MR. DAVID NATHANSON
NPI 1013478676
Internal Medicine in Walnut Creek, CA

Active since March 27, 2019PECOS EnrolledAccepts Medicare Assignment
320 LENNON LN, WALNUT CREEK, CA 94598(925) 906-2000 Get Directions Write a Review

NPPES record last updated: October 24, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 24, 2022, Jul 22, 2022 (2 updates tracked since 2022).

About Mr. David Nathanson NPPES

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

MR. DAVID NATHANSON (NPI 1013478676) is an individual internal medicine provider in Walnut Creek, California, licensed in California (19491) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1013478676
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. DAVID NATHANSON
Location Address320 LENNON LNWalnut Creek, CA 94598-2419
Mailing Address31111 Agoura Rd Ste 205Westlake Village, CA 91361-4447 · (805) 368-2907
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 27, 2019
Last NPPES UpdateOctober 24, 20222 updates tracked since enumeration
NPPES CertifiedOctober 24, 2022
NPI 1013478676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · 19491
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.

320 LENNON LN, Walnut Creek, CA 94598

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mr. David Nathanson is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486021219
PECOS Enrollment IDI20221107002960
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 94598 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 20

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

Speech-Language Pathologist
320 LENNON LN
WALNUT CREEK, CA 94598
Optometrist
320 LENNON LN
WALNUT CREEK, CA 94598
Physical Therapist (Hand)
320 LENNON LN
WALNUT CREEK, CA 94598
Ophthalmology
320 LENNON LN
WALNUT CREEK, CA 94598
Optometrist
320 LENNON LN
WALNUT CREEK, CA 94598
Pharmacist
320 LENNON LN
WALNUT CREEK, CA 94598
Family Medicine
320 LENNON LN
WALNUT CREEK, CA 94598
Internal Medicine
320 LENNON LN
WALNUT CREEK, CA 94598

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 David Nathanson's NPI number?

The NPI number for David Nathanson is 1013478676. It was assigned to this individual provider in the NPPES registry on March 27, 2019.

Where is David Nathanson located?

David Nathanson practices at 320 Lennon Ln, Walnut Creek, CA 94598. The listed phone number is (925) 906-2000.

What is David Nathanson's specialty?

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

Is David Nathanson enrolled in Medicare?

Yes. David Nathanson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for David Nathanson was last updated on October 24, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.