Erna Hammer, CNP
NPI 1235210139 · Adult Health Nurse Practitioner · Cleveland, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erna Hammer, CNP is a Adult Health Nurse Practitioner provider in Cleveland, OH (NPI 1235210139).
Provider details
- NPI number
- 1235210139
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- NP-06639 (OH)
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
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
- 2006-10-18
- Last updated
- 2020-12-20
- Certified
- 2020-12-19
Frequently asked questions
- What is Erna Hammer's NPI number?
- Erna Hammer's National Provider Identifier (NPI) is 1235210139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erna Hammer's specialty?
- Erna Hammer is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erna Hammer located?
- Erna Hammer's practice location on file with NPPES is 11100 Euclid Ave, Cleveland, OH 44106-1716.
- What is Erna Hammer's phone number?
- The practice phone number listed in the NPPES registry for Erna Hammer is (216) 844-8353.
- Does Erna Hammer accept Medicare?
- Erna Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erna Hammer's NPI active?
- Yes — Erna Hammer's NPI (1235210139) is active in the NPPES registry as of the last update on 2020-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.