John Warren Sullivan, MD
Clinical Neurophysiology Physician · Longmeadow, MA
John Warren Sullivan, MD is a clinical neurophysiology physician with a practice address in Longmeadow, Massachusetts, and NPI 1275506578, issued on Feb 8, 2006. Check the license (Massachusetts 35840, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Warren Sullivan
- Credential
- MD
- Primary taxonomy
- Clinical Neurophysiology Physician 2084N0600X
- License number
- 35840 MA
Self-reported in NPPES; status is on the state search - Practice location
- 175 Dwight RD, Longmeadow, MA 01106
- Phone
- (413) 737-4746
- Enumerated
- Feb 8, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (413) 565-2297
- Entity
- Type 1 · individual
8 nearest clinical neurophysiology physician records → All 17 in Massachusetts → Look up another NPI →
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Verify John Warren Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 35840Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Warren Sullivan among 17 clinical neurophysiology physician records in Massachusetts
John Warren Sullivan, MD is one of 17 clinical neurophysiology physician records with a practice address in Massachusetts. 71% 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 2006, is newer than 24% of them.
- NPI issued2006 · 24% of these records are older, 53% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0600X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Neurophysiology Physician providers in Massachusetts
There are 17 clinical neurophysiology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17 in Massachusetts → Every provider in Longmeadow → Clinical Neurophysiology Physician nationwide →
The 8 clinical neurophysiology physician records with the nearest ZIP codes
- Jonathan Tisdell, MDWorcester, MA 016081528235447
- Lan Qin, MDWorcester, MA 016551154303170
- Ritu Bagla, MDBurlington, MA 018051043486632
- Gina Deck, MDBurlington, MA 018051255642286
- Kyle Rossi, M.D.Burlington, MA 018051760809743
- Drasko Simovic, MDLawrence, MA 018411306844220
- Peter Warinner, M.D.Lynnfield, MA 019401447214283
- Zimbul Albo, M.D.Boston, MA 021111346572617
Common questions
What is John Warren Sullivan, MD's NPI number?
John Warren Sullivan, MD's National Provider Identifier (NPI) is 1275506578, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Warren Sullivan, MD located?
The NPPES record lists a practice address at 175 Dwight RD, Longmeadow, MA, 01106. Phone: (413) 737-4746. Providers update this record themselves, so call before visiting.
How can I verify John Warren Sullivan, MD's license?
NPPES lists Massachusetts license number 35840, 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. 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.