Gregg Montalto, M.D.
NPI 1710073416 · Pediatric Adolescent Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Montalto, M.D. is a Pediatric Adolescent Medicine Physician provider in Chicago, IL (NPI 1710073416).
Provider details
- NPI number
- 1710073416
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036.147444 (IL)
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
2 documented practice locations
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
Additional practice locations (1)
- 8901 Wisconsin AvenueAttn: Department of PediatricsBethesda, MD 20889Phone: (301) 295-4910Fax: (301) 295-6173
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2019-01-03
Frequently asked questions
- What is Gregg Montalto's NPI number?
- Gregg Montalto's National Provider Identifier (NPI) is 1710073416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Montalto's specialty?
- Gregg Montalto is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg Montalto located?
- Gregg Montalto's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637.
- What is Gregg Montalto's phone number?
- The practice phone number listed in the NPPES registry for Gregg Montalto is (773) 702-7506.
- Does Gregg Montalto accept Medicare?
- Gregg Montalto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Montalto's NPI active?
- Yes — Gregg Montalto's NPI (1710073416) is active in the NPPES registry as of the last update on 2019-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.