David Alan Klein, MD, MS
Obstetrics & Gynecology Physician · La Jolla, CA
David Alan Klein, MD, MS is an obstetrics & gynecology physician with a practice address in La Jolla, California, and NPI 1780073635, issued on Jan 15, 2015. Check the license (California A155090, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Alan Klein
- Credential
- MD, MS
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A155090 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9300 Campus Point Dr, La Jolla, CA 92037
- Phone
- (800) 926-8273
- Enumerated
- Jan 15, 2015
- Record last updated
- Nov 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20200803001534); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 9300 Campus Point Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nadia Abu-Douleh, MSN CNM WHNP-BCAdvanced Practice Midwife1851157937
- Alina Adeel, M.DInfectious Disease Physician1831453596
- Delissa Ainsworth, PA-CPhysician Assistant1750734893
- Danielle Aliano, MDHospitalist Physician1891377842
- Emily Allard-Phillips, MDObstetrics & Gynecology Physician1194247635
- Joud AlmogatiDiagnostic Radiology Physician1548931983
Verify David Alan Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A155090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
118 Medicare Part D claims for 55 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Estradiol39 claims
- Estradiol (Once Weekly)18 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: $2,250.00
1 payment: education; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Alan Klein among 5,088 obstetrics & gynecology physician records in California
David Alan Klein, MD, MS is one of 5,088 obstetrics & gynecology physician 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 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2016 · median 2004 among the 2,700 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 obstetrics & gynecology physician records list a practice address in La Jolla
They are 68 of the 3,648 NPPES records with a practice address in La Jolla, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in La Jolla → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Timothy Bilash, M.D., M.S.La Jolla, CA 920371437189545
- Seth Bulow, M.D.La Jolla, CA 920371174635320
- Chrysten Cunningham, DOLa Jolla, CA 920371265435606
- Pamela Deak, M.D.La Jolla, CA 920371316978554
- Maureen Farrell, M.D.La Jolla, CA 920371508842303
- Robert Gordon, M.D.La Jolla, CA 920371619944030
- Pratima Gupta, MDLa Jolla, CA 920371891749842
- Patrick Haggerty, MDLa Jolla, CA 920371245280841
Common questions
What is David Alan Klein, MD, MS's NPI number?
David Alan Klein, MD, MS's National Provider Identifier (NPI) is 1780073635, issued on Jan 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is David Alan Klein, MD, MS located?
The NPPES record lists a practice address at 9300 Campus Point Dr, La Jolla, CA, 92037. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify David Alan Klein, MD, MS's license?
NPPES lists California license number A155090, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Alan Klein, MD, MS prescribe under Medicare Part D?
In 2024, David Alan Klein, MD, MS had 118 Medicare Part D claims for 55 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.