Mary Lou Lao David, FNP-BC
Primary Care Nurse Practitioner · Aliso Viejo, CA
Mary Lou Lao David, FNP-BC is a primary care nurse practitioner with a practice address in Aliso Viejo, California, and NPI 1245467992, issued on Jun 19, 2009. Check the license (California 18743, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Lou Lao David
- Credential
- FNP-BC
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- 18743 CA
Self-reported in NPPES; status is on the state search - Practice location
- 22 Bluff Cove Dr, Aliso Viejo, CA 92656
- Phone
- (949) 360-0587
- Enumerated
- Jun 19, 2009
- Record last updated
- Oct 26, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 1,131 in California → Look up another NPI →
Verify Mary Lou Lao David in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 18743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
117 Medicare Part D claims for 40 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Warfarin Sodium108 claims
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: $30.05
1 payment: food and beverage; the largest payer was Abbvie Inc. The 4,321 providers of this specialty with any payment received $625.13 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.
Mary Lou Lao David among 1,131 primary care nurse practitioner records in California
Mary Lou Lao David, FNP-BC is one of 1,131 primary care nurse practitioner records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 13% of them.
- NPI issued2009 · 13% of these records are older, 87% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 35% of these records are
- Record last updated2017 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in California
There are 1,131 primary care nurse practitioner records in California.
All 1,131 in California → Every provider in Aliso Viejo → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Jacqueline Brodsky, N.P.Aliso Viejo, CA 926561568444347
- Maryam Fathy, DNP, MSN, RN, NP-CLaguna Hills, CA 926531114255411
- Tabitha IndriesLaguna Hills, CA 926531639602766
- Joshua Bautista, FNP-BCNewport Beach, CA 926601386514123
- Kristine Ericksen-Miller, NPNewport Beach, CA 926601174079115
- Hye Jin Lim, NPNewport Beach, CA 926601366114399
- Christine Stephens, NPNewport Beach, CA 926601023786340
- Mary Tiffany Cereneche, NP-CLaguna Beach, CA 926511093446957
Common questions
What is Mary Lou Lao David, FNP-BC's NPI number?
Mary Lou Lao David, FNP-BC's National Provider Identifier (NPI) is 1245467992, issued on Jun 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mary Lou Lao David, FNP-BC located?
The NPPES record lists a practice address at 22 Bluff Cove Dr, Aliso Viejo, CA, 92656. Phone: (949) 360-0587. Providers update this record themselves, so call before visiting.
How can I verify Mary Lou Lao David, FNP-BC's license?
NPPES lists California license number 18743, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Lou Lao David, FNP-BC prescribe under Medicare Part D?
In 2024, Mary Lou Lao David, FNP-BC had 117 Medicare Part D claims for 40 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.