ALLISON K. MESARIS D.O.
NPI 1508863614
Pediatrics in West Reading, PA

Q: What is Allison Mesaris's NPI number?

The NPI number for Allison Mesaris is 1508863614. It was assigned to this individual provider in the NPPES registry on July 5, 2005.

Q: What is Allison Mesaris's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Allison Mesaris was last updated on April 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since July 05, 2005PECOS Enrolled

206 S 6TH AVE, WEST READING, PA 19611(610) 988-5437(610) 988-4242 Get Directions Write a Review

NPPES record last updated: April 11, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Allison K. Mesaris D.o. NPPES

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

ALLISON K. MESARIS D.O. (NPI 1508863614) is an individual pediatrics provider in West Reading, Pennsylvania, licensed in Pennsylvania (OS012039) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508863614

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameALLISON K. MESARISCredential: D.O.

Location Address206 S 6TH AVEWest Reading, PA 19611-1411

Mailing AddressPo Box 13579Reading, PA 19612-3579 · (484) 628-0799

Phone(610) 988-5437

Fax(610) 988-4242

Sole ProprietorNo

Enumeration DateJuly 5, 2005

Last NPPES UpdateApril 11, 2018

✔ NPI 1508863614 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in PA · OS012039

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.

206 S 6TH AVE, West Reading, PA 19611

Open in Google Maps ↗

Other Identifiers 1

Medicaid101328168PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allison K. Mesaris D.o. 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 Reassignments

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

Reading Hospital

Same address

Pediatrics

206 S 6TH AVE
West Reading, PA 19611

Reassigned Medicare billing, Pennsylvania enrollment
399 clinicians in this Medicare group

NPI 1497844831 (484) 628-5437

Tower Health Medical Group

Same address

Neurological Surgery

601 SPRUCE ST
West Reading, PA 19611

Reassigned Medicare billing, Pennsylvania enrollment
1,473 clinicians in this Medicare group

NPI 1619272663 (610) 375-4567

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 19611 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

$84.88 typical visit price

range $54.64 – $166.87

Typical copayment $21.22 (range $13.66 – $41.71)

Most-billed visit code 99203

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 13

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

OLUBUNMI K. OJIKUTU M.D.

Pediatrics

206 S 6TH AVE
WEST READING, PA 19611

Berks County (610) 988-5437

DR. RENEE E RIDDLE MD

Pediatrics

206 S 6TH AVE
WEST READING, PA 19611

Berks County (484) 628-5437

RAMESH MATAM M.D

Pediatrics

206 S 6TH AVE
READING, PA 19611

Berks County (610) 988-5437

MARYANN GLOCKER C.R.N.P.

Nurse Practitioner

206 S 6TH AVE
WEST READING, PA 19611

Berks County (610) 988-5437

FATIR MURTAZA MD

Pediatrics

206 S 6TH AVE
WEST READING, PA 19611

Berks County (484) 628-5437

READING HOSPITAL

Pediatrics

206 S 6TH AVE
WEST READING, PA 19611

Berks County (484) 628-5437

READING HOSPITAL

Pediatrics (Neonatal-Perinatal Medicine)

206 S 6TH AVE
WEST READING, PA 19611

Berks County (484) 628-5437

CYNTHIA DIMOVITZ C.R.N.P.

Nurse Practitioner

206 S 6TH AVE
WEST READING, PA 19611

Berks County (610) 988-5437

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 Allison Mesaris's NPI number?

The NPI number for Allison Mesaris is 1508863614. It was assigned to this individual provider in the NPPES registry on July 5, 2005.

Where is Allison Mesaris located?

Allison Mesaris practices at 206 S 6th Ave, West Reading, PA 19611. The listed phone number is (610) 988-5437.

What is Allison Mesaris's specialty?

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

Is Allison Mesaris enrolled in Medicare?

Yes. Allison Mesaris is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Allison Mesaris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Mesaris reassigns Medicare benefits to 2 organizations: Reading Hospital (West Reading, PA) and Tower Health Medical Group (West Reading, 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 Allison Mesaris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Allison Mesaris accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Allison Mesaris 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 Allison Mesaris was last updated on April 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.