Guillermo Bethencourt, M.D.
Internal Medicine Physician · Old Bridge, NJ
Guillermo Bethencourt, M.D. is an internal medicine physician with a practice address in Old Bridge, New Jersey, and NPI 1952321465, issued on Jul 20, 2006. Check the license (New Jersey MA54671, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Guillermo Bethencourt
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA54671 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 3 Hospital Plz, Old Bridge, NJ 08857
- Phone
- (732) 360-1600
- Enumerated
- Jul 20, 2006
- Record last updated
- Jan 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (732) 360-1601
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 3 Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Guillermo Bethencourt 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 MA54671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
128 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Enoxaparin Sodium27 claims
- Pramipexole Dihydrochloride17 claims
- Tamsulosin Hcl17 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.
Guillermo Bethencourt among 4,632 internal medicine physician records in New Jersey
Guillermo Bethencourt, M.D. is one of 4,632 internal 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. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2013 · 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 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 internal medicine physician records list a practice address in Old Bridge
They are 27 of the 533 NPPES records with a practice address in Old Bridge, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Old Bridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sangeeta Agarwal, M.D.Old Bridge, NJ 088571790756062
- Carlos Del Alcazar, MDOld Bridge, NJ 088571255365912
- Andrew Gollup, MDOld Bridge, NJ 088571538123799
- Ludmila Ivchenko, MDOld Bridge, NJ 088571720070345
- Rana Jafri, MDOld Bridge, NJ 088571912938747
- Patricia Laemmle, MDOld Bridge, NJ 088571891729539
- Diptika Patel, MDOld Bridge, NJ 088571417949975
- Craig Price, MDOld Bridge, NJ 088571851313845
Common questions
What is Guillermo Bethencourt, M.D.'s NPI number?
Guillermo Bethencourt, M.D.'s National Provider Identifier (NPI) is 1952321465, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo Bethencourt, M.D. located?
The NPPES record lists a practice address at 3 Hospital Plz, Old Bridge, NJ, 08857. Phone: (732) 360-1600. Providers update this record themselves, so call before visiting.
How can I verify Guillermo Bethencourt, M.D.'s license?
NPPES lists New Jersey license number MA54671, 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 Guillermo Bethencourt, M.D. prescribe under Medicare Part D?
In 2024, Guillermo Bethencourt, M.D. had 128 Medicare Part D claims for 22 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.