THOMAS A NELSON MD
NPI 1376072157
Psychiatry & Neurology - Neurology in San Francisco, CA

Q: What is Thomas Nelson's NPI number?

The NPI number for Thomas Nelson is 1376072157. It was assigned to this individual provider in the NPPES registry on June 6, 2017.

Q: What is Thomas Nelson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Nelson was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since June 06, 2017PECOS EnrolledAccepts Medicare Assignment

400 PARNASSUS AVE FL 8, SAN FRANCISCO, CA 94143(415) 353-7500 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 20, 2025, Sep 10, 2024, Jul 21, 2022 and 2 more (5 updates tracked since 2017).

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About Thomas A Nelson Md NPPES

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

THOMAS A NELSON MD (NPI 1376072157) is an individual neurology provider in San Francisco, California, licensed in California (A159491) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2017).

NPPES Registry Identity

NPI1376072157

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameTHOMAS A NELSONCredential: MD

Location Address400 PARNASSUS AVE FL 8San Francisco, CA 94143-2202

Mailing Address400 Parnassus Ave Fl 8San Francisco, CA 94143-2202 · (415) 353-7500 · Fax (701) 441-7387

Phone(415) 353-7500

Sole ProprietorYes

Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 2017

Enumeration DateJune 6, 2017

Last NPPES UpdateMarch 20, 20255 updates tracked since enumeration

NPPES CertifiedMarch 20, 2025

✔ NPI 1376072157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

Licenses✔ Licensed in CA · A159491✔ Licensed in MA · 286782

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

400 PARNASSUS AVE FL 8, San Francisco, CA 94143

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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

Thomas A Nelson Md 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 ID2264703594

PECOS Enrollment IDI20241003001237

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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

23 services11 patients

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

$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.

DR. MAI N. NGUYEN-HUYNH M.D.

Psychiatry & Neurology (Neurology)

400 PARNASSUS AVE FL 8
SAN FRANCISCO, CA 94143

San Francisco County (415) 514-2120

ANA MARIETTA RUNAS CUNG NP

Nurse Practitioner

400 PARNASSUS AVE FL 8
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-7500

DR. RICHARD A. CUNEO M.D.

Psychiatry & Neurology (Neurology)

400 PARNASSUS AVE FL 8
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2273

LAUREN UHR

Psychiatry & Neurology (Neurology)

400 PARNASSUS AVE FL 8
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2273

TRACY ANN WARD AGACNP-BC

Nurse Practitioner (Acute Care)

400 PARNASSUS AVE FL 8, UCSF NEUROSURGERY
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-7500

DR. PAUL A. GARCIA M.D.

Psychiatry & Neurology (Neurology)

400 PARNASSUS AVE FL 8
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2437

MARIA JEKIELEK MD

Student in an Organized Health Care Education/Training Program

400 PARNASSUS AVE FL 8
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-9211

LING-YA CHAO MD

Psychiatry & Neurology (Neurology)

400 PARNASSUS AVE FL 8
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2437

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 Thomas Nelson's NPI number?

The NPI number for Thomas Nelson is 1376072157. It was assigned to this individual provider in the NPPES registry on June 6, 2017.

Where is Thomas Nelson located?

Thomas Nelson practices at 400 Parnassus Ave Fl 8, San Francisco, CA 94143. The listed phone number is (415) 353-7500.

What is Thomas Nelson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Thomas Nelson enrolled in Medicare?

Yes. Thomas Nelson 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 Thomas Nelson was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.