MS. TWYILA D. LAY N.P., M.S.N., R.N.
NPI 1770503757
Nurse Practitioner - Acute Care in San Francisco, CA

Q: What is Twyila Lay's NPI number?

The NPI number for Twyila Lay is 1770503757. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Q: What is Twyila Lay's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Twyila Lay was last updated on January 12, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since July 20, 2006PECOS Enrolled

1001 POTRERO AVE, SAN FRANCISCO, CA 94110(415) 206-3219(415) 502-4985 Get Directions Write a Review

NPPES record last updated: January 12, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Ms. Twyila D. Lay N.p., M.s.n., R.n. NPPES

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

MS. TWYILA D. LAY N.P., M.S.N., R.N. (NPI 1770503757) is an individual acute care provider in San Francisco, California, licensed in California (NPF7643) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770503757

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameMS. TWYILA D. LAYCredential: N.P., M.S.N., R.N.

Location Address1001 POTRERO AVESan Francisco, CA 94110-3518

Mailing Address4895 Woodrush Rd.Pleasanton, CA 94566 · (925) 484-0950

Phone(415) 206-3219

Fax(415) 502-4985

Sole ProprietorNo

Enumeration DateJuly 20, 2006

Last NPPES UpdateJanuary 12, 2012

✔ NPI 1770503757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in CA · NPF7643

Also ListedRegistered Nurse · Medical-SurgicalTaxonomy 163WM0705X · License RN451171 (CA)

1001 POTRERO AVE, San Francisco, CA 94110

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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)

Ms. Twyila D. Lay N.p., M.s.n., R.n. 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 94110 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

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.