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Dennis Drehner, DO
NPI 1578556643 · Pediatric Pathology Physician · Orlando, FL
Dennis Drehner, DO is a Pediatric Pathology Physician provider in Orlando, FL (NPI 1578556643).
Provider details
- NPI number
- 1578556643
- Entity type
- Individual
- Primary specialty
- Pediatric Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 41867 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1717 S. Orange Ave., Suite 100
Nemours Childrens Clinic, Orlando
Orlando, FL 32806-2946
Phone: (407) 650-7715
Fax: (407) 650-7124
Street-level locationGet directions
Mailing address
P.o. Box 191
Rockland, DE 19732-0191
Registry dates
- Enumerated
- 2005-08-24
- Last updated
- 2012-10-24
Frequently asked questions
- What is Dennis Drehner's NPI number?
- Dennis Drehner's National Provider Identifier (NPI) is 1578556643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Drehner's specialty?
- Dennis Drehner is listed in the NPPES registry with a primary specialty of Pediatric Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Drehner located?
- Dennis Drehner's practice location on file with NPPES is 1717 S. Orange Ave., Suite 100, Orlando, FL 32806-2946.
- What is Dennis Drehner's phone number?
- The practice phone number listed in the NPPES registry for Dennis Drehner is (407) 650-7715.
- Is Dennis Drehner's NPI active?
- Yes — Dennis Drehner's NPI (1578556643) is active in the NPPES registry as of the last update on 2012-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.