Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

MS. Erna Hammer, CNP

Individual provider Adult Health Nurse Practitioner · NPI 1235210139

MS. Erna Hammer, CNP is a Nurse Practitioner in Cleveland, Ohio. Qualified in 2001, 25 years ago. Practices with University Hospitals Cleveland Medical Center, a 126-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
25
Licensed in
OH
In the registry since
2006
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

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Practice location Address checks out

11100 Euclid Ave Wrn 5057
Cleveland, OH 44106-1716
Phone: (216) 844-8353
Fax: (216) 844-1521
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence NP-06639 (OH)

Record details

NPI number1235210139
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedOctober 18, 2006
Last updated in NPPESDecember 20, 2020
Certification dateDecember 19, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice University Hospitals Cleveland Medical Center — 126 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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