James Aaron Lasky, MD
Obstetrics & Gynecology Physician · Pasadena, CA
James Aaron Lasky, MD is an obstetrics & gynecology physician with a practice address in Pasadena, California, and NPI 1679192587, issued on Apr 10, 2020. Check the license (California A195204, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Aaron Lasky
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A195204 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 W California Blvd, Pasadena, CA 91105
- Phone
- (864) 908-3530
- Enumerated
- Apr 10, 2020
- Record last updated
- May 23, 2024
- Medicare enrollment
- Enrolled (PECOS I20240624004239); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 100 W California Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devan Abhari, MDStudent in an Organized Health Care Education/Training Program1922849041
- Lina Acopians, DOHospitalist Physician1548821523
- Daniel Adran, MDNeuroradiology Physician1518456441
- Alipasha Adrangui, M.D.Hospitalist Physician1780911263
- Vahe Aghajanyan, M.D.Student in an Organized Health Care Education/Training Program1447047238
- Ignacio Aguilar, RNFARegistered Nurse First Assistant1497583603
Verify James Aaron Lasky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A195204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
35 Medicare Part D claims for 16 beneficiaries, against an average of 165 among the 28,733 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.
Bills Medicare through one group practice
- Obhg California PCLa Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Aaron Lasky among 5,088 obstetrics & gynecology physician records in California
James Aaron Lasky, MD 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 2020, is newer than 94% of them.
- NPI issued2020 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2020 · median 2004 among the 2,700 with a school on file
- Record last updated2024 · 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).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Pasadena → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ebenezer Ajilore, M.D.Pasadena, CA 911051891787537
- Jennie Chang, M.D.Pasadena, CA 911051982668422
- Della Fong, M.D.Pasadena, CA 911051700813359
- Melissa Grier, M.D.Pasadena, CA 911051861484420
- Wilbert Henneberg, MDPasadena, CA 911051265433155
- Bryan Jick, MDPasadena, CA 911051720051436
- Joseph Li, M.D.Pasadena, CA 911051770573941
- James Macer, MDPasadena, CA 911051134129711
Common questions
What is James Aaron Lasky, MD's NPI number?
James Aaron Lasky, MD's National Provider Identifier (NPI) is 1679192587, issued on Apr 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is James Aaron Lasky, MD located?
The NPPES record lists a practice address at 100 W California Blvd, Pasadena, CA, 91105. Phone: (864) 908-3530. Providers update this record themselves, so call before visiting.
How can I verify James Aaron Lasky, MD's license?
NPPES lists California license number A195204, 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 James Aaron Lasky, MD prescribe under Medicare Part D?
In 2024, James Aaron Lasky, MD had 35 Medicare Part D claims for 16 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.