MARIANA AZER M.D.
NPI 1710263058
Pediatrics in Sterling, MA

Active since November 01, 2011PECOS Enrolled
225 LEOMINSTER RD, STERLING, MA 01564(978) 422-6900(978) 466-7561 Get Directions Write a Review

NPPES record last updated: November 16, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mariana Azer M.d. NPPES

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

MARIANA AZER M.D. (NPI 1710263058) is an individual pediatrics provider in Sterling, Massachusetts, licensed in Massachusetts (256361) and active in the NPI registry since November 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710263058
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARIANA AZERCredential: M.D.
Location Address225 LEOMINSTER RDSterling, MA 01564-2148
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977
Fax(978) 466-7561
Sole ProprietorNo
Enumeration DateNovember 1, 2011
Last NPPES UpdateNovember 16, 2020
NPPES CertifiedNovember 16, 2020
✔ NPI 1710263058 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 256361
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
225 LEOMINSTER RD, Sterling, MA 01564

Other Identifiers 1

Medicaid110096927AMA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mariana Azer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Mariana Azer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01564 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
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 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
225 LEOMINSTER RD
STERLING, MA 01564
Dentist (Orthodontics and Dentofacial Orthopedics)
225 LEOMINSTER RD
STERLING, MA 01564
Pediatrics
225 LEOMINSTER RD
STERLING, MA 01564
Dentist (Orthodontics and Dentofacial Orthopedics)
225 LEOMINSTER RD
STERLING, MA 01564
Pediatrics
225 LEOMINSTER RD
STERLING, MA 01564
Pediatrics
225 LEOMINSTER RD
STERLING, MA 01564
Pediatrics
225 LEOMINSTER RD
STERLING, MA 01564
Pediatrics
225 LEOMINSTER RD
STERLING, MA 01564

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 Mariana Azer's NPI number?

The NPI number for Mariana Azer is 1710263058. It was assigned to this individual provider in the NPPES registry on November 1, 2011.

Where is Mariana Azer located?

Mariana Azer practices at 225 Leominster Rd, Sterling, MA 01564. The listed phone number is (978) 422-6900.

What is Mariana Azer's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Mariana Azer enrolled in Medicare?

Yes. Mariana Azer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mariana Azer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariana Azer reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). The 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 Mariana Azer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mariana Azer accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Mariana Azer 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 Mariana Azer was last updated on November 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.