NPPES file of Aug 9, 2026

Christopher L. Demasi, DO

Family Medicine Physician · Westfield, NJ

Christopher L. Demasi, DO is a family medicine physician with a practice address in Westfield, New Jersey, and NPI 1194759068, issued on Jul 10, 2006. Check the license (New Jersey 25MB07435900, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1194759068
Name
Christopher L. Demasi
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
25MB07435900 NJ
Self-reported in NPPES; status is on the state search
Practice location
202 Elmer St, Westfield, NJ 07090
Phone
(908) 228-3675
Enumerated
Jul 10, 2006
Record last updated
Jul 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(908) 654-1053
Medicaid ID
0052019 NJ
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 202 Elmer St

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

  1. Michael Alvarez, MDInternal Medicine Physician1255892410
  2. Kimberly Barnum, DOFamily Medicine Physician1730573007
  3. Epifanio Calcara, MDInternal Medicine Physician1790727337
  4. Christian Ellison, MDFamily Medicine Physician1306838305
  5. Adelaine HoldmeyerFamily Medicine Physician1518547553
  6. Danielle Jarvis, APNFamily Nurse Practitioner1013698752

Verify Christopher L. Demasi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MB07435900
    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 New Jersey license search

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Christopher L. Demasi among 2,770 family medicine physician records in New Jersey

Christopher L. Demasi, DO is one of 2,770 family medicine physician records with a practice address in New Jersey. 82% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2019 · 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 207Q00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 family medicine physician records list a practice address in Westfield

They are 14 of the 938 NPPES records with a practice address in Westfield, and 2,770 family medicine physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family medicine physician records with the nearest ZIP codes

  1. Kimberly Barnum, DOWestfield, NJ 070901730573007
  2. Christian Ellison, MDWestfield, NJ 070901306838305
  3. Kateryna Fried, MDWestfield, NJ 070901295364636
  4. Nicole Henry-Dindial, M.D.Westfield, NJ 070901629174669
  5. Robert Hevert, DOWestfield, NJ 070901073699294
  6. Adelaine HoldmeyerWestfield, NJ 070901518547553
  7. Akanksha Kumar, MDWestfield, NJ 070901144663352
  8. Kathleen Leistikow, MDWestfield, NJ 070901346303906

Common questions

What is Christopher L. Demasi, DO's NPI number?

Christopher L. Demasi, DO's National Provider Identifier (NPI) is 1194759068, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher L. Demasi, DO located?

The NPPES record lists a practice address at 202 Elmer St, Westfield, NJ, 07090. Phone: (908) 228-3675. Providers update this record themselves, so call before visiting.

How can I verify Christopher L. Demasi, DO's license?

NPPES lists New Jersey license number 25MB07435900, 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.