John Mendes, M.D.
NPI 1558434803 · Orthopaedic Surgery Physician · Montclair, NJ
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mendes, M.D. is a Orthopaedic Surgery Physician provider in Montclair, NJ (NPI 1558434803).
Provider details
- NPI number
- 1558434803
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MA40573 (NJ)
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
19 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
- 2006-11-16
- Last updated
- 2016-06-06
Frequently asked questions
- What is John Mendes's NPI number?
- John Mendes's National Provider Identifier (NPI) is 1558434803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mendes's specialty?
- John Mendes is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Mendes located?
- John Mendes's practice location on file with NPPES is 1 Bay Ave, Montclair, NJ 07042-4837.
- What is John Mendes's phone number?
- The practice phone number listed in the NPPES registry for John Mendes is (973) 680-7831.
- Does John Mendes accept Medicare?
- John Mendes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mendes's NPI active?
- Yes — John Mendes's NPI (1558434803) is active in the NPPES registry as of the last update on 2016-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.