Saralyn Mark, MD
NPI 1427364256 · Internal Medicine Physician · Washington, DC
Saralyn Mark, MD is a Internal Medicine Physician provider in Washington, DC (NPI 1427364256).
Provider details
- NPI number
- 1427364256
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD21231 (DC)
Specialties & taxonomies
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
15 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
Mailing address
Registry dates
- Enumerated
- 2010-08-31
- Last updated
- 2010-08-31
Frequently asked questions
- What is Saralyn Mark's NPI number?
- Saralyn Mark's National Provider Identifier (NPI) is 1427364256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Saralyn Mark's specialty?
- Saralyn Mark is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Saralyn Mark located?
- Saralyn Mark's practice location on file with NPPES is 4208 Ingomar St, Nw, Washington, DC 20015.
- What is Saralyn Mark's phone number?
- The practice phone number listed in the NPPES registry for Saralyn Mark is (202) 230-4101.
- Is Saralyn Mark's NPI active?
- Yes — Saralyn Mark's NPI (1427364256) is active in the NPPES registry as of the last update on 2010-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.