Gregory Nelson, D.O.
NPI 1750536520 · Anesthesiology Physician · Randallstown, MD
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Nelson, D.O. is a Anesthesiology Physician provider in Randallstown, MD (NPI 1750536520).
Provider details
- NPI number
- 1750536520
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- A-1484-08 (NM)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1200 S Cedar Crest Blvd Fl 2Allentown, PA 18103-6202Phone: (610) 402-6164
Registry dates
- Enumerated
- 2008-11-20
- Last updated
- 2026-01-23
- Certified
- 2026-01-23
Frequently asked questions
- What is Gregory Nelson's NPI number?
- Gregory Nelson's National Provider Identifier (NPI) is 1750536520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Nelson's specialty?
- Gregory Nelson is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Nelson located?
- Gregory Nelson's practice location on file with NPPES is 5401 Old Court Rd, Randallstown, MD 21133-5103.
- What is Gregory Nelson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Nelson is (410) 521-2200.
- Does Gregory Nelson accept Medicare?
- Gregory Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Nelson's NPI active?
- Yes — Gregory Nelson's NPI (1750536520) is active in the NPPES registry as of the last update on 2026-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.