Eric Marks, M.D.
NPI 1316009996 · Nephrology Physician · Washington, DC
Enrolled with Medicare as Order and Referring Only - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Marks, M.D. is a Nephrology Physician provider in Washington, DC (NPI 1316009996).
Provider details
- NPI number
- 1316009996
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- R6012 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-12-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Eric Marks's NPI number?
- Eric Marks's National Provider Identifier (NPI) is 1316009996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Marks's specialty?
- Eric Marks is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Marks located?
- Eric Marks's practice location on file with NPPES is 6900 Georgia Ave Nw, Washington, DC 20307-0001.
- What is Eric Marks's phone number?
- The practice phone number listed in the NPPES registry for Eric Marks is (301) 295-9603.
- Does Eric Marks accept Medicare?
- Eric Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Marks's NPI active?
- Yes — Eric Marks's NPI (1316009996) 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.