KATHERINE LAURA OLSHAN MD
NPI 1932596855
Pediatrics - Pediatric Gastroenterology in Worcester, MA

Active since April 17, 2015PECOS EnrolledAccepts Medicare Assignment
55 LAKE AVE N, WORCESTER, MA 01655(508) 334-1000 Get Directions Write a Review

NPPES record last updated: June 17, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 17, 2021, Feb 28, 2018 (2 updates tracked since 2018).

About Katherine Laura Olshan Md NPPES

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

KATHERINE LAURA OLSHAN MD (NPI 1932596855) is an individual pediatric gastroenterology provider in Worcester, Massachusetts, licensed in Massachusetts (263752) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (2015).

NPPES Registry Identity

NPI1932596855
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameKATHERINE LAURA OLSHANCredential: MD
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing Address55 Fruit StBoston, MA 02114-2621 · (253) 905-6769
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2015
Enumeration DateApril 17, 2015
Last NPPES UpdateJune 17, 20212 updates tracked since enumeration
NPPES CertifiedJune 17, 2021
NPI 1932596855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License Licensed in MA · 263752
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
Also ListedPediatricsTaxonomy 208000000X · License 263752 (MA)
55 LAKE AVE N, Worcester, MA 01655

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Katherine Laura Olshan 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 ID3577872522
PECOS Enrollment IDI20210910002253
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01655 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
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 20

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

Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655

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 Katherine Olshan's NPI number?

The NPI number for Katherine Olshan is 1932596855. It was assigned to this individual provider in the NPPES registry on April 17, 2015.

Where is Katherine Olshan located?

Katherine Olshan practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-1000.

What is Katherine Olshan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Katherine Olshan enrolled in Medicare?

Yes. Katherine Olshan 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.

What insurance does Katherine Olshan accept?

Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Katherine Olshan 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 Katherine Olshan was last updated on June 17, 2021. 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.