John Marzo, M.D.
NPI 1336121524 · Specialist · Buffalo, NY
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Marzo, M.D. is a Specialist provider in Buffalo, NY (NPI 1336121524).
Provider details
- NPI number
- 1336121524
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 164844 (NY)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs 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
- 2005-11-15
- Last updated
- 2011-03-10
Frequently asked questions
- What is John Marzo's NPI number?
- John Marzo's National Provider Identifier (NPI) is 1336121524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marzo's specialty?
- John Marzo is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is John Marzo located?
- John Marzo's practice location on file with NPPES is 3435 Main St, Buffalo, NY 14214-3001.
- What is John Marzo's phone number?
- The practice phone number listed in the NPPES registry for John Marzo is (716) 829-2982.
- Does John Marzo accept Medicare?
- John Marzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Marzo's NPI active?
- Yes — John Marzo's NPI (1336121524) is active in the NPPES registry as of the last update on 2011-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.