DR. JACOB SETH GREENBERG DO
NPI 1972186724
Internal Medicine in Onancock, VA
About Dr. Jacob Seth Greenberg Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JACOB SETH GREENBERG DO (NPI 1972186724) is an individual internal medicine provider in Onancock, Virginia, licensed in Virginia (0102208446) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Bon Secours Maryview Medical Center, and maintains a secondary practice location in Portsmouth.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Jacob Seth Greenberg Do 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.
Medicare Billing Reassignments
3Medicare enrollment records show Jacob Greenberg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gloucester, VA 23061
- Reassigned Medicare billing, Virginia enrollment
- 1,097 clinicians in this Medicare group
Richmond, VA 23227
- Reassigned Medicare billing, Virginia enrollment
- 386 clinicians in this Medicare group
Abingdon, VA 24211
- Reassigned Medicare billing, Virginia enrollment
- 262 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bon Secours Maryview Medical Center
Acute Care Hospitals · Portsmouth, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 23417 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Jacob Greenberg's NPI number?
The NPI number for Jacob Greenberg is 1972186724. It was assigned to this individual provider in the NPPES registry on April 29, 2021.
Where is Jacob Greenberg located?
Jacob Greenberg practices at 20480 Market St, Onancock, VA 23417. The listed phone number is (757) 302-2342.
What is Jacob Greenberg's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jacob Greenberg enrolled in Medicare?
Yes. Jacob Greenberg 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 Jacob Greenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Greenberg reassigns Medicare benefits to 3 organizations: Riverside Physician Services Inc (Gloucester, VA), Bon Secours Medical Group Hampton Roads Specialty Care LLC (Richmond, VA) and Wellmont Medical Associates Inc (Abingdon, VA). 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 Jacob Greenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jacob Greenberg affiliated with any hospitals?
According to CMS data, Jacob Greenberg is affiliated with Bon Secours Maryview Medical Center.
When was this NPI record last updated?
The NPPES record for Jacob Greenberg was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.