Mallory Lostumbo
NPI 1073923132 · Pediatrics Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mallory Lostumbo is a Pediatrics Physician provider in Rockville, MD (NPI 1073923132).
Provider details
- NPI number
- 1073923132
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- D83313 (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
12 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
- 2014-04-29
- Last updated
- 2025-03-31
- Certified
- 2025-03-31
Frequently asked questions
- What is Mallory Lostumbo's NPI number?
- Mallory Lostumbo's National Provider Identifier (NPI) is 1073923132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Lostumbo's specialty?
- Mallory Lostumbo is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mallory Lostumbo located?
- Mallory Lostumbo's practice location on file with NPPES is 1201 Seven Locks Rd Ste 201, Rockville, MD 20854-2963.
- What is Mallory Lostumbo's phone number?
- The practice phone number listed in the NPPES registry for Mallory Lostumbo is (301) 881-7995.
- Does Mallory Lostumbo accept Medicare?
- Mallory Lostumbo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mallory Lostumbo's NPI active?
- Yes — Mallory Lostumbo's NPI (1073923132) is active in the NPPES registry as of the last update on 2025-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.