Steven A. Tenenbaum, M.D.
General Practice Physician · Thousand Oaks, CA
Steven A. Tenenbaum, M.D. is a general practice physician with a practice address in Thousand Oaks, California, and NPI 1023126661, issued on Aug 25, 2006. Check the license (California A73555, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven A. Tenenbaum
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A73555 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Newbury RD, Thousand Oaks, CA 91320
- Phone
- (805) 584-9476
- Enumerated
- Aug 25, 2006
- Record last updated
- May 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (805) 214-9930
- Medicare enrollment
- Enrolled (PECOS I20061031000506); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 1000 Newbury RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Steven A. Tenenbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A73555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average general practice physician in 2024
1,287 Medicare Part D claims for 132 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 17 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium99 claims
- Ezetimibe66 claims
- Levothyroxine Sodium58 claims
- Gabapentin33 claims
- Olmesartan Medoxomil32 claims
- Lisinopril30 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: $637.29
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 4,259 providers of this specialty with any payment received $1,273.40 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.
Steven A. Tenenbaum among 1,956 general practice physician records in California
Steven A. Tenenbaum, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1999 · median 1994 among the 520 with a school on file
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Thousand Oaks → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Linda Hunt, M.D.Newbury Park, CA 913201366401572
- Richard Markus, MDNewbury Park, CA 913201396198529
- Raymond Dorio, M.D.Newhall, CA 913211205984739
- Ilona Abraham, MDEncino, CA 913161700939576
- Kiran Dua, M.D.Northridge, CA 913241568482461
- Michael Hoffman, M.D.Encino, CA 913161285970863
- Timothy Lee, M.D.Northridge, CA 913251730165903
- Conrad Miranda, M.D.Northridge, CA 913251073554168
Common questions
What is Steven A. Tenenbaum, M.D.'s NPI number?
Steven A. Tenenbaum, M.D.'s National Provider Identifier (NPI) is 1023126661, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven A. Tenenbaum, M.D. located?
The NPPES record lists a practice address at 1000 Newbury RD, Thousand Oaks, CA, 91320. Phone: (805) 584-9476. Providers update this record themselves, so call before visiting.
How can I verify Steven A. Tenenbaum, M.D.'s license?
NPPES lists California license number A73555, 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 Steven A. Tenenbaum, M.D. prescribe under Medicare Part D?
In 2024, Steven A. Tenenbaum, M.D. had 1,287 Medicare Part D claims for 132 beneficiaries; the average among general practice physician prescribers was 3,030. 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.