DR. ADRIENNE BUFFAN NEITHARDT M.D.
NPI 1376504134
Obstetrics & Gynecology - Reproductive Endocrinology in Newark, DE
About Dr. Adrienne Buffan Neithardt M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADRIENNE BUFFAN NEITHARDT M.D. (NPI 1376504134) is an individual reproductive endocrinology provider in Newark, Delaware, licensed in Delaware (C1-0008685) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Newburgh.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted 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. Adrienne Buffan Neithardt M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Adrienne Neithardt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newark, DE 19713
- Reassigned Medicare billing, Delaware enrollment
- 1,531 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19713 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
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 Adrienne Neithardt's NPI number?
The NPI number for Adrienne Neithardt is 1376504134. It was assigned to this individual provider in the NPPES registry on March 31, 2006.
Where is Adrienne Neithardt located?
Adrienne Neithardt practices at 4735 Ogletown Stanton Rd Suite 3217, Newark, DE 19713. The listed phone number is (302) 602-8822.
What is Adrienne Neithardt's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.
Is Adrienne Neithardt enrolled in Medicare?
Yes. Adrienne Neithardt is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Adrienne Neithardt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adrienne Neithardt reassigns Medicare benefits to Christiana Care Health Services Inc (Newark, DE). 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 Adrienne Neithardt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Adrienne Neithardt accept?
Health plans from Anthem Blue Cross and Blue Shield and Highmark Blue Cross Blue Shield Delaware list Adrienne Neithardt 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 Adrienne Neithardt was last updated on April 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Adrienne Buffan Neithardt, M.D. · NPI 1376504134
Reproductive Endocrinology physician in Newark, Delaware. Individual provider, active in the CMS NPPES registry since March 31, 2006.
## Identity
- **NPI:** 1376504134 (Entity type: Individual)
- **Enumerated:** March 31, 2006
- **Primary specialty:** Obstetrics & Gynecology - Reproductive Endocrinology · taxonomy 207VE0102X
- **State license:** C1-0008685 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 4735 OGLETOWN STANTON RD, SUITE 3217, Newark, DE 19713-2072
- **Phone:** (302) 602-8822
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Christiana Care Health Services Inc (NPI 1144234873, Newark, DE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 19, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1376504134) · Data from the CMS NPPES public registry.