NPPES file of Aug 9, 2026

Robert E. Kossack, MD

Pediatrics Physician · Shrewsbury, MA

Robert E. Kossack, MD is a pediatrics physician with a practice address in Shrewsbury, Massachusetts, and NPI 1912962051, issued on Apr 20, 2006. Check the license (Massachusetts 157064, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912962051
Name
Robert E. Kossack
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
157064 MA
Self-reported in NPPES; status is on the state search
Practice location
378 Maple Ave, Shrewsbury, MA 01545
Phone
(508) 852-8571
Enumerated
Apr 20, 2006
Record last updated
Mar 26, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(508) 535-1662
Medicaid ID
3185290 MA
Medicare enrollment
Enrolled (PECOS I20040330001096); accepts Medicare assignment
Medical or professional school
University Of Virginia School Of Medicine, 1980
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 378 Maple Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Demetrios Carellas, PA-CPhysician Assistant1568133072
  2. Jessica Erickson, FNPFamily Nurse Practitioner1891211603
  3. Neha Esmaeili, MDPediatrics Physician1689203382
  4. Florence Gichuhi, NPPrimary Care Nurse Practitioner1548742364
  5. Sabitha Gopalswamy, MDInternal Medicine Physician1841253234
  6. Prashantha Holla, MDInternal Medicine Physician1174663207

Verify Robert E. Kossack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 157064
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $34.19

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Kossack$34.19
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Reliant Medical Group IncShrewsbury, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert E. Kossack among 2,628 pediatrics physician records in Massachusetts

Robert E. Kossack, MD is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 48% newer
  • In a Medicare fileYes · 25% of these records are
  • In the CMS Doctors and Clinicians fileYes · 12% of these records are
  • Graduated1980 · median 2010 among the 319 with a school on file
  • Record last updated2019 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 pediatrics physician records list a practice address in Shrewsbury

They are 9 of the 550 NPPES records with a practice address in Shrewsbury, and 2,628 pediatrics physician records in Massachusetts.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Neha Esmaeili, MDShrewsbury, MA 015451689203382
  2. John Gallagher, M.D.Shrewsbury, MA 015451588612683
  3. Catrina Goulet, MDShrewsbury, MA 015451124723879
  4. Danielle Moncrieffe, MDShrewsbury, MA 015451952625766
  5. Stacy Nichols-Byll, M.D.Shrewsbury, MA 015451487624607
  6. Gwenn O'Keeffe, M.D.Shrewsbury, MA 015451245201375
  7. Susan Robinson, M.D.Shrewsbury, MA 015451457359275
  8. Janet Slota, M.D.Shrewsbury, MA 015451871575035

Common questions

What is Robert E. Kossack, MD's NPI number?

Robert E. Kossack, MD's National Provider Identifier (NPI) is 1912962051, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert E. Kossack, MD located?

The NPPES record lists a practice address at 378 Maple Ave, Shrewsbury, MA, 01545. Phone: (508) 852-8571. Providers update this record themselves, so call before visiting.

How can I verify Robert E. Kossack, MD's license?

NPPES lists Massachusetts license number 157064, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.