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ELIZABETH ANN GAY MD
NPI 1760018758
Internal Medicine in San Francisco, CA

Active since March 21, 2020PECOS Enrolled
505 PARNASSUS AVE # 111, SAN FRANCISCO, CA 94143(415) 476-0753(415) 502-2605 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 23, 2020, Mar 21, 2020 (2 updates tracked since 2020).

About Elizabeth Ann Gay Md NPPES

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

ELIZABETH ANN GAY MD (NPI 1760018758) is an individual internal medicine provider in San Francisco, California, licensed in California (194900) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760018758
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameELIZABETH ANN GAYCredential: MD
Location Address505 PARNASSUS AVE # 111San Francisco, CA 94143-2204
Mailing Address1300 26th Ave Apt 402San Francisco, CA 94122-1549 · (509) 592-7686
Phone(415) 476-0753
Fax(415) 502-2605
Sole ProprietorNo
Enumeration DateMarch 21, 2020
Last NPPES UpdateJune 11, 20262 updates tracked since enumeration
NPPES CertifiedJune 11, 2026
✔ NPI 1760018758 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 · 194900
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.
505 PARNASSUS AVE # 111, 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 (PECOS)

Elizabeth Ann Gay 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 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$14.63 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers14 claims14 services$77.10 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

AMBER YAOYAO CHEN MD, MBA
Allergy & Immunology
505 PARNASSUS AVE # 111
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-4764

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 Elizabeth Gay's NPI number?

The NPI number for Elizabeth Gay is 1760018758. It was assigned to this individual provider in the NPPES registry on March 21, 2020.

Where is Elizabeth Gay located?

Elizabeth Gay practices at 505 Parnassus Ave # 111, San Francisco, CA 94143. The listed phone number is (415) 476-0753.

What is Elizabeth Gay's specialty?

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

Is Elizabeth Gay enrolled in Medicare?

Yes. Elizabeth Gay is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Elizabeth Gay was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.