1. Home
  2. Directory
  3. Delaware
  4. Milton
  5. Family Medicine
  6. NPI Profile

ADAM BROWNSTEIN MD LLC
NPI 1881367340
Family Medicine in Milton, DE

Active since July 29, 2021
611 FEDERAL ST STE 2, MILTON, DE 19968(302) 329-9616(302) 644-1165 Get Directions Write a Review

NPPES record last updated: July 29, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Adam Brownstein Md Llc NPPES

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

ADAM BROWNSTEIN MD LLC (NPI 1881367340) is a healthcare organization registered as a family medicine in Milton, Delaware and active in the NPI registry since July 2021. The organization lists Adam S. Brownstein, Physician/owner, as its authorized official.

NPPES Registry Identity

NPI1881367340
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameADAM BROWNSTEIN MD LLC
Location Address611 FEDERAL ST STE 2Milton, DE 19968-1157
Mailing Address611 Federal St Ste 2Milton, DE 19968-1157 · (302) 329-9616 · Fax (302) 644-1165
Phone(302) 329-9616
Fax(302) 644-1165
Organization SubpartNo
Authorized OfficialAdam S. BrownsteinPhysician/owner · (302) 329-9616
Enumeration DateJuly 29, 2021
NPPES CertifiedJuly 29, 2021
✔ NPI 1881367340 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
611 FEDERAL ST STE 2, Milton, DE 19968
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Adam Brownstein Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Adam Brownstein MD LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Adam Brownstein, M.D.
Family Practice
NPI 1700862737
611 FEDERAL ST
Milton, DE 19968
(302) 329-9616
✔ PECOS✔ Accepts MedicareSame address

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

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 Adam Brownstein MD LLC's NPI number?

The NPI number for Adam Brownstein MD LLC is 1881367340. It was assigned to this organization in the NPPES registry on July 29, 2021.

Where is Adam Brownstein MD LLC located?

Adam Brownstein MD LLC is located at 611 Federal St Ste 2, Milton, DE 19968. The listed phone number is (302) 329-9616.

What is Adam Brownstein MD LLC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Adam Brownstein MD LLC enrolled in Medicare?

Yes. Adam Brownstein MD LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Adam Brownstein MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Adam Brownstein MD LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Adam Brownstein MD LLC accept?

Health plans from Highmark Blue Cross Blue Shield Delaware list Adam Brownstein MD LLC 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 Adam Brownstein MD LLC was last updated on July 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.