Modesto Fontanez, M.D.
NPI 1851395826 · Neurological Surgery Physician · Ronkonkoma, NY
Modesto Fontanez, M.D. is a Neurological Surgery Physician provider in Ronkonkoma, NY (NPI 1851395826).
Provider details
- NPI number
- 1851395826
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35083857 (OH)
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 tenure38% of score
21 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
- 2005-06-08
- Last updated
- 2012-01-04
Frequently asked questions
- What is Modesto Fontanez's NPI number?
- Modesto Fontanez's National Provider Identifier (NPI) is 1851395826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Modesto Fontanez's specialty?
- Modesto Fontanez is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Modesto Fontanez located?
- Modesto Fontanez's practice location on file with NPPES is 2805 Veterans Memorial Hwy, Ronkonkoma, NY 11779-7647.
- What is Modesto Fontanez's phone number?
- The practice phone number listed in the NPPES registry for Modesto Fontanez is (631) 738-8300.
- Is Modesto Fontanez's NPI active?
- Yes — Modesto Fontanez's NPI (1851395826) is active in the NPPES registry as of the last update on 2012-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.