Sandra Johnson, MD
NPI 1881182939 · Hospitalist Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Johnson, MD is a Hospitalist Physician provider in Baltimore, MD (NPI 1881182939).
Provider details
- NPI number
- 1881182939
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D91937 (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 tenure28% of score
8 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
398 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 202 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 60 | $80 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 59 | $176 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 42 | $50 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 35 | $117 |
Typical Medicare-allowed amounts for these services range $50–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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)
- 1250 E Marshall StRichmond, VA 23298-5051Phone: (804) 828-9726
Registry dates
- Enumerated
- 2018-04-24
- Last updated
- 2023-05-12
- Certified
- 2023-05-12
Frequently asked questions
- What is Sandra Johnson's NPI number?
- Sandra Johnson's National Provider Identifier (NPI) is 1881182939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Johnson's specialty?
- Sandra Johnson is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Johnson located?
- Sandra Johnson's practice location on file with NPPES is 600 N Wolfe Street, Baltimore, MD 21287.
- What is Sandra Johnson's phone number?
- The practice phone number listed in the NPPES registry for Sandra Johnson is (410) 614-4474.
- Does Sandra Johnson accept Medicare?
- Sandra Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Johnson's NPI active?
- Yes — Sandra Johnson's NPI (1881182939) is active in the NPPES registry as of the last update on 2023-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.