Maximilian Merz, MD
NPI 1689480196 · Hematology & Oncology Physician · New York, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maximilian Merz, MD is a Hematology & Oncology Physician provider in New York, NY (NPI 1689480196).
Provider details
- NPI number
- 1689480196
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 332922 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-12-09
- Last updated
- 2024-12-09
- Certified
- 2024-12-09
Frequently asked questions
- What is Maximilian Merz's NPI number?
- Maximilian Merz's National Provider Identifier (NPI) is 1689480196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maximilian Merz's specialty?
- Maximilian Merz is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Maximilian Merz located?
- Maximilian Merz's practice location on file with NPPES is 1275 York Ave, New York, NY 10065-6007.
- What is Maximilian Merz's phone number?
- The practice phone number listed in the NPPES registry for Maximilian Merz is (646) 608-4165.
- Does Maximilian Merz accept Medicare?
- Maximilian Merz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maximilian Merz's NPI active?
- Yes — Maximilian Merz's NPI (1689480196) is active in the NPPES registry as of the last update on 2024-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.