DEREK J HERSEY PA
NPI 1114981289
Physician Assistant in Boston, MA

Active since April 14, 2006PECOS EnrolledAccepts Medicare Assignment
133 BROOKLINE AVE, BOSTON, MA 02215(617) 421-2194(617) 421-2192 Get Directions Write a Review

NPPES record last updated: January 8, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 8, 2021, Oct 28, 2020 (2 updates tracked since 2020).

About Derek J Hersey Pa NPPES

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

DEREK J HERSEY PA (NPI 1114981289) is an individual physician assistant in Boston, Massachusetts, licensed in Massachusetts (1256) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1114981289
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameDEREK J HERSEYCredential: PA
Location Address133 BROOKLINE AVEBoston, MA 02215-3904
Mailing Address133 Brookline AveBoston, MA 02215-3904 · (617) 421-2194 · Fax (617) 421-2192
Fax(617) 421-2192
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateApril 14, 2006
Last NPPES UpdateJanuary 8, 20212 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2021
NPI 1114981289 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in MA · 1256
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.

Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 1256 (MA)
133 BROOKLINE AVE, Boston, MA 02215

Accepted 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

Derek J Hersey 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 ID9133276926
PECOS Enrollment IDI20090414000369
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

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.
20 services14 patients

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.

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.

Nurse Practitioner (Family)
133 BROOKLINE AVE
BOSTON, MA 02215
Nurse Practitioner (Adult Health)
133 BROOKLINE AVE
BOSTON, MA 02215
Psychiatry & Neurology (Psychiatry)
133 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine
133 BROOKLINE AVE, INTERNAL MEDICINE
BOSTON, MA 02215
Social Worker
133 BROOKLINE AVE
BOSTON, MA 02215
Registered Nurse
133 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
133 BROOKLINE AVE
BOSTON, MA 02215
Technician/Technologist (Optician)
133 BROOKLINE AVE
BOSTON, MA 02215

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 Derek Hersey's NPI number?

The NPI number for Derek Hersey is 1114981289. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Derek Hersey located?

Derek Hersey practices at 133 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 421-2194.

What is Derek Hersey's specialty?

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

Is Derek Hersey enrolled in Medicare?

Yes. Derek Hersey 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 Derek Hersey accept?

Health plans from Anthem Blue Cross and Blue Shield list Derek Hersey 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.

When was this NPI record last updated?

The NPPES record for Derek Hersey was last updated on January 8, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.