Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Alexander Joseph Neilson, DO

Individual provider Anesthesiology Physician · NPI 1316506728

Alexander Joseph Neilson, DO is an Anesthesiology in Silver Spring, Maryland. Graduated from Campbell Univ School of Osteopathic Medicine in 2019, 7 years ago. Practices with First Colonies Anesthesia Associates, LLC, a 340-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
7
Trained at
Campbell Univ School of Osteopathic Medicine
Licensed in
MD
In the registry since
2019
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

11890 Healing Way
Silver Spring, MD 20904-7917
Phone: (240) 637-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence H0100209 (MD)

Record details

NPI number1316506728
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 10, 2019
Last updated in NPPESAugust 12, 2024
Certification dateAugust 12, 2024
Mailing address10400 Little Patuxent Pkwy Ste 240, Columbia, MD 21044-3540

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolCAMPBELL UNIV SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 2019 (7 years in practice)
Group practice First Colonies Anesthesia Associates, Llc — 340 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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