Margaret Natalie-Haslett Bischer, A-GNP-C
Primary Care Nurse Practitioner · La Jolla, CA
Margaret Natalie-Haslett Bischer, A-GNP-C is a primary care nurse practitioner with a practice address in La Jolla, California, and NPI 1679253041, issued on Jul 20, 2023. Check the license (California 95026124, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Natalie-Haslett Bischer
- Credential
- A-GNP-C
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- 95026124 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9850 Genesee Ave Ste 320, La Jolla, CA 92037
- Phone
- (858) 864-9800
- Enumerated
- Jul 20, 2023
- Record last updated
- Jul 20, 2023
- Medicare enrollment
- Enrolled (PECOS I20230816002748); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 1,131 in California → Look up another NPI →
Also registered at 9850 Genesee Ave Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelsey Abrahamsen, PA-CMedical Physician Assistant1396255477
- Heba Ahmed, DOFamily Medicine Physician1568969327
- Claire Anspach, RDRegistered Dietitian1093314130
- Mitra Bahaee, MDFamily Medicine Physician1407417736
- Lindzee Baker, PA-CPhysician Assistant1932827318
- Jantima Becker, PAPhysician Assistant1497370514
Verify Margaret Natalie-Haslett Bischer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95026124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
733 Medicare Part D claims for 199 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium47 claims
- Metformin Hcl25 claims
- Amlodipine Besylate24 claims
- Lisinopril24 claims
- Amoxicillin-Clavulanate Potass23 claims
- Azithromycin23 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: $311.35
15 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. 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.
Bills Medicare through one group practice
- Monica Perlman MD IncLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Natalie-Haslett Bischer among 1,131 primary care nurse practitioner records in California
Margaret Natalie-Haslett Bischer, A-GNP-C 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 2023, is newer than 71% of them.
- NPI issued2023 · 71% of these records are older, 22% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Graduated2023 · median 2019 among the 398 with a school on file
- Record last updated2023 · 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 La Jolla → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Leah Askegaard, AGPCNPLa Jolla, CA 920371366996258
- Abigail Joyce Ibarra, NPLa Jolla, CA 920371063102648
- Breanna Jordan, FNPLa Jolla, CA 920371336091768
- Maria Lambert, NPLa Jolla, CA 920371891288197
- Minette Pineda, NP, CNSLa Jolla, CA 920371144690694
- Christopher DuongEscondido, CA 920251033586532
- Joseph Garvin, NPEscondido, CA 920251437499704
- Sirrah LankfordEscondido, CA 920251174484356
Common questions
What is Margaret Natalie-Haslett Bischer, A-GNP-C's NPI number?
Margaret Natalie-Haslett Bischer, A-GNP-C's National Provider Identifier (NPI) is 1679253041, issued on Jul 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Natalie-Haslett Bischer, A-GNP-C located?
The NPPES record lists a practice address at 9850 Genesee Ave Ste 320, La Jolla, CA, 92037. Phone: (858) 864-9800. Providers update this record themselves, so call before visiting.
How can I verify Margaret Natalie-Haslett Bischer, A-GNP-C's license?
NPPES lists California license number 95026124, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Natalie-Haslett Bischer, A-GNP-C prescribe under Medicare Part D?
In 2024, Margaret Natalie-Haslett Bischer, A-GNP-C had 733 Medicare Part D claims for 199 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.