Twyila D. Lay, N.P., M.S.N., R.N.
Acute Care Nurse Practitioner · San Francisco, CA
Twyila D. Lay, N.P., M.S.N., R.N. is an acute care nurse practitioner with a practice address in San Francisco, California, and NPI 1770503757, issued on Jul 20, 2006. Check the license (California NPF7643, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Twyila D. Lay
- Credential
- N.P., M.S.N., R.N.
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- NPF7643 CA
RN451171 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Ave, San Francisco, CA 94110
- Phone
- (415) 206-3219
- Enumerated
- Jul 20, 2006
- Record last updated
- Jan 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (415) 502-4985
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 1,810 in California → Look up another NPI →
Also registered at 1001 Potrero Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Abbs, M.D.Internal Medicine Physician1295269983
- Atokena AbeStudent in an Organized Health Care Education/Training Program1043130149
- Mary Ann AbilleRegistered Nurse1699155804
- Nasrin Aboudamous, FNPFamily Nurse Practitioner1699579912
- Elizabeth AdvientoRegistered Nurse1124968987
- Rocio Agraz-Lara, RN, PHNRegistered Nurse1003075995
Verify Twyila D. Lay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NPF7643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
43 Medicare Part D claims for 15 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $37.50
1 payment: food and beverage; the largest payer was Integra LifeSciences Corporation. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Twyila D. Lay among 1,810 acute care nurse practitioner records in California
Twyila D. Lay, N.P., M.S.N., R.N. is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 94% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2012 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in California
There are 1,810 acute care nurse practitioner records in California.
All 1,810 in California → Every provider in San Francisco → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Mark Buhler, NPSan Francisco, CA 941101760465876
- Ralf BurgertSan Francisco, CA 941101063720894
- Dorothy Christian, NPSan Francisco, CA 941101174655104
- Suk Chung, FNPSan Francisco, CA 941101437197639
- Jennifer Leggett, NPSan Francisco, CA 941101831189745
- Kwai Moon Li, N.P.San Francisco, CA 941101619161841
- Rebecca Menza, ACNPSan Francisco, CA 941101851439897
- Gail Norman, N.P.San Francisco, CA 941101477636322
Common questions
What is Twyila D. Lay, N.P., M.S.N., R.N.'s NPI number?
Twyila D. Lay, N.P., M.S.N., R.N.'s National Provider Identifier (NPI) is 1770503757, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Twyila D. Lay, N.P., M.S.N., R.N. located?
The NPPES record lists a practice address at 1001 Potrero Ave, San Francisco, CA, 94110. Phone: (415) 206-3219. Providers update this record themselves, so call before visiting.
How can I verify Twyila D. Lay, N.P., M.S.N., R.N.'s license?
NPPES lists California license number NPF7643, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Twyila D. Lay, N.P., M.S.N., R.N. prescribe under Medicare Part D?
In 2024, Twyila D. Lay, N.P., M.S.N., R.N. had 43 Medicare Part D claims for 15 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.