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SARA ELIZABETH GROSSLEIN PA
NPI 1003486499
Physician Assistant in Boston, MA

Active since June 28, 2021PECOS EnrolledAccepts Medicare Assignment
55 FRUIT STREET, WHITE 1, BOSTON, MA 02114(617) 724-4100(617) 726-7415 Get Directions Write a Review

NPPES record last updated: May 1, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 1, 2024, Mar 4, 2022, Nov 1, 2021 and 1 more (4 updates tracked since 2021).

About Sara Elizabeth Grosslein Pa NPPES

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

SARA ELIZABETH GROSSLEIN PA (NPI 1003486499) is an individual physician assistant in Boston, Massachusetts and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1003486499
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameSARA ELIZABETH GROSSLEINCredential: PA
Location Address55 FRUIT STREET, WHITE 1Boston, MA 02114-6110
Mailing Address55 Fruit St Dept OfBoston, MA 02114-2621
Phone(617) 724-4100
Fax(617) 726-7415
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 28, 2021
Last NPPES UpdateMay 1, 20244 updates tracked since enumeration
NPPES CertifiedMay 1, 2024
✔ NPI 1003486499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.
55 FRUIT STREET, Boston, MA 02114
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Other Names 1

Professional Name (2)Sara Elizabeth Grosslein Pa

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

Sara Elizabeth Grosslein Pa 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 ID2860888732
PECOS Enrollment IDI20220331002150
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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
18 services18 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

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 02114 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.

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.

KUI TOH GERARD LEONG M.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT STREET, MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Suffolk County (617) 726-8862
MS. JACQUELINE BANGO LICSW
Social Worker (Clinical)
55 FRUIT STREET, FOUNDERS BUILDING SUITE 880
BOSTON, MA 02114
Suffolk County (617) 643-8281
JEFFREY M ELLENBOGEN M.D.
Psychiatry & Neurology (Neurology)
55 FRUIT STREET, WANG 720 (NEUROLOGY)
BOSTON, MA 02114
Suffolk County (617) 724-7419
DR. NANCY LEE HARRIS MD
Pathology (Anatomic Pathology & Clinical Pathology)
55 FRUIT STREET, WRN 2 PATHOLOGY ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 726-5155
DR. STANLEY YANG SHAW MD PHD
Internal Medicine (Cardiovascular Disease)
55 FRUIT STREET, YAW 5 CARDIAC UNIT ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 724-6750
LEONARDO V RIELLA M.D., PHD
Internal Medicine
55 FRUIT STREET, WHITE 5
BOSTON, MA 02114
Suffolk County (617) 726-5050
SUSAN MAHER CRNA
Nurse Anesthetist, Certified Registered
55 FRUIT STREET, CLN 309 MGH ANESTHESIA ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 726-3030
FEI WU M.B.B.S.
Student in an Organized Health Care Education/Training Program
55 FRUIT STREET, GRB444
BOSTON, MA 02114
Suffolk County (617) 726-6890

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 Sara Grosslein's NPI number?

The NPI number for Sara Grosslein is 1003486499. It was assigned to this individual provider in the NPPES registry on June 28, 2021. The provider is also known as Sara Elizabeth Grosslein PA.

Where is Sara Grosslein located?

Sara Grosslein practices at 55 Fruit Street White 1, Boston, MA 02114. The listed phone number is (617) 724-4100.

What is Sara Grosslein's specialty?

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

Is Sara Grosslein enrolled in Medicare?

Yes. Sara Grosslein 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 Sara Grosslein affiliated with any hospitals?

According to CMS data, Sara Grosslein is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Sara Grosslein was last updated on May 1, 2024. 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.