1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Physician Assistant
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ABBY STURMER PA-C
NPI 1851729271
Physician Assistant in Boston, MA

Active since October 22, 2013PECOS Enrolled
98.06/100
CMS Quality Rating
53 STATE ST STE 106, BOSTON, MA 02109(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 28, 2026, Mar 22, 2016 (2 updates tracked since 2016).

About Abby Sturmer Pa-c NPPES

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

ABBY STURMER PA-C (NPI 1851729271) is an individual physician assistant in Boston, Massachusetts, licensed in Massachusetts (PA4872) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS, is affiliated with York Hospital, and maintains a secondary practice location in York.

NPPES Registry Identity

NPI1851729271
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameABBY STURMERCredential: PA-C
Location Address53 STATE ST STE 106Boston, MA 02109-2136
Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723
Phone(888) 663-6331
Fax(415) 252-7176
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateOctober 22, 2013
Last NPPES UpdateJuly 28, 20262 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1851729271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in MA · PA4872✔ Licensed in ME · PA1506
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.
53 STATE ST STE 106, Boston, MA 02109
Open in Google Maps ↗

Other Names 1

Former Name (1)Abby Ronsivalli Pa-c

Secondary Practice Location 1

Location 115 Hospital DrYork, ME 03909-1011 · Phone (207) 351-2478

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

Abby Sturmer 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 ID8022240290
PECOS Enrollment IDI20160815000170
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 4

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.
66 services58 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.
55 services49 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
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.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

York Hospital

Acute Care Hospitals · York, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200020
Location15 Hospital DriveYork, ME 03909 · York County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02109 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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.

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.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

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

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier18 claims18 services$5.30 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 3

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

MARIA SANTOS CHAFOYA NP
Nurse Practitioner (Family)
53 STATE ST STE 106
BOSTON, MA 02109
Suffolk County (888) 663-6331
MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC.
Family Medicine
53 STATE ST STE 106
BOSTON, MA 02109
Suffolk County (617) 903-5000
MRS. SHANNON KURZESKI FNP-C
Nurse Practitioner
53 STATE ST STE 106
BOSTON, MA 02109
Suffolk County (888) 663-6331

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 Abby Sturmer's NPI number?

The NPI number for Abby Sturmer is 1851729271. It was assigned to this individual provider in the NPPES registry on October 22, 2013. The provider is also known as Abby Ronsivalli Pa-C.

Where is Abby Sturmer located?

Abby Sturmer practices at 53 State St Ste 106, Boston, MA 02109. The listed phone number is (888) 663-6331.

What is Abby Sturmer's specialty?

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

Is Abby Sturmer enrolled in Medicare?

Yes. Abby Sturmer 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 Abby Sturmer affiliated with any hospitals?

According to CMS data, Abby Sturmer is affiliated with York Hospital and Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Abby Sturmer was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.