Isaac Eisenstein, M.D.
Cardiovascular Disease Physician · Lakewood, CA
Isaac Eisenstein, M.D. is a cardiovascular disease physician with a practice address in Lakewood, California, and NPI 1780649830, issued on Apr 20, 2006. Check the license (California A31303, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Isaac Eisenstein
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A31303 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3560 E. South St.,, Lakewood, CA 90712
- Phone
- (562) 531-1980
- Enumerated
- Apr 20, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (562) 531-7952
- Medicaid ID
- 00A313030 CA
- Medicare enrollment
- Enrolled (PECOS I20060403000271); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Verify Isaac Eisenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A31303Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,480 Medicare Part D claims for 569 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Amlodipine Besylate268 claims
- Eliquis224 claims
- Carvedilol183 claims
- Atorvastatin Calcium154 claims
- Furosemide135 claims
- Amiodarone Hcl113 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: $2,079.02
67 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 16,686 providers of this specialty with any payment received $3,819.56 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
- Prohealth Partners, A Medical GroupLakewood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac Eisenstein among 2,574 cardiovascular disease physician records in California
Isaac Eisenstein, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1968 · median 1999 among the 1,742 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Lakewood → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Hed Ahmadpour, M.D.Lakewood, CA 907121912093436
- William Madrid, M.D.Lakewood, CA 907121467419366
- Milan Rawal, M.D.Lakewood, CA 907121093913147
- Miguel Sanmarco, M.D.Lakewood, CA 907121508825258
- Kartik Thaker, M.D.Lakewood, CA 907121144207739
- Howard Baik, MDHarbor City, CA 907101053482034
- Chi-Hyun You, M.D.Harbor City, CA 907101306117064
- Joseph Angelo, MDBellflower, CA 907061114075900
Common questions
What is Isaac Eisenstein, M.D.'s NPI number?
Isaac Eisenstein, M.D.'s National Provider Identifier (NPI) is 1780649830, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Eisenstein, M.D. located?
The NPPES record lists a practice address at 3560 E. South St.,, Lakewood, CA, 90712. Phone: (562) 531-1980. Providers update this record themselves, so call before visiting.
How can I verify Isaac Eisenstein, M.D.'s license?
NPPES lists California license number A31303, 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 Isaac Eisenstein, M.D. prescribe under Medicare Part D?
In 2024, Isaac Eisenstein, M.D. had 2,480 Medicare Part D claims for 569 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.