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DR. GREGORY DAVIS HIRSCH MD
NPI 1831114362
Obstetrics & Gynecology in Morristown, NJ

Active since July 13, 2006PECOS Enrolled
196 SPEEDWELL AVE, MORRISTOWN, NJ 07960(973) 539-1402 Get Directions Write a Review

NPPES record last updated: March 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Gregory Davis Hirsch Md NPPES

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

DR. GREGORY DAVIS HIRSCH MD (NPI 1831114362) is an individual obstetrics & gynecology provider in Morristown, New Jersey, licensed in New Jersey (25MA006189900) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831114362
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. GREGORY DAVIS HIRSCHCredential: MD
Location Address196 SPEEDWELL AVEMorristown, NJ 07960-2934
Mailing Address196 Speedwell AveMorristown, NJ 07960-2934 · (973) 539-1402
Phone(973) 539-1402
Sole ProprietorNo
Enumeration DateJuly 13, 2006
Last NPPES UpdateMarch 6, 2024
NPPES CertifiedMarch 6, 2024
✔ NPI 1831114362 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 · 25MA006189900
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.
196 SPEEDWELL AVE, Morristown, NJ 07960
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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Davis Hirsch Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Gregory Hirsch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lifeline Medical Associates, LLC
3.4 mi
Obstetrics & Gynecology
100 CAMPUS DR STE 405
Florham Park, NJ 07932
  • Reassigned Medicare billing, New Jersey enrollment
  • 230 clinicians in this Medicare group
NPI 1821041617 (800) 845-2785

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 07960 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
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
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 14

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

GUY D. MURPHY M.D.
Obstetrics & Gynecology
196 SPEEDWELL AVE
MORRISTOWN, NJ 07960
Morris County (973) 539-9580
PLANNED PARENTHOOD OF CENTRAL AND GREATER NORTHERN NEW JERSEY, INC
Clinic/Center (Family Planning, Non-Surgical)
196 SPEEDWELL AVE
MORRISTOWN, NJ 07960
Morris County (973) 539-9580
PRABJOT VIRK KAUR
Physician Assistant
196 SPEEDWELL AVE
MORRISTOWN, NJ 07960
Morris County (973) 593-9580
MRS. FRANSISCA SCHIKKINGER CNM
Clinic/Center (Ambulatory Family Planning Facility)
196 SPEEDWELL AVE
MORRISTOWN, NJ 07960
Morris County (973) 539-9580
ELIZABETH JANE TALMONT ANP-BC
Nurse Practitioner (Adult Health)
196 SPEEDWELL AVE
MORRISTOWN, NJ 07960
Morris County (973) 539-1364
MARIA BARTHOLOMEW PRIETO N.P.
Nurse Practitioner (Women's Health)
196 SPEEDWELL AVE
MORRISTOWN, NJ 07960
Morris County (973) 539-9580
NADIRA KHALIA ADAMS
Nurse Practitioner (Women's Health)
196 SPEEDWELL AVE
MORRISTOWN, NJ 07960
Morris County (973) 539-1364
MS. ILEANA E NORIEGA-SLACK NP
Nurse Practitioner (Family)
196 SPEEDWELL AVE
MORRISTOWN, NJ 07960
Morris County (973) 539-9580

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 Gregory Hirsch's NPI number?

The NPI number for Gregory Hirsch is 1831114362. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Where is Gregory Hirsch located?

Gregory Hirsch practices at 196 Speedwell Ave, Morristown, NJ 07960. The listed phone number is (973) 539-1402.

What is Gregory Hirsch's specialty?

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

Is Gregory Hirsch enrolled in Medicare?

Yes. Gregory Hirsch is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Hirsch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Hirsch reassigns Medicare benefits to Lifeline Medical Associates, LLC (Florham Park, 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 Gregory Hirsch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Hirsch accept?

Health plans from Oscar Health list Gregory Hirsch 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 Gregory Hirsch was last updated on March 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.