NPPES file of Aug 9, 2026

Ronald Peter Portadin, M.D.

Gynecology Physician · Mays Landing, NJ

Ronald Peter Portadin, M.D. is a gynecology physician with a practice address in Mays Landing, New Jersey, and NPI 1790770543, issued on Sep 19, 2005. Check the license (New Jersey 25MA02273800, 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
1790770543
Name
Ronald Peter Portadin
Credential
M.D.
Primary taxonomy
Gynecology Physician 207VG0400X
License number
25MA02273800 NJ
Self-reported in NPPES; status is on the state search
Practice location
3980 Black Horse Pike, Mays Landing, NJ 08330
Phone
(609) 625-1600
Enumerated
Sep 19, 2005
Record last updated
Aug 3, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(609) 625-2610
Medicaid ID
0277801 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 3980 Black Horse Pike

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

  1. Jonathan Gewirtz, M.D.Gynecology Physician1639155542

Verify Ronald Peter Portadin 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 25MA02273800
    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 gynecology physician in 2024

20 Medicare Part D claims, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D.

  1. Ronald Portadin20
  2. Specialty average299

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.

Ronald Peter Portadin among 140 gynecology physician records in New Jersey

Ronald Peter Portadin, M.D. is one of 140 gynecology physician records with a practice address in New Jersey. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · 37% of these records are
  • Record last updated2010 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecology Physician providers in New Jersey

There are 140 gynecology physician records in New Jersey.

The 8 gynecology physician records with the nearest ZIP codes

  1. Jonathan Gewirtz, M.D.Mays Landing, NJ 083301639155542
  2. Ronald Loewe, MDSea Isle City, NJ 082431538250857
  3. Joseph Varallo, M.D. LLCEgg Harbor Township, NJ 082341164400313
  4. James Wilson, MDOcean City, NJ 082261467483750
  5. Adebola Nnewihe, MDNorthfield, NJ 082251154530301
  6. George Tai, M.D.Northfield, NJ 082251487965711
  7. Charlsie Celestine, MDEast Windsor, NJ 085201104250117
  8. Shyama Mathews, MDPlainsboro, NJ 085361598084238

Common questions

What is Ronald Peter Portadin, M.D.'s NPI number?

Ronald Peter Portadin, M.D.'s National Provider Identifier (NPI) is 1790770543, issued on Sep 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Peter Portadin, M.D. located?

The NPPES record lists a practice address at 3980 Black Horse Pike, Mays Landing, NJ, 08330. Phone: (609) 625-1600. Providers update this record themselves, so call before visiting.

How can I verify Ronald Peter Portadin, M.D.'s license?

NPPES lists New Jersey license number 25MA02273800, 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 Ronald Peter Portadin, M.D. prescribe under Medicare Part D?

In 2024, Ronald Peter Portadin, M.D. had 20 Medicare Part D claims; the average among gynecology physician prescribers was 299. 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.