Marvin Pietruszka, M.D.
Internal Medicine Physician · Reseda, CA
Marvin Pietruszka, M.D. is an internal medicine physician with a practice address in Reseda, California, and NPI 1740393446, issued on Aug 16, 2006. Check the license (California A30858, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marvin Pietruszka
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A30858 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19234 Vanowen St, Reseda, CA 91335
- Phone
- (310) 914-9150
- Enumerated
- Aug 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 914-9705
- Medicaid ID
- 00A308580 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 19234 Vanowen St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Honey Pietruszka, PSY.D.Psychiatry Physician1063428985
Verify Marvin Pietruszka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A30858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,144 Medicare Part D claims for 60 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Naproxen85 claims
- Metformin Hcl76 claims
- Diclofenac Sodium59 claims
- Lisinopril56 claims
- Omeprazole56 claims
- Losartan Potassium55 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.
Marvin Pietruszka among 17,696 internal medicine physician records in California
Marvin Pietruszka, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 internal medicine physician records list a practice address in Reseda
They are 14 of the 773 NPPES records with a practice address in Reseda, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Reseda → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Agnes Bahng, MDReseda, CA 913351740570100
- Svetlana Baranovsky, M.D.Reseda, CA 913351922205814
- Daniel Darvish, MDReseda, CA 913351992973762
- Shahin Delkhah, M.D.Reseda, CA 913351265477749
- David Hernandez, MDReseda, CA 913351396756912
- Rosalynd Hicks, M.D.Reseda, CA 913351629381926
- Larissa Kalife, MDReseda, CA 913351659466316
- Noachim Marco, M.D.Reseda, CA 913351366848335
Common questions
What is Marvin Pietruszka, M.D.'s NPI number?
Marvin Pietruszka, M.D.'s National Provider Identifier (NPI) is 1740393446, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marvin Pietruszka, M.D. located?
The NPPES record lists a practice address at 19234 Vanowen St, Reseda, CA, 91335. Phone: (310) 914-9150. Providers update this record themselves, so call before visiting.
How can I verify Marvin Pietruszka, M.D.'s license?
NPPES lists California license number A30858, 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 Marvin Pietruszka, M.D. prescribe under Medicare Part D?
In 2024, Marvin Pietruszka, M.D. had 1,144 Medicare Part D claims for 60 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.