Ellen Koehler, CRNP
NPI 1700831542 · Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Koehler, CRNP is a Nurse Practitioner provider in Baltimore, MD (NPI 1700831542).
Provider details
- NPI number
- 1700831542
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R145838 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-05-23
- Last updated
- 2012-02-01
Frequently asked questions
- What is Ellen Koehler's NPI number?
- Ellen Koehler's National Provider Identifier (NPI) is 1700831542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Koehler's specialty?
- Ellen Koehler is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ellen Koehler located?
- Ellen Koehler's practice location on file with NPPES is 22 S Greene St, Baltimore, MD 21201-1544.
- What is Ellen Koehler's phone number?
- The practice phone number listed in the NPPES registry for Ellen Koehler is (410) 328-6598.
- Does Ellen Koehler accept Medicare?
- Ellen Koehler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Koehler's NPI active?
- Yes — Ellen Koehler's NPI (1700831542) is active in the NPPES registry as of the last update on 2012-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.