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DR. LAWRENCE POSNER MD
NPI 1952390098
Internal Medicine in Sausalito, CA

Active since October 20, 2005PECOS Enrolled
3 HARBOR DRIVE, SUITE 111, SAUSALITO, CA 94965(415) 683-2988(415) 683-2980 Get Directions Write a Review

NPPES record last updated: February 1, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Lawrence Posner Md NPPES

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

DR. LAWRENCE POSNER MD (NPI 1952390098) is an individual internal medicine provider in Sausalito, California, licensed in California (A20698) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952390098
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. LAWRENCE POSNERCredential: MD
Location Address3 HARBOR DRIVE, SUITE 111Sausalito, CA 94965
Mailing Address3 Harbor Drive, Suite 111Sausalito, CA 94965 · (415) 683-2988 · Fax (415) 683-2980
Phone(415) 683-2988
Fax(415) 683-2980
Sole ProprietorNo
Enumeration DateOctober 20, 2005
Last NPPES UpdateFebruary 1, 2011
✔ NPI 1952390098 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A20698
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3 HARBOR DRIVE, Sausalito, CA 94965
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Other Identifiers 1

Medicare UPINA22281CA

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. Lawrence Posner 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94965 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.04 typical visit price
range $69.07 – $202.63
Typical copayment $38.51 (range $17.26 – $50.65)
Most-billed visit code 99204
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

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

CHAITHRA B NAGAR MD
Emergency Medicine
3 HARBOR DRIVE, SUITE 111
SAUSALITO, CA 94965
Marin County (415) 683-2988
PRIMA MEDICAL FOUNDATION
General Practice
3 HARBOR DRIVE, SUITE 111
SAUSALITO, CA 94965
Marin County (415) 683-2988
DR. CHERI J. FORRESTER MD
Family Medicine
3 HARBOR DRIVE, SUITE 111
SAUSALITO, CA 94965
Marin County (415) 683-2988

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 Lawrence Posner's NPI number?

The NPI number for Lawrence Posner is 1952390098. It was assigned to this individual provider in the NPPES registry on October 20, 2005.

Where is Lawrence Posner located?

Lawrence Posner practices at 3 Harbor Drive Suite 111, Sausalito, CA 94965. The listed phone number is (415) 683-2988.

What is Lawrence Posner's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lawrence Posner enrolled in Medicare?

Yes. Lawrence Posner is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lawrence Posner was last updated on February 1, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.