel Gershaw located?

Rachel Gershaw practices at 100 South St, Southbridge, MA 01550. The listed phone number is (508) 765-9771.

What is Rachel Gershaw's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Rachel Gershaw enrolled in Medicare?

Yes. Rachel Gershaw 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 Rachel Gershaw's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Gershaw reassigns Medicare benefits to 4 organizations: Bid-Milton Physician Associates Inc (Milton, MA), Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, 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 Rachel Gershaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rachel Gershaw accept?

Health plans from Taro Health list Rachel Gershaw 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 Rachel Gershaw affiliated with any hospitals?

According to CMS data, Rachel Gershaw is affiliated with Mount Auburn Hospital, Beth Israel Deaconess Medical Center and Beth Israel Deaconess Hospital - Milton.

When was this NPI record last updated?

The NPPES record for Rachel Gershaw was last updated on July 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.