Dr. Sidney Marshak, MD
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3484 E 1st St, Los Angeles, CA 90063
- Practice phone
- Call (323) 268-4436
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marshak Medical Group
Physician office · Los Angeles, California
Find Dr. Marshak's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sidney Marshak is a family medicine physician in Los Angeles, California
Dr. Marshak practices at Marshak Medical Group in Los Angeles, California.
Dr. Marshak's NPI, 1790851780, was assigned on November 28, 2006. Dr. Marshak holds California license A29098.
- NPI
- 1790851780NPI Registry (opens in a new tab)
- NPI enumeration date
- November 28, 2006
- NPI status
- Active
- Practice phone
- (323) 268-4436
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Sidney Marshak practices at Marshak Medical Group in Los Angeles, California
Dr. Marshak's primary practice is Marshak Medical Group, at 3484 E 1st St, Los Angeles, CA 90063. The practice phone is (323) 268-4436.
- Marshak Medical Group3484 E 1st St, Los Angeles, CA 90063Phone(323) 268-4436
Source: Dmand AI Affiliation Data
Dr. Sidney Marshak is affiliated with 1 site of care
Dr. Marshak's primary practice is Marshak Medical Group in Los Angeles, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sidney Marshak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshak Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sidney Marshak is one of 15,680 family medicine physicians in California
Family medicine is Dr. Marshak's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Marshak is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Marshak
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Sources for Dr. Sidney Marshak's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sidney Marshak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Sidney Marshak's NPI number?
Dr. Sidney Marshak's NPI number is 1790851780. It was assigned on November 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sidney Marshak?
Dr. Sidney Marshak is a family medicine physician in Los Angeles, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Sidney Marshak practice?
Dr. Marshak practices at 3484 E 1st St, Los Angeles, CA 90063. Dr. Marshak's primary practice is Marshak Medical Group in Los Angeles, California.
What is Dr. Sidney Marshak's office phone number?
The practice phone on file for Dr. Marshak is (323) 268-4436.
What is Dr. Sidney Marshak's medical license number?
Dr. Marshak holds California license A29098.
How long has Dr. Sidney Marshak been practicing?
Dr. Marshak's NPI was assigned in 2006.
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