DAVID JONATHAN SEGAR M.D.
NPI 1356703680
Neurological Surgery in San Francisco, CA

Active since March 25, 2016PECOS Enrolled
400 PARNASSUS AVE # A811, SAN FRANCISCO, CA 94143(415) 353-7500 Get Directions Write a Review

NPPES record last updated: October 31, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 31, 2023, Mar 25, 2016 (2 updates tracked since 2016).

About David Jonathan Segar M.d. NPPES

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

DAVID JONATHAN SEGAR M.D. (NPI 1356703680) is an individual neurological surgery provider in San Francisco, California, licensed in California (A185505) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356703680
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDAVID JONATHAN SEGARCredential: M.D.
Location Address400 PARNASSUS AVE # A811San Francisco, CA 94143-2202
Mailing Address400 Parnassus Ave # A811San Francisco, CA 94143-2202 · (415) 353-7500
Sole ProprietorNo
Enumeration DateMarch 25, 2016
Last NPPES UpdateOctober 31, 20232 updates tracked since enumeration
NPPES CertifiedOctober 31, 2023
NPI 1356703680 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in CA · A185505
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
400 PARNASSUS AVE # A811, San Francisco, CA 94143

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

David Jonathan Segar M.d. 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 94143 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
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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.

Neurological Surgery
400 PARNASSUS AVE # A811
SAN FRANCISCO, CA 94143
Neurological Surgery
400 PARNASSUS AVE # A811
SAN FRANCISCO, CA 94143
Neurological Surgery
400 PARNASSUS AVE # A811
SAN FRANCISCO, CA 94143

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 Segar's NPI number?

The NPI number for David Segar is 1356703680. It was assigned to this individual provider in the NPPES registry on March 25, 2016.

Where is David Segar located?

David Segar practices at 400 Parnassus Ave # A811, San Francisco, CA 94143. The listed phone number is (415) 353-7500.

What is David Segar's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is David Segar enrolled in Medicare?

Yes. David Segar is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for David Segar was last updated on October 31, 2023. 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.