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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JULIO FERNANDO MARTINEZ
NPI 1104289107
Internal Medicine in Cambridge, MA

Active since March 29, 2016PECOS Enrolled
1493 CAMBRIDGE ST, CAMBRIDGE, MA 02139(617) 665-1264 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 23, 2026, Mar 29, 2016 (2 updates tracked since 2016).

About Julio Fernando Martinez NPPES

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

JULIO FERNANDO MARTINEZ (NPI 1104289107) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (1026728) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1104289107
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJULIO FERNANDO MARTINEZ
Location Address1493 CAMBRIDGE STCambridge, MA 02139-1047
Mailing Address2127 Lyric AveLos Angeles, CA 90027-4753 · (323) 397-5869
Phone(617) 665-1264
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 29, 2016
Last NPPES UpdateJuly 23, 20262 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1104289107 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 1026728
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1493 CAMBRIDGE ST, Cambridge, MA 02139
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Secondary Practice Location 1

Location 12127 Lyric AveLos Angeles, CA 90027-4753 · Phone (323) 397-5869

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and more.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

Julio Fernando Martinez 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 ID7012248578
PECOS Enrollment IDI20260422001731
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02139 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

ZACHARY OLIFF DO
Emergency Medicine
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1000
JACOB DYLAN WOLFE LICSW
Social Worker (Clinical)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1646
SARAH-JO SANTILLI RN
Registered Nurse
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 272-6455
JULIE LYNNE MERCER
Registered Nurse
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 591-4212
TAIANA KATSARAS LICSW
Social Worker (Clinical)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1185
ANGELA DE SILVA
Registered Nurse (Ambulatory Care)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1000
RORY HAUSER
Registered Nurse (Neonatal, Low-Risk)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (802) 595-9868
CASEY TRAN
Occupational Therapist
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1000

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 Julio Martinez's NPI number?

The NPI number for Julio Martinez is 1104289107. It was assigned to this individual provider in the NPPES registry on March 29, 2016.

Where is Julio Martinez located?

Julio Martinez practices at 1493 Cambridge St, Cambridge, MA 02139. The listed phone number is (617) 665-1264.

What is Julio Martinez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Julio Martinez enrolled in Medicare?

Yes. Julio Martinez 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 Julio Martinez accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC list Julio Martinez 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 Julio Martinez was last updated on July 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.