Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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: August 30, 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, and ordering and referring status from the CMS PECOS system.

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.

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.

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 32 days 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.