DR. ADAM GREENBERG DC
NPI 1528789880
Chiropractor in Huntington Beach, CA

Q: What is Adam Greenberg's NPI number?

The NPI number for Adam Greenberg is 1528789880. It was assigned to this individual provider in the NPPES registry on September 6, 2022.

Q: What is Adam Greenberg's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Q: When was this NPI record last updated?

The NPPES record for Adam Greenberg was last updated on May 17, 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.

Active since September 06, 2022

18821 DELEWARE STREET, STE 207, HUNTINGTON BEACH, CA 92648(714) 375-1200(714) 375-1201 Get Directions Write a Review

NPPES record last updated: May 17, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 17, 2024, Apr 6, 2024, Aug 30, 2023 and 1 more (4 updates tracked since 2022).

On this page

About Dr. Adam Greenberg Dc NPPES

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

DR. ADAM GREENBERG DC (NPI 1528789880) is an individual chiropractor in Huntington Beach, California, licensed in California (36333) and active in the NPI registry since September 2022.

NPPES Registry Identity

NPI1528789880

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. ADAM GREENBERGCredential: DC

Location Address18821 DELEWARE STREET, STE 207Huntington Beach, CA 92648-1936

Mailing Address18821 Deleware Street, Suite 207Huntington Beach, CA 92648-1936 · (714) 375-1200 · Fax (714) 375-1201

Phone(714) 375-1200

Fax(714) 375-1201

Sole ProprietorNo

Enumeration DateSeptember 6, 2022

Last NPPES UpdateMay 17, 20244 updates tracked since enumeration

NPPES CertifiedMay 17, 2024

✔ NPI 1528789880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in CA · 36333

Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

18821 DELEWARE STREET, Huntington Beach, CA 92648

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Adam Greenberg Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Adam Greenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Greenberg Swaffer Chiropractic Corporation

Same address

Chiropractor

18821 DELAWARE ST STE 207
Huntington Beach, CA 92648

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1063133148 (619) 820-4600

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

Other Providers at the Same Location NPPES

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

KRISTIE OVERSTREET LMHC, LPCC, LPC, CST

Counselor (Professional)

18821 DELEWARE STREET, SUITE 208
HUNTINGTON BEACH, CA 92648

Orange County (904) 566-9256

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 Greenberg's NPI number?

The NPI number for Adam Greenberg is 1528789880. It was assigned to this individual provider in the NPPES registry on September 6, 2022.

Where is Adam Greenberg located?

Adam Greenberg practices at 18821 Deleware Street Ste 207, Huntington Beach, CA 92648. The listed phone number is (714) 375-1200.

What is Adam Greenberg's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Adam Greenberg enrolled in Medicare?

Yes. Adam Greenberg is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Adam Greenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Greenberg reassigns Medicare benefits to Greenberg Swaffer Chiropractic Corporation (Huntington Beach, CA). 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 Adam Greenberg'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 Adam Greenberg was last updated on May 17, 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.