DR. KATELYN SULLIVAN D.O.
NPI 1205220720
Emergency Medicine in Springfield, MA

Active since March 23, 2015PECOS EnrolledAccepts Medicare Assignment
97.99/100
CMS Quality Rating
BAYSTATE MEDICAL CTR, 759 CHESTNUT STEET, SPRINGFIELD, MA 01199(413) 794-0000 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Sep 19, 2019, Aug 22, 2018 (3 updates tracked since 2018).

About Dr. Katelyn Sullivan D.o. NPPES

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

DR. KATELYN SULLIVAN D.O. (NPI 1205220720) is an individual emergency medicine provider in Springfield, Massachusetts, licensed in Massachusetts (274956) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with South Shore Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1205220720
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. KATELYN SULLIVANCredential: D.O.
Location AddressBAYSTATE MEDICAL CTR, 759 CHESTNUT STEETSpringfield, MA 01199-0001
Mailing AddressBaystate Medical Ctr, 759 Chestnut SteetSpringfield, MA 01199-0001 · (413) 794-0000
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 23, 2015
Last NPPES UpdateSeptember 11, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
NPI 1205220720 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 · 274956
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.
BAYSTATE MEDICAL CTR, Springfield, MA 01199

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. Katelyn Sullivan D.o. 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 ID2567775331
PECOS Enrollment IDI20180913001863
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 11

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.
185 services169 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.
99 services66 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.
35 services34 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.
28 services28 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
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.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

South Shore Hospital

Acute Care Hospitals · South Weymouth, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220100
Location55 Fogg RoadSouth Weymouth, MA 02190 · Norfolk County
Emergency services Birthing friendly

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01199 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.87
Improvement Activities40

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.

Obstetrics & Gynecology
BAYSTATE MEDICAL CTR, 759 CHESTNUT ST
SPRINGFIELD, MA 01199
Student in an Organized Health Care Education/Training Program
BAYSTATE MEDICAL CTR, 759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Internal Medicine
BAYSTATE MEDICAL CTR, 759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Student in an Organized Health Care Education/Training Program
BAYSTATE MEDICAL CTR, 759 CHESTNUT ST
SPRINGFIELD, MA 01199
Student in an Organized Health Care Education/Training Program
BAYSTATE MEDICAL CTR, 759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Radiology (Diagnostic Radiology)
BAYSTATE MEDICAL CTR, 759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Student in an Organized Health Care Education/Training Program
BAYSTATE MEDICAL CTR, 759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Emergency Medicine
BAYSTATE MEDICAL CTR, 759 CHESTNUT STREET
SPRINGFIELD, MA 01199

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 Katelyn Sullivan's NPI number?

The NPI number for Katelyn Sullivan is 1205220720. It was assigned to this individual provider in the NPPES registry on March 23, 2015.

Where is Katelyn Sullivan located?

Katelyn Sullivan practices at Baystate Medical Ctr 759 Chestnut Steet, Springfield, MA 01199. The listed phone number is (413) 794-0000.

What is Katelyn Sullivan's specialty?

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

Is Katelyn Sullivan enrolled in Medicare?

Yes. Katelyn Sullivan 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 Katelyn Sullivan affiliated with any hospitals?

According to CMS data, Katelyn Sullivan is affiliated with South Shore Hospital and Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for Katelyn Sullivan was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.