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JULIAN J MALDONADO-ALERS MD
NPI 1922689157
Internal Medicine in Boston, MA

Active since April 19, 2021PECOS Enrolled
801 MASSACHUSSETTS AVE, CROSSTOWN 2, BOSTON, MA 02118(617) 414-7399(617) 414-4676 Get Directions Write a Review

NPPES record last updated: April 30, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 8, 2022, Apr 19, 2021 (2 updates tracked since 2021).

About Julian J Maldonado-alers Md NPPES

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

JULIAN J MALDONADO-ALERS MD (NPI 1922689157) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1024245) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains a secondary practice location in Bayamon.

NPPES Registry Identity

NPI1922689157
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJULIAN J MALDONADO-ALERSCredential: MD
Location Address801 MASSACHUSSETTS AVE, CROSSTOWN 2Boston, MA 02118
Mailing Address960 Massachusetts Ave Ste 2Boston, MA 02118-2690 · Fax (617) 414-4676
Phone(617) 414-7399
Fax(617) 414-4676
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 19, 2021
Last NPPES UpdateApril 30, 20252 updates tracked since enumeration
NPPES CertifiedApril 22, 2025
✔ NPI 1922689157 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 · 1024245
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.
801 MASSACHUSSETTS AVE, Boston, MA 02118
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Secondary Practice Location 1

Location 1100 Ave LaurelBayamon, PR 00956-4816 · Phone (787) 798-3001

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Julian J Maldonado-alers Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7113395443
PECOS Enrollment IDI20250528002982
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.

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

South Shore Hospital

Acute Care Hospitals · South Weymouth, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220100
Location55 Fogg RoadSouth Weymouth, MA 02190 · Norfolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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.

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 Julian Maldonado-alers's NPI number?

The NPI number for Julian Maldonado-alers is 1922689157. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Where is Julian Maldonado-alers located?

Julian Maldonado-alers practices at 801 Massachussetts Ave Crosstown 2, Boston, MA 02118. The listed phone number is (617) 414-7399.

What is Julian Maldonado-alers's specialty?

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

Is Julian Maldonado-alers enrolled in Medicare?

Yes. Julian Maldonado-alers is registered in the Medicare PECOS enrollment system.

Is Julian Maldonado-alers affiliated with any hospitals?

According to CMS data, Julian Maldonado-alers is affiliated with Boston Medical Center and South Shore Hospital.

When was this NPI record last updated?

The NPPES record for Julian Maldonado-alers was last updated on April 30, 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.