DR. JENNIFER LEA DEARBORN-TOMAZOS M.D.
NPI 1144457755
Psychiatry & Neurology - Neurology in Brockton, MA

Q: What is Jennifer Dearborn-tomazos's NPI number?

The NPI number for Jennifer Dearborn-tomazos is 1144457755. It was assigned to this individual provider in the NPPES registry on June 22, 2009.

Q: What is Jennifer Dearborn-tomazos's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Active since June 22, 2009PECOS EnrolledAccepts Medicare Assignment

680 CENTRE ST, BROCKTON, MA 02302(508) 941-7000 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 29, 2026, Jun 15, 2017 (2 updates tracked since 2017).

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About Dr. Jennifer Lea Dearborn-tomazos M.d. NPPES

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

DR. JENNIFER LEA DEARBORN-TOMAZOS M.D. (NPI 1144457755) is an individual neurology provider in Brockton, Massachusetts, licensed in Massachusetts (1026426) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and maintains a secondary practice location in New Haven.

NPPES Registry Identity

NPI1144457755

Entity TypeIndividualFemale

Primary Taxonomy2084N0400X

Provider Legal NameDR. JENNIFER LEA DEARBORN-TOMAZOSCredential: M.D.

Location Address680 CENTRE STBrockton, MA 02302-3308

Mailing Address15 York Street, Llci 912, Yale University Department Of NeurologyNew Haven, CT 06520-3221 · (203) 737-1057

Phone(508) 941-7000

Sole ProprietorNo

Medical School CMSUniversity Of Connecticut School Of MedicineGraduated 2009

Enumeration DateJune 22, 2009

Last NPPES UpdateApril 29, 20262 updates tracked since enumeration

NPPES CertifiedApril 29, 2026

✔ NPI 1144457755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

Licenses✔ Licensed in MA · 1026426✔ Licensed in CT · 53070

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Also ListedPsychiatry & Neurology · Vascular NeurologyTaxonomy 2084V0102X · License 53070 (CT)

680 CENTRE ST, Brockton, MA 02302

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Secondary Practice Location 1

Location 115 York Street, LLCI 912, Yale University Department of NeurologyNew Haven, CT 06520-3221 · Phone (203) 737-1057

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jennifer Lea Dearborn-tomazos M.d. 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 ID4789834425

PECOS Enrollment IDI20181105000683

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.

Medicare Billing Reassignments

Medicare enrollment records show Jennifer Dearborn-tomazos reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Signature Healthcare Medical Group Inc

4.2 mi

Internal Medicine

110 LIBERTY ST
Brockton, MA 02301

Reassigned Medicare billing, Massachusetts enrollment
409 clinicians in this Medicare group

NPI 1508804949 (508) 894-0400

Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is

18 mi

Neurology

148 CHESTNUT ST
Needham, MA 02492

Reassigned Medicare billing, Massachusetts enrollment
Also billed through NPI 1861216038 (Massachusetts)
10 clinicians in this Medicare group

NPI 1487162426 (781) 453-3696

Beth Israel Deaconess Medical Center, Inc.

18 mi

General Acute Care Hospital

330 BROOKLINE AVE, ST 207
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
1,477 clinicians in this Medicare group

NPI 1548202641 (617) 667-1961

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

18 mi

Internal Medicine

330 BROOKLINE AVE
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
Also billed through NPI 1992745236 (Massachusetts)
2,579 clinicians in this Medicare group

NPI 1194765438 (617) 754-9600

Seacoast Affiliated Group Practice, Inc.

50 mi

Clinic/Center

25 HIGHLAND AVE
Newburyport, MA 01950

Reassigned Medicare billing, Massachusetts enrollment
90 clinicians in this Medicare group

NPI 1801892344 (978) 463-1390

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

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.

249 services85 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

112 services46 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.

104 services56 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.

93 services74 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.

62 services62 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

56 services55 patients

Hospital Affiliations CMS Care Compare 5

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

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220002

Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County

Emergency services Birthing friendly

Anna Jaques Hospital

Acute Care Hospitals · Newburyport, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220029

Location25 Highland AvenueNewburyport, MA 01950 · Essex County

Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220083

Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County

Emergency services

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220086

Location330 Brookline AvenueBoston, MA 02215 · Suffolk County

Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Milton

Acute Care Hospitals · Milton, MA

4/5 CMS rating

OwnershipGovernment - Federal

CMS Certification Number220108

Location199 Reedsdale RoadMilton, MA 02186 · Norfolk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02302 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

$134.47 typical visit price

range $58.86 – $177.36

Typical copayment $33.61 (range $14.71 – $44.34)

Most-billed visit code 99204

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.

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.

LOUIS D. GOTTLIEB M.D.

Internal Medicine

680 CENTRE ST, MANAGED CARE
BROCKTON, MA 02302

Plymouth County (508) 941-7065

MS. JAMIE CHYAT PA-C

Physician Assistant

680 CENTRE ST
BROCKTON, MA 02302

Plymouth County (508) 941-7000

BRANDEN M TURNER LMHC

Counselor (Mental Health)

680 CENTRE ST
BROCKTON, MA 02302

Plymouth County (508) 941-7228

CARLY ALEXANDRA CARLIN MD

Psychiatry & Neurology (Psychiatry)

680 CENTRE ST
BROCKTON, MA 02302

Plymouth County (508) 941-7228

DR. ANGEL TAYLOR MD

Student in an Organized Health Care Education/Training Program

680 CENTRE ST
BROCKTON, MA 02302

Plymouth County (508) 974-7000

DR. DESIREE A CARLSON MD

Pathology (Anatomic Pathology & Clinical Pathology)

680 CENTRE ST, PATHOLOGY DEPARTMENT
BROCKTON, MA 02302

Plymouth County (508) 941-7414

DEMIN MA M.D.

Psychiatry & Neurology (Psychiatry)

680 CENTRE ST
BROCKTON, MA 02302

Plymouth County (508) 941-7228

JENNIFER L. BUNKER

Social Worker

680 CENTRE ST
BROCKTON, MA 02302

Plymouth County (508) 941-7268

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 Jennifer Dearborn-tomazos's NPI number?

The NPI number for Jennifer Dearborn-tomazos is 1144457755. It was assigned to this individual provider in the NPPES registry on June 22, 2009.

Where is Jennifer Dearborn-tomazos located?

Jennifer Dearborn-tomazos practices at 680 Centre St, Brockton, MA 02302. The listed phone number is (508) 941-7000.

What is Jennifer Dearborn-tomazos's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Jennifer Dearborn-tomazos enrolled in Medicare?

Yes. Jennifer Dearborn-tomazos 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.

Which organizations bill Medicare for Jennifer Dearborn-tomazos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Dearborn-tomazos reassigns Medicare benefits to 5 organizations: Signature Healthcare Medical Group Inc (Brockton, MA), Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Needham, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA) and Seacoast Affiliated Group Practice, Inc. (Newburyport, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Dearborn-tomazos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Dearborn-tomazos accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Jennifer Dearborn-tomazos 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 Jennifer Dearborn-tomazos affiliated with any hospitals?

According to CMS data, Jennifer Dearborn-tomazos is affiliated with Mount Auburn Hospital, Anna Jaques Hospital, Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center and Beth Israel Deaconess Hospital - Milton.

When was this NPI record last updated?

The NPPES record for Jennifer Dearborn-tomazos was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.