Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert E Kossack, MD

Pediatrics Physician in Shrewsbury, MA · enumerated 2006 · practices at Quest Diagnostics Massachusetts LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1912962051

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Robert E Kossack

Credential MD

Sex Male

Practice address 378 Maple Ave, Shrewsbury, MA, 01545

Phone (508) 852-8571

Fax (508) 535-1662

Enumeration date Apr 20, 2006

Last updated in NPPES Mar 26, 2019

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 157064 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
5978731	Other	-	AETNA US HEALTHCARE
J19477	Other	-	BLUE SHIELD HMO BLUE
AA1175	Other	-	HARVARD PILGRIM HEALTHCAR
042472266	Other	-	ONE HEALTH PLAN
3185290	Medicaid	MA	-
784155	Other	-	MVP HEALTH CARE
J19477	Other	-	BLUE CARE ELECT
042472266	Other	-	HEALTHCARE VALUE MANAGEME
042472266	Other	-	PRIVATE HEALTHCARE SYSTEM
33366	Other	-	CHILDRENS MEDICAL SECURIT
J19477	Other	-	BLUE SHIELD INDEMNITY
042472266	Other	-	THREE RIVERS
3356112	Other	-	CIGNA HEALTH PLAN
2039833	Other	-	FIRST HEALTH
33721	Other	-	FALLON COMMUNITY HEALTH
3185290	Other	-	WELFARE
33366	Other	-	HEALTHY START

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Robert Kossack practice?

The practice location on file with NPPES is in Shrewsbury, MA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Robert Kossack?

The National Provider Identifier (NPI) for Robert Kossack is 1912962051, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Susan Robinson Pediatrics Physician · Shrewsbury, MA NPI 1457359275 Janet Slota Pediatrics Physician · Shrewsbury, MA NPI 1871575035 Preeti Jain Internal Medicine Physician · Shrewsbury, MA NPI 1801860192 Kenneth Kronlund Internal Medicine Physician · Shrewsbury, MA NPI 1174584643 Smita Parulkar Internal Medicine Physician · Shrewsbury, MA NPI 1922060607 Sabitha Gopalswamy Internal Medicine Physician · Shrewsbury, MA NPI 1841253234 Kathleen Ogrady Internal Medicine Physician · Shrewsbury, MA NPI 1831141688 Quest Diagnostics Massachusetts LLC Clinical Medical Laboratory · Shrewsbury, MA NPI 1801814868

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-03-26.