Shannon Flaherty Kostin, MD
Pediatrics Physician · Morristown, NJ
Shannon Flaherty Kostin, MD is a pediatrics physician with a practice address in Morristown, New Jersey, and NPI 1922567841, issued on Mar 19, 2019. Check the license (New Jersey 25MA11785900, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Shannon Flaherty Kostin
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 25MA11785900 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Madison Ave, Morristown, NJ 07960
- Phone
- (718) 283-6879
- Enumerated
- Mar 19, 2019
- Record last updated
- Oct 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20251014003789); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,181 in New Jersey → Look up another NPI →
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Verify Shannon Flaherty Kostin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA11785900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Shannon Flaherty Kostin among 2,181 pediatrics physician records in New Jersey
Shannon Flaherty Kostin, MD is one of 2,181 pediatrics physician records with a practice address in New Jersey. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 6% newer
- In a Medicare fileNo · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 7% of these records are
- Graduated2019 · median 2004 among the 156 with a school on file
- Record last updated2025 · 69% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 pediatrics physician records list a practice address in Morristown
They are 56 of the 2,942 NPPES records with a practice address in Morristown, and 2,181 pediatrics physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,181 in New Jersey → Every provider in Morristown → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Martin Cohen, M.D.Morristown, NJ 079601376513465
- Patricia Cucolo, MDMorristown, NJ 079601598731879
- Sabrina Destefano, D.O.Morristown, NJ 079601336161496
- Donald Hoelzel, MDMorristown, NJ 079601194797456
- Shelley Lanzkowsky, M.D.Morristown, NJ 079601992776942
- Maria Lavaia, MDMorristown, NJ 079601538162094
- Stephanie Lodish, MDMorristown, NJ 079601578530267
- William Lupatkin, M.D.,PH.D.Morristown, NJ 079601891768156
Common questions
What is Shannon Flaherty Kostin, MD's NPI number?
Shannon Flaherty Kostin, MD's National Provider Identifier (NPI) is 1922567841, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Shannon Flaherty Kostin, MD located?
The NPPES record lists a practice address at 100 Madison Ave, Morristown, NJ, 07960. Phone: (718) 283-6879. Providers update this record themselves, so call before visiting.
How can I verify Shannon Flaherty Kostin, MD's license?
NPPES lists New Jersey license number 25MA11785900, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. 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. 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.