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DR. NINA SEIGELSTEIN MD
NPI 1619056819
Obstetrics & Gynecology in Shrewsbury, NJ

Active since November 06, 2006PECOS EnrolledAccepts Medicare Assignment
655 SHREWSBURY AVE STE 300, SHREWSBURY, NJ 07702(732) 758-6511(732) 758-1048 Get Directions Write a Review

NPPES record last updated: May 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 21, 2025, Mar 7, 2024, Dec 17, 2020 (3 updates tracked since 2020).

About Dr. Nina Seigelstein Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NINA SEIGELSTEIN MD (NPI 1619056819) is an individual obstetrics & gynecology provider in Shrewsbury, New Jersey, licensed in New Jersey (25MA06378000) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1619056819
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. NINA SEIGELSTEINCredential: MD
Location Address655 SHREWSBURY AVE STE 300Shrewsbury, NJ 07702-4151
Mailing Address331 Newman Springs Rd Ste 220Red Bank, NJ 07701-5792 · (732) 807-0877 · Fax (201) 751-1680
Phone(732) 758-6511
Fax(732) 758-1048
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateNovember 6, 2006
Last NPPES UpdateMay 21, 20253 updates tracked since enumeration
NPPES CertifiedMay 21, 2025
✔ NPI 1619056819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in NJ · 25MA06378000
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
655 SHREWSBURY AVE STE 300, Shrewsbury, NJ 07702
Open in Google Maps ↗

Secondary Practice Locations 3

Location 11 Riverview Plaza, Riverview Medical CenterRed Bank, NJ 07701 · Phone (732) 741-2700
Location 2655 Shrewsbury Ave Ste 300Shrewsbury, NJ 07702-4151 · Phone (732) 758-6511
Location 360 Park Pl Ste 210Newark, NJ 07102-5507 · Phone (973) 732-2909 · Fax (973) 732-7938

Other Identifiers 1

Medicaid6981402NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nina Seigelstein Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002089026
PECOS Enrollment IDI20111107000711
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Nina Seigelstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hackensack Meridian Health Medical Group - Specialty Care PC
1.3 mi
Surgical Critical Care
331 NEWMAN SPRINGS RD STE 220
Red Bank, NJ 07701
  • Reassigned Medicare billing, New Jersey enrollment
  • 2,844 clinicians in this Medicare group
NPI 1215989249 (732) 807-0800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07702 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$140.34 typical visit price
range $61.59 – $185.05
Typical copayment $35.08 (range $15.39 – $46.26)
Most-billed visit code 99204
Established Patient
$76.45 typical visit price
range $20.08 – $150.98
Typical copayment $19.11 (range $5.02 – $37.74)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EAST COAST INFERTILITY AND IVF P C
Specialist
655 SHREWSBURY AVE STE 300
SHREWSBURY, NJ 07702
Monmouth County (732) 758-6511
ELIZABETH PIERCY NP
Nurse Practitioner
655 SHREWSBURY AVE STE 300
SHREWSBURY, NJ 07702
Monmouth County (732) 758-6511
KATHERINE SANTIAGO FNP
Nurse Practitioner (Family)
655 SHREWSBURY AVE STE 300
SHREWSBURY, NJ 07702
Monmouth County (732) 758-6511
DR. EMILY C HOLDEN M.D.
Obstetrics & Gynecology
655 SHREWSBURY AVE STE 300
SHREWSBURY, NJ 07702
Monmouth County (327) 758-6511

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nina Seigelstein's NPI number?

The NPI number for Nina Seigelstein is 1619056819. It was assigned to this individual provider in the NPPES registry on November 6, 2006.

Where is Nina Seigelstein located?

Nina Seigelstein practices at 655 Shrewsbury Ave Ste 300, Shrewsbury, NJ 07702. The listed phone number is (732) 758-6511.

What is Nina Seigelstein's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Nina Seigelstein enrolled in Medicare?

Yes. Nina Seigelstein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Nina Seigelstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nina Seigelstein reassigns Medicare benefits to Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nina Seigelstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nina Seigelstein accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Nina Seigelstein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nina Seigelstein was last updated on May 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.