EMILIYA ZAREVA MD
NPI 1104491851
Internal Medicine - Endocrinology, Diabetes & Metabolism in Bethlehem, PA

Active since May 25, 2021PECOS EnrolledAccepts Medicare Assignment
2591 BAGLYOS CIR STE C49, BETHLEHEM, PA 18020(484) 526-1000 Get Directions Write a Review

NPPES record last updated: June 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Emiliya Zareva Md NPPES

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

EMILIYA ZAREVA MD (NPI 1104491851) is an individual endocrinology, diabetes & metabolism provider in Bethlehem, Pennsylvania, licensed in Pennsylvania (MD496019) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with St Luke's Warren Hospital, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1104491851
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameEMILIYA ZAREVACredential: MD
Location Address2591 BAGLYOS CIR STE C49Bethlehem, PA 18020-8058
Mailing Address2591 Baglyos Cir Ste C49Bethlehem, PA 18020-8058 · (484) 526-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateMay 25, 2021
Last NPPES UpdateJune 12, 2026
NPPES CertifiedJune 12, 2026
✔ NPI 1104491851 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in PA · MD496019
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
2591 BAGLYOS CIR STE C49, Bethlehem, PA 18020

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

Emiliya Zareva Md 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 ID3779003066
PECOS Enrollment IDI20260716000286
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

2

Medicare enrollment records show Emiliya Zareva reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatric Allergy/Immunology
2571 BAGLYOS CIR STE B29
Bethlehem, PA 18020
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: St Lukes Physician Group Inc
  • 2,851 clinicians in this Medicare group
General Practice
511 E 3RD ST STE 202
Bethlehem, PA 18015
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 318 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.

Hospital Affiliations CMS Care Compare 3

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

St Luke's Warren Hospital

Acute Care Hospitals · Phillipsburg, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310060
Location185 Roseberry StPhillipsburg, NJ 08865 · Warren County
Emergency services

St Luke's Hospital Bethlehem

Acute Care Hospitals · Bethlehem, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390049
Location801 Ostrum StreetBethlehem, PA 18015 · Northampton County
Emergency services Birthing friendly

Grand View Health

Acute Care Hospitals · Sellersville, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390057
Location700 Lawn AvenueSellersville, PA 18960 · Bucks County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18020 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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

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

Dietitian, Registered
2591 BAGLYOS CIR STE C49
BETHLEHEM, PA 18020

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 Emiliya Zareva's NPI number?

The NPI number for Emiliya Zareva is 1104491851. It was assigned to this individual provider in the NPPES registry on May 25, 2021.

Where is Emiliya Zareva located?

Emiliya Zareva practices at 2591 Baglyos Cir Ste C49, Bethlehem, PA 18020. The listed phone number is (484) 526-1000.

What is Emiliya Zareva's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Emiliya Zareva enrolled in Medicare?

Yes. Emiliya Zareva 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 Emiliya Zareva's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emiliya Zareva reassigns Medicare benefits to 2 organizations: St. Luke's Physician Group, Inc. (Bethlehem, PA) and Star Community Health, Inc (Bethlehem, PA). 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 Emiliya Zareva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Emiliya Zareva affiliated with any hospitals?

According to CMS data, Emiliya Zareva is affiliated with St Luke's Warren Hospital, St Luke's Hospital Bethlehem and Grand View Health.

When was this NPI record last updated?

The NPPES record for Emiliya Zareva was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.