THERESA WEISS DO
NPI 1538780291
Internal Medicine - Cardiovascular Disease in Allentown, PA

Active since May 04, 2020PECOS Enrolled
1250 S CEDAR CREST BLVD STE 300, ALLENTOWN, PA 18103(610) 402-3110 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 24, 2026, Jun 7, 2023, May 4, 2020 (3 updates tracked since 2020).

About Theresa Weiss Do NPPES

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

THERESA WEISS DO (NPI 1538780291) is an individual cardiovascular disease provider in Allentown, Pennsylvania, licensed in Pennsylvania (OS021637) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538780291
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameTHERESA WEISSCredential: DO
Location Address1250 S CEDAR CREST BLVD STE 300Allentown, PA 18103-6381
Mailing Address2100 Mack Blvd Fl 4Allentown, PA 18103-5622
Sole ProprietorNo
Enumeration DateMay 4, 2020
Last NPPES UpdateAugust 24, 20263 updates tracked since enumeration
NPPES CertifiedAugust 24, 2026
✔ NPI 1538780291 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in PA · OS021637
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
1250 S CEDAR CREST BLVD STE 300, Allentown, PA 18103

Other Names 1

Former Name (1)Theresa Maitz Do

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)

Theresa Weiss Do 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 Theresa Weiss reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychiatry
1250 S CEDAR CREST BLVD, SUITE 410
Allentown, PA 18103
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,895 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 18103 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
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
Most-billed visit code 99213
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.

Internal Medicine (Interventional Cardiology)
1250 S CEDAR CREST BLVD STE 300
ALLENTOWN, PA 18103
Internal Medicine (Cardiovascular Disease)
1250 S CEDAR CREST BLVD STE 300
ALLENTOWN, PA 18103
Nurse Practitioner (Family)
1250 S CEDAR CREST BLVD STE 300
ALLENTOWN, PA 18103
Internal Medicine (Cardiovascular Disease)
1250 S CEDAR CREST BLVD STE 300
ALLENTOWN, PA 18103
Internal Medicine (Cardiovascular Disease)
1250 S CEDAR CREST BLVD STE 300
ALLENTOWN, PA 18103
Internal Medicine (Cardiovascular Disease)
1250 S CEDAR CREST BLVD STE 300
ALLENTOWN, PA 18103
Internal Medicine (Interventional Cardiology)
1250 S CEDAR CREST BLVD STE 300
ALLENTOWN, PA 18103
Nurse Practitioner (Acute Care)
1250 S CEDAR CREST BLVD STE 300
ALLENTOWN, PA 18103

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 Theresa Weiss's NPI number?

The NPI number for Theresa Weiss is 1538780291. It was assigned to this individual provider in the NPPES registry on May 4, 2020. The provider is also known as Theresa Maitz Do.

Where is Theresa Weiss located?

Theresa Weiss practices at 1250 S Cedar Crest Blvd Ste 300, Allentown, PA 18103. The listed phone number is (610) 402-3110.

What is Theresa Weiss's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Theresa Weiss enrolled in Medicare?

Yes. Theresa Weiss is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Theresa Weiss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Weiss reassigns Medicare benefits to Lehigh Valley Physician Group (Allentown, PA). 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 Theresa Weiss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Theresa Weiss accept?

Health plans from Ambetter Health and Ambetter from Buckeye Health Plan list Theresa Weiss 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 Theresa Weiss was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.