DR. MARTIN ANDREANSKY MD, PHD
NPI 1275505067
Pediatrics - Pediatric Hematology-Oncology in Hartford, CT

Active since February 06, 2006PECOS EnrolledAccepts Medicare Assignment
282 WASHINGTON ST, HARTFORD, CT 06106(860) 545-9630 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 6, 2026, Jan 9, 2020, Jan 3, 2020 and 1 more (4 updates tracked since 2019).

About Dr. Martin Andreansky Md, Phd NPPES

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

DR. MARTIN ANDREANSKY MD, PHD (NPI 1275505067) is an individual pediatric hematology-oncology provider in Hartford, Connecticut, licensed in Texas (S2218) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Antonio, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1275505067
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameDR. MARTIN ANDREANSKYCredential: MD, PHD
Location Address282 WASHINGTON STHartford, CT 06106-3322
Mailing Address315 N San Saba Ste 1135San Antonio, TX 78207-3255 · (210) 704-3030 · Fax (210) 704-4527
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateFebruary 6, 2006
Last NPPES UpdateFebruary 17, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2026
✔ NPI 1275505067 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
Licenses✔ Licensed in TX · S2218✔ Licensed in CT · 83728
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
282 WASHINGTON ST, Hartford, CT 06106

Secondary Practice Location 1

Location 1333 N Santa Rosa StSan Antonio, TX 78207-3108 · Phone (210) 704-2187 · Fax (210) 704-2128

Accepted Insurance

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

Dr. Martin Andreansky Md, Phd 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 ID8426021502
PECOS Enrollment IDI20191001003052
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

3

Medicare enrollment records show Martin Andreansky reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
282 WASHINGTON ST
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 601 clinicians in this Medicare group
Ambulatory Surgical
7103 FAIRWAY DR
Palm Beach Gardens, FL 33418
  • Reassigned Medicare billing, Florida enrollment
  • 3,639 clinicians in this Medicare group
Pediatrics
333 N SANTA ROSA
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 453 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.

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.

Pediatrics (Pediatric Cardiology)
282 WASHINGTON ST
HARTFORD, CT 06106
Pediatrics
282 WASHINGTON ST
HARTFORD, CT 06106
Student in an Organized Health Care Education/Training Program
282 WASHINGTON ST
HARTFORD, CT 06106
Pediatrics (Neonatal-Perinatal Medicine)
282 WASHINGTON ST
HARTFORD, CT 06106
Pediatrics (Pediatric Pulmonology)
282 WASHINGTON ST
HARTFORD, CT 06106
Physician Assistant (Surgical)
282 WASHINGTON ST
HARTFORD, CT 06106
Student in an Organized Health Care Education/Training Program
282 WASHINGTON ST
HARTFORD, CT 06106
Emergency Medicine
282 WASHINGTON ST
HARTFORD, CT 06106

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 Martin Andreansky's NPI number?

The NPI number for Martin Andreansky is 1275505067. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is Martin Andreansky located?

Martin Andreansky practices at 282 Washington St, Hartford, CT 06106. The listed phone number is (860) 545-9630.

What is Martin Andreansky's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Martin Andreansky enrolled in Medicare?

Yes. Martin Andreansky 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 Martin Andreansky's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martin Andreansky reassigns Medicare benefits to 3 organizations: Connecticut Children's Specialty Group, Inc. (Hartford, CT), University Of Miami (Palm Beach Gardens, FL) and Baylor College Of Medicine (San Antonio, TX). 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 Martin Andreansky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Martin Andreansky accept?

Health plans from Anthem Blue Cross and Blue Shield and CHRISTUS Health Plan list Martin Andreansky 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 Martin Andreansky was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.