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LEISA SIERRA LORD-HALVORSON
NPI 1942778394
Physician Assistant in Boston, MA

Active since November 04, 2018PECOS EnrolledAccepts Medicare Assignment
69.4/100
CMS Quality Rating
450 BROOKLINE AVE, BOSTON, MA 02215(617) 632-3000(617) 582-6021 Get Directions Write a Review

NPPES record last updated: May 1, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Apr 1, 2025, Mar 26, 2021, Jan 11, 2021 and 3 more (6 updates tracked since 2018).

About Leisa Sierra Lord-halvorson NPPES

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

LEISA SIERRA LORD-HALVORSON (NPI 1942778394) is an individual physician assistant in Boston, Massachusetts, licensed in Massachusetts (PA7730) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthcare-marlborough Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1942778394
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameLEISA SIERRA LORD-HALVORSON
Location Address450 BROOKLINE AVEBoston, MA 02215-5450
Mailing Address450 Brookline AveBoston, MA 02215-5450
Phone(617) 632-3000
Fax(617) 582-6021
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateNovember 4, 2018
Last NPPES UpdateMay 1, 20256 updates tracked since enumeration
NPPES CertifiedMay 1, 2025
✔ NPI 1942778394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MA · PA7730
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.
450 BROOKLINE AVE, Boston, MA 02215
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1157 Union StMarlborough, MA 01752-1228 · Phone (508) 486-6700
Location 255 Lake Ave NWorcester, MA 01655-0001 · Phone (508) 334-3550

Other Identifiers 1

Medicaid110164413AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Leisa Sierra Lord-halvorson 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 ID8426480005
PECOS Enrollment IDI20201117000385
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.

Hospital Affiliations CMS Care Compare 2

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

Umass Memorial Healthcare-Marlborough Hospital

Acute Care Hospitals · Marlborough, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220049
Location157 Union StreetMarlborough, MA 01752 · Middlesex County
Emergency services

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 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.

69.4/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality55.64
Promoting Interoperability100
Improvement Activities40
Cost42.36

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.

PRABHSIMRANJOT SINGH MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-7956
SHAWN MAGUIRE PA-C
Physician Assistant
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-8487
KARINA FRANCA
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-2285
DR. SUZANNE JAQUETH FORREST M.D.
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3270
LAUREN KIRITSY MSW, LCSW
Counselor (Mental Health)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-3448
OFIR WOLAJ MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215
Suffolk County (617) 632-6139
JASON BATALHA AGPCNP-BC
Nurse Practitioner
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-6140
FATIMA EMRAN AMIR MS, LGC
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3729

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 Leisa Lord-halvorson's NPI number?

The NPI number for Leisa Lord-halvorson is 1942778394. It was assigned to this individual provider in the NPPES registry on November 4, 2018.

Where is Leisa Lord-halvorson located?

Leisa Lord-halvorson practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-3000.

What is Leisa Lord-halvorson's specialty?

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

Is Leisa Lord-halvorson enrolled in Medicare?

Yes. Leisa Lord-halvorson 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.

What insurance does Leisa Lord-halvorson accept?

Health plans from Anthem Blue Cross and Blue Shield list Leisa Lord-halvorson 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 Leisa Lord-halvorson affiliated with any hospitals?

According to CMS data, Leisa Lord-halvorson is affiliated with Umass Memorial Healthcare-Marlborough Hospital and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Leisa Lord-halvorson was last updated on May 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.