NPPES file of Aug 9, 2026

Theodore R. Dacosta, DO

Gastroenterology Physician · West Orange, NJ

Theodore R. Dacosta, DO is a gastroenterology physician with a practice address in West Orange, New Jersey, and NPI 1114420155, issued on Mar 15, 2018. Check the license (New Jersey 25MB12193600, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1114420155
Name
Theodore R. Dacosta
Credential
DO
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
25MB12193600 NJ
Self-reported in NPPES; status is on the state search
Practice location
59 Main St Ste 1, West Orange, NJ 07052
Phone
(973) 674-8866
Enumerated
Mar 15, 2018
Record last updated
May 30, 2024
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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Verify Theodore R. Dacosta 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 25MB12193600
    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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93% fewer Medicare Part D claims than the average gastroenterology physician in 2024

60 Medicare Part D claims for 39 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Theodore Dacosta60
  2. Specialty average811

Most prescribed

  1. Gavilyte-G17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Theodore R. Dacosta among 735 gastroenterology physician records in New Jersey

Theodore R. Dacosta, DO is one of 735 gastroenterology physician records with a practice address in New Jersey. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 93% of them.

  • NPI issued2018 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2024 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 gastroenterology physician records list a practice address in West Orange

They are 19 of the 1,370 NPPES records with a practice address in West Orange, and 735 gastroenterology physician records in New Jersey.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Matthew Askin, M.D.West Orange, NJ 070521871780528
  2. Robert Eagle, MDWest Orange, NJ 070521922012335
  3. Jon Green, M.D.West Orange, NJ 070521245283563
  4. Yunseok Namn, M.DWest Orange, NJ 070521881005395
  5. Alexander Perelman, D.O.West Orange, NJ 070521710399985
  6. Giulio Quarta, M.D.West Orange, NJ 070521306107792
  7. David Rahni, M.DWest Orange, NJ 070521447571096
  8. Lawrence Rosenthal, M.D.West Orange, NJ 070521942359021

Common questions

What is Theodore R. Dacosta, DO's NPI number?

Theodore R. Dacosta, DO's National Provider Identifier (NPI) is 1114420155, issued on Mar 15, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Theodore R. Dacosta, DO located?

The NPPES record lists a practice address at 59 Main St Ste 1, West Orange, NJ, 07052. Phone: (973) 674-8866. Providers update this record themselves, so call before visiting.

How can I verify Theodore R. Dacosta, DO's license?

NPPES lists New Jersey license number 25MB12193600, 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.

How much does Theodore R. Dacosta, DO prescribe under Medicare Part D?

In 2024, Theodore R. Dacosta, DO had 60 Medicare Part D claims for 39 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

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.