Dennis a Grollo Mdsc
NPI 1487910220 · Family Medicine Physician · Libertyville, IL
Dennis a Grollo Mdsc is a Family Medicine Physician organization in Libertyville, IL (NPI 1487910220).
Provider details
- NPI number
- 1487910220
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Barbara Grollo, Business Manager(847) 362-2311
- License
- 036057324 (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
14 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
- 2012-04-05
- Last updated
- 2012-04-05
Frequently asked questions
- What is Dennis a Grollo Mdsc's NPI number?
- Dennis a Grollo Mdsc's National Provider Identifier (NPI) is 1487910220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dennis a Grollo Mdsc?
- Dennis a Grollo Mdsc is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis a Grollo Mdsc located?
- Dennis a Grollo Mdsc's practice location on file with NPPES is 535 W Park Ave, Libertyville, IL 60048-2670.
- What is Dennis a Grollo Mdsc's phone number?
- The practice phone number listed in the NPPES registry for Dennis a Grollo Mdsc is (847) 362-2311.
- Who is the authorized official for Dennis a Grollo Mdsc?
- The authorized official listed on Dennis a Grollo Mdsc's NPPES record is Barbara Grollo, Business Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dennis a Grollo Mdsc's NPI active?
- Yes — Dennis a Grollo Mdsc's NPI (1487910220) is active in the NPPES registry as of the last update on 2012-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.