Esther Lamb, PA
Physician Assistant · Costa Mesa, CA
Esther Lamb, PA is a physician assistant with a practice address in Costa Mesa, California, and NPI 1700917770, issued on Mar 8, 2007. Check the license (California PA17822, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Esther Lamb
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA17822 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1640 Newport Blvd Ste 370, Costa Mesa, CA 92627
- Phone
- (949) 288-5701
- Enumerated
- Mar 8, 2007
- Record last updated
- Jul 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100309000799); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1640 Newport Blvd Ste 370
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chaitali Nangia, MDHematology & Oncology Physician1669425286
Verify Esther Lamb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA17822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average physician assistant in 2024
902 Medicare Part D claims for 220 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 17 claims were for opioids.
Most prescribed
- Anastrozole101 claims
- Creon76 claims
- Ondansetron Odt57 claims
- Letrozole49 claims
- Prochlorperazine Maleate49 claims
- Potassium Chloride40 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: $846.20
20 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through 2 group practices
- Hoag ClinicNewport Beach, CA
- Rita R Ellithorpe MD IncTustin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Esther Lamb among 14,451 physician assistant records in California
Esther Lamb, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2004 · median 2018 among the 7,214 with a school on file
- Record last updated2019 · 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 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 physician assistant records list a practice address in Costa Mesa
They are 37 of the 4,286 NPPES records with a practice address in Costa Mesa, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Costa Mesa → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Christopher Burkett, P.A.Costa Mesa, CA 926271629258447
- Erin Gage, PACCosta Mesa, CA 926271710094917
- Nicholas Huey, PACosta Mesa, CA 926271881139228
- Jessica Jimenez, PA-CCosta Mesa, CA 926271306197819
- Claire JosephsonCosta Mesa, CA 926271194216648
- Mia'Ariarna Kilekas, PA-C, MSPACosta Mesa, CA 926271013646306
- Roxanna Moridzadeh, PA-CCosta Mesa, CA 926271124679808
- Deanne Newton, MSPAS, PA-C, CNCosta Mesa, CA 926271336319839
Common questions
What is Esther Lamb, PA's NPI number?
Esther Lamb, PA's National Provider Identifier (NPI) is 1700917770, issued on Mar 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Esther Lamb, PA located?
The NPPES record lists a practice address at 1640 Newport Blvd Ste 370, Costa Mesa, CA, 92627. Phone: (949) 288-5701. Providers update this record themselves, so call before visiting.
How can I verify Esther Lamb, PA's license?
NPPES lists California license number PA17822, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Esther Lamb, PA prescribe under Medicare Part D?
In 2024, Esther Lamb, PA had 902 Medicare Part D claims for 220 beneficiaries; the average among physician assistant prescribers was 830. 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.