IndividualActive
Cristina Johnston, M.D.
NPI 1538116793 · Anesthesiology Physician · Rockville, MD
Cristina Johnston, M.D. is a Anesthesiology Physician provider in Rockville, MD (NPI 1538116793).
Provider details
- NPI number
- 1538116793
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- License
- D17433 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
14820 Physicians Ln
242
Rockville, MD 20850-3945
Phone: (301) 838-9606
Street-level locationGet directions
Mailing address
3458 Holland Cliffs Rd
Huntingtown, MD 20639-9722
Registry dates
- Enumerated
- 2006-05-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Cristina Johnston's NPI number?
- Cristina Johnston's National Provider Identifier (NPI) is 1538116793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cristina Johnston's specialty?
- Cristina Johnston is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Cristina Johnston located?
- Cristina Johnston's practice location on file with NPPES is 14820 Physicians Ln, Rockville, MD 20850-3945.
- What is Cristina Johnston's phone number?
- The practice phone number listed in the NPPES registry for Cristina Johnston is (301) 838-9606.
- Is Cristina Johnston's NPI active?
- Yes — Cristina Johnston's NPI (1538116793) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.