NPPES file of Aug 9, 2026

Nina Seigelstein, MD

Obstetrics & Gynecology Physician · Shrewsbury, NJ

Nina Seigelstein, MD is an obstetrics & gynecology physician with a practice address in Shrewsbury, New Jersey, and NPI 1619056819, issued on Nov 6, 2006. Check the license (New Jersey 25MA06378000, 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
1619056819
Name
Nina Seigelstein
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
25MA06378000 NJ
Self-reported in NPPES; status is on the state search
Practice location
655 Shrewsbury Ave Ste 300, Shrewsbury, NJ 07702
Phone
(732) 758-6511
Enumerated
Nov 6, 2006
Record last updated
May 21, 2025
Fax
(732) 758-1048
Medicaid ID
6981402 NJ
Medicare enrollment
Enrolled (PECOS I20111107000711); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 655 Shrewsbury Ave Ste 300

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

  1. Emily Holden, M.D.Obstetrics & Gynecology Physician1962796193
  2. Elizabeth Piercy, NPNurse Practitioner1366180838
  3. Katherine Santiago, FNPFamily Nurse Practitioner1528592375

Verify Nina Seigelstein 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 25MA06378000
    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 obstetrics & gynecology physician in 2024

12 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Nina Seigelstein12
  2. Specialty average165

Most prescribed

  1. Divigel12 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.

Industry payments in 2024: $839.10

12 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nina Seigelstein$839.10
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Hackensack Meridian Health Medical Group - Specialty Care PCRed Bank, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nina Seigelstein among 1,362 obstetrics & gynecology physician records in New Jersey

Nina Seigelstein, MD is one of 1,362 obstetrics & gynecology physician records with a practice address in New Jersey. 80% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 49% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1992 · median 2003 among the 900 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in New Jersey

There are 1,362 obstetrics & gynecology physician records in New Jersey.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Emily Holden, M.D.Shrewsbury, NJ 077021962796193
  2. Melissa Blackburn, D.OTinton Falls, NJ 077011164833059
  3. Marilyn Loh Collado, M.D.Tinton Falls, NJ 077011952396053
  4. Evelyn Minaya, M.D.Tinton Falls, NJ 077011174518286
  5. Mayur Patel, MDRed Bank, NJ 077011649320359
  6. Thomas Theocharides, MDRed Bank, NJ 077011528014412
  7. Erin Curcio, DOAsbury Park, NJ 077121164890190
  8. Sandy Gill, C.N.M.Ocean, NJ 077121811046147

Common questions

What is Nina Seigelstein, MD's NPI number?

Nina Seigelstein, MD's National Provider Identifier (NPI) is 1619056819, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nina Seigelstein, MD located?

The NPPES record lists a practice address at 655 Shrewsbury Ave Ste 300, Shrewsbury, NJ, 07702. Phone: (732) 758-6511. Providers update this record themselves, so call before visiting.

How can I verify Nina Seigelstein, MD's license?

NPPES lists New Jersey license number 25MA06378000, 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 Nina Seigelstein, MD prescribe under Medicare Part D?

In 2024, Nina Seigelstein, MD had 12 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.