Joseph Nelson, M.D.
NPI 1861923617 · Critical Care Medicine (Internal Medicine) Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Nelson, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Baltimore, MD (NPI 1861923617).
Provider details
- NPI number
- 1861923617
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0092026 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
57 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 36 | $220 |
| Critical Care, Each Additional 30 Minutes99292 | 21 | $110 |
Typical Medicare-allowed amounts for these services range $110–$220 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 173 Macdougal St1Brooklyn, NY 11233-2624Phone: (718) 637-1480
Registry dates
- Enumerated
- 2017-03-23
- Last updated
- 2024-08-08
- Certified
- 2024-08-08
Frequently asked questions
- What is Joseph Nelson's NPI number?
- Joseph Nelson's National Provider Identifier (NPI) is 1861923617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Nelson's specialty?
- Joseph Nelson is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Nelson located?
- Joseph Nelson's practice location on file with NPPES is 22 S Greene St # T1r51, Baltimore, MD 21201-1544.
- What is Joseph Nelson's phone number?
- The practice phone number listed in the NPPES registry for Joseph Nelson is (410) 328-9878.
- Does Joseph Nelson accept Medicare?
- Joseph Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Nelson's NPI active?
- Yes — Joseph Nelson's NPI (1861923617) is active in the NPPES registry as of the last update on 2024-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.