Marc Callender, M.D.
NPI 1578736682 · Pediatrics Physician · Annapolis, MD
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Callender, M.D. is a Pediatrics Physician provider in Annapolis, MD (NPI 1578736682).
Provider details
- NPI number
- 1578736682
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 21906 (MD)
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
18 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
- 2008-04-09
- Last updated
- 2013-12-08
Frequently asked questions
- What is Marc Callender's NPI number?
- Marc Callender's National Provider Identifier (NPI) is 1578736682, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Callender's specialty?
- Marc Callender is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Callender located?
- Marc Callender's practice location on file with NPPES is 2001 Medical Pkwy, Annapolis, MD 21401-3280.
- What is Marc Callender's phone number?
- The practice phone number listed in the NPPES registry for Marc Callender is (443) 481-6968.
- Does Marc Callender accept Medicare?
- Marc Callender is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Callender's NPI active?
- Yes — Marc Callender's NPI (1578736682) is active in the NPPES registry as of the last update on 2013-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.