DR. ALLEN GREEN JR. MD
NPI 1043848260
General Practice in Mill Valley, CA

Active since April 01, 2020PECOS Enrolled
655 REDWOOD HWY FRONTAGE RD STE 370, MILL VALLEY, CA 94941(415) 928-1352 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 7, 2026, May 15, 2026, Jul 26, 2024 and 1 more (4 updates tracked since 2020).

About Dr. Allen Green Jr. Md NPPES

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

DR. ALLEN GREEN JR. MD (NPI 1043848260) is an individual general practice provider in Mill Valley, California, licensed in California (A204398) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043848260
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. ALLEN GREEN JR.Credential: MD
Location Address655 REDWOOD HWY FRONTAGE RD STE 370Mill Valley, CA 94941-3057
Mailing Address655 Redwood Hwy Frontage Rd Ste 370Mill Valley, CA 94941-3057 · (415) 928-1352
Sole ProprietorYes
Enumeration DateApril 1, 2020
Last NPPES UpdateAugust 7, 20264 updates tracked since enumeration
NPPES CertifiedAugust 7, 2026
✔ NPI 1043848260 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
Licenses✔ Licensed in CA · A204398✔ Licensed in TX · U4809
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
655 REDWOOD HWY FRONTAGE RD STE 370, Mill Valley, CA 94941

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Allen Green Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Allen Green reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
1301 W 7TH ST, STE 121
Fort Worth, TX 76102
  • Reassigned Medicare billing, Texas enrollment
  • 802 clinicians in this Medicare group
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Texas enrollment
  • 1,246 clinicians in this Medicare group
Cardiovascular Disease
3705 OLENTANGY RIVER RD, SUITE 100
Columbus, OH 43214
  • Reassigned Medicare billing, Ohio enrollment
  • 3,314 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.

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 Allen Green's NPI number?

The NPI number for Allen Green is 1043848260. It was assigned to this individual provider in the NPPES registry on April 1, 2020.

Where is Allen Green located?

Allen Green practices at 655 Redwood Hwy Frontage Rd Ste 370, Mill Valley, CA 94941. The listed phone number is (415) 928-1352.

What is Allen Green's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Allen Green enrolled in Medicare?

Yes. Allen Green is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Allen Green's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allen Green reassigns Medicare benefits to 3 organizations: Vpa Of Texas PLLC (Fort Worth, TX), Signify Health Medical Associates, PLLC (Dallas, TX) and Ohiohealth Corporation (Columbus, OH). 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 Allen Green'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 Allen Green was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.