Alexander Holston, M.D.
NPI 1629049358 · Neonatal-Perinatal Medicine Physician · Rockville, MD
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Holston, M.D. is a Neonatal-Perinatal Medicine Physician provider in Rockville, MD (NPI 1629049358).
Provider details
- NPI number
- 1629049358
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0097317 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-01-31
- Last updated
- 2024-11-15
- Certified
- 2024-11-15
Frequently asked questions
- What is Alexander Holston's NPI number?
- Alexander Holston's National Provider Identifier (NPI) is 1629049358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Holston's specialty?
- Alexander Holston is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Holston located?
- Alexander Holston's practice location on file with NPPES is 9901 Medical Center Dr, Rockville, MD 20850-3357.
- What is Alexander Holston's phone number?
- The practice phone number listed in the NPPES registry for Alexander Holston is (301) 873-9682.
- Does Alexander Holston accept Medicare?
- Alexander Holston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Holston's NPI active?
- Yes — Alexander Holston's NPI (1629049358) is active in the NPPES registry as of the last update on 2024-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.