Mark I. Zelnick, AuD
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 2204 Flatbush Ave, Brooklyn, NY 11234-4516
- Practice phone
- Call (718) 252-0557
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mark Zelnick Inc.
Physician office · Brooklyn, New York
Find Mark Zelnick'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.
Mark I. Zelnick is an audiologist-hearing aid fitter in Brooklyn, New York
Mark Zelnick practices at Mark Zelnick Inc. in Brooklyn, New York.
Mark Zelnick's NPI, 1316015340, was assigned on November 30, 2006. Mark Zelnick holds New York license 452.
- NPI
- 1316015340NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901071026
- NPI enumeration date
- November 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 252-0557
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark I. Zelnick practices at Mark Zelnick Inc. in Brooklyn, New York
Mark Zelnick's primary practice is Mark Zelnick Inc., at 2204 Flatbush Ave, Brooklyn, NY 11234-4516. The practice phone is (718) 252-0557.
- Mark Zelnick Inc.2204 Flatbush Ave, Brooklyn, NY 11234-4516Phone(718) 252-0557
Source: Dmand AI Affiliation Data
Mark I. Zelnick is affiliated with 1 site of care
Mark Zelnick's primary practice is Mark Zelnick Inc. in Brooklyn, New York.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark I. Zelnick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Zelnick practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mark Zelnick Inc. | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Mark I. Zelnick is one of 73 audiologist-hearing aid fitters in New York
Audiologist-hearing aid fitter is Mark Zelnick's primary specialty in the NPI Registry, under taxonomy code 237600000X. Mark Zelnick is licensed in New York.
Specialties and state licenses
- Audiologist-hearing aid fitter, New YorkPrimary
Audiologist-hearing aid fitters near Mark Zelnick
Counts of audiologist-hearing aid fitters 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
Mark I. Zelnick's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Mark Zelnick's median patient age at 78, with 67% women.
Mark Zelnick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
How Mark I. Zelnick takes part in Medicare
Mark Zelnick accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Mark I. Zelnick'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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Mark I. Zelnick
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What is Mark I. Zelnick's NPI number?
Mark I. Zelnick's NPI number is 1316015340. It was assigned on November 30, 2006, and it is active in the NPI Registry.
What does Mark I. Zelnick specialize in?
Mark I. Zelnick is an audiologist-hearing aid fitter in Brooklyn, New York. The primary specialty in the NPI Registry is Audiologist-Hearing Aid Fitter (taxonomy code 237600000X).
Where does Mark I. Zelnick practice?
Mark Zelnick practices at 2204 Flatbush Ave, Brooklyn, NY 11234-4516. Mark Zelnick's primary practice is Mark Zelnick Inc. in Brooklyn, New York.
What is Mark I. Zelnick's office phone number?
The practice phone on file for Mark Zelnick is (718) 252-0557.
What is Mark I. Zelnick's medical license number?
Mark Zelnick holds New York license 452.
Does Mark I. Zelnick accept Medicare?
Yes. CMS lists Mark Zelnick as accepting Medicare assignment.
How long has Mark I. Zelnick been practicing?
Mark Zelnick graduated from medical school in 2006, 20 years ago.
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