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FRED M SILVERBERG M.D.
NPI 1922055201
Obstetrics & Gynecology in Chatham, NJ

Active since May 30, 2006PECOS EnrolledAccepts Medicare Assignment
33 MAIN ST, SUITE 200, CHATHAM, NJ 07928(973) 635-2299(973) 635-8187 Get Directions Write a Review

NPPES record last updated: November 9, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Fred M Silverberg M.d. NPPES

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

FRED M SILVERBERG M.D. (NPI 1922055201) is an individual obstetrics & gynecology provider in Chatham, New Jersey, licensed in New Jersey (25MA04673300) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth Univ School Of Dentistry (1980).

NPPES Registry Identity

NPI1922055201
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameFRED M SILVERBERGCredential: M.D.
Location Address33 MAIN ST, SUITE 200Chatham, NJ 07928-2433
Mailing Address33 Main St, Suite 200Chatham, NJ 07928-2433 · (973) 635-2299 · Fax (973) 635-8187
Phone(973) 635-2299
Fax(973) 635-8187
Sole ProprietorNo
Medical School CMSVirginia Commonwealth Univ School Of DentistryGraduated 1980
Enumeration DateMay 30, 2006
Last NPPES UpdateNovember 9, 2012
✔ NPI 1922055201 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 · 25MA04673300
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.
33 MAIN ST, Chatham, NJ 07928
Open in Google Maps ↗

Other Identifiers 2

Medicare PIN180408M4BNJ
Medicare UPINE53069NJ

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

Fred M Silverberg M.d. 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 ID1850484957
PECOS Enrollment IDI20070906000058
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 Reassignments

3

Medicare enrollment records show Fred Silverberg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lifeline Medical Associates, LLC
4.1 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
Rutgers Health-Rwj Scleroderma Program
15 mi
Psychiatry
675 HOES LN W
Piscataway, NJ 08854
  • Reassigned Medicare billing, New Jersey enrollment
  • 641 clinicians in this Medicare group
NPI 1316222664 (732) 235-4402
Rutgers Rwj Eric B. Chandler Health Center
17 mi
Federally Qualified Health Center (FQHC)
123 CHURCH ST
New Brunswick, NJ 08901
  • Reassigned Medicare billing, New Jersey enrollment
  • 39 clinicians in this Medicare group
NPI 1619916574 (732) 235-6700

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 07928 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 7

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

DR. NEAL E LEYNOR PH.D.
Psychologist
33 MAIN ST
CHATHAM, NJ 07928
Morris County (973) 635-6866
ADVANCED DENTISTRY OF SUMMIT, LLC
Durable Medical Equipment & Medical Supplies (Customized Equipment)
33 MAIN ST, STE. 101
CHATHAM, NJ 07928
Morris County (973) 635-0626
RICHARD D RIVA DDS LLC
Dentist (Oral and Maxillofacial Surgery)
33 MAIN ST, SUITE 201
CHATHAM, NJ 07928
Morris County (973) 635-5800
BARBARA A FODERO, DDS, MS
Dentist (Orthodontics and Dentofacial Orthopedics)
33 MAIN ST, SUITE 104
CHATHAM, NJ 07928
Morris County (973) 701-2200
DR. RICHARD D RIVA DDS
Dentist (Oral and Maxillofacial Surgery)
33 MAIN ST, SUITE 201
CHATHAM, NJ 07928
Morris County (973) 635-5800
RIVERSIDE ORAL SURGERY - CHATHAM
Dentist (Oral and Maxillofacial Surgery)
33 MAIN ST
CHATHAM, NJ 07928
Morris County (973) 635-5800
LASER & SKIN THERAPEUTICS PC
Dermatology
33 MAIN ST, SUITE 103
CHATHAM, NJ 07928
Morris County (973) 635-5050

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 Fred Silverberg's NPI number?

The NPI number for Fred Silverberg is 1922055201. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Fred Silverberg located?

Fred Silverberg practices at 33 Main St Suite 200, Chatham, NJ 07928. The listed phone number is (973) 635-2299.

What is Fred Silverberg's specialty?

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

Is Fred Silverberg enrolled in Medicare?

Yes. Fred Silverberg 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 organizations bill Medicare for Fred Silverberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fred Silverberg reassigns Medicare benefits to 3 organizations: Lifeline Medical Associates, LLC (Florham Park, NJ), Rutgers Health-Rwj Scleroderma Program (Piscataway, NJ) and Rutgers Rwj Eric B. Chandler Health Center (New Brunswick, NJ). Each 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 Fred Silverberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Fred Silverberg was last updated on November 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.