Marek Belz, M.D.
NPI 1073732699 · Psychiatry Physician · Summit, NJ
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marek Belz, M.D. is a Psychiatry Physician provider in Summit, NJ (NPI 1073732699).
Provider details
- NPI number
- 1073732699
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA09259100 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 44 |
| Sertraline Hcl | 38 |
| Mirtazapine | 25 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 22 |
| Prazosin Hcl | 22 |
| Naltrexone Microspheresbrand: Vivitrol | 22 |
| Hydroxyzine Pamoate | 21 |
| Buspirone Hcl | 19 |
| Escitalopram Oxalate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$63 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-24
- Last updated
- 2014-08-06
Frequently asked questions
- What is Marek Belz's NPI number?
- Marek Belz's National Provider Identifier (NPI) is 1073732699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marek Belz's specialty?
- Marek Belz is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marek Belz located?
- Marek Belz's practice location on file with NPPES is 19 Prospect St, Summit, NJ 07901-2530.
- What is Marek Belz's phone number?
- The practice phone number listed in the NPPES registry for Marek Belz is (908) 277-9722.
- Does Marek Belz accept Medicare?
- Marek Belz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marek Belz's NPI active?
- Yes — Marek Belz's NPI (1073732699) is active in the NPPES registry as of the last update on 2014-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.