Erna Hammer, CNP
Adult Health Nurse Practitioner · Cleveland, OH
Erna Hammer, CNP is an adult health nurse practitioner with a practice address in Cleveland, Ohio, and NPI 1235210139, issued on Oct 18, 2006. Check the license (Ohio NP-06639, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erna Hammer
- Credential
- CNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- NP-06639 OH
Self-reported in NPPES; status is on the state search - Practice location
- 11100 Euclid Ave, Cleveland, OH 44106
- Phone
- (216) 844-8353
- Enumerated
- Oct 18, 2006
- Record last updated
- Dec 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (216) 844-1521
- Medicare enrollment
- Enrolled (PECOS I20141119001732); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,591 in Ohio → Look up another NPI →
Also registered at 11100 Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Erna Hammer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license NP-06639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
45 Medicare Part D claims, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- University Hospitals Cleveland Medical CenterCleveland, OH
- University Hospitals Medical Group IncCleveland, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erna Hammer among 1,591 adult health nurse practitioner records in Ohio
Erna Hammer, CNP is one of 1,591 adult health nurse practitioner records with a practice address in Ohio. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 83% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2001 · median 2013 among the 939 with a school on file
- Record last updated2020 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Ohio
There are 1,591 adult health nurse practitioner records in Ohio.
All 1,591 in Ohio → Every provider in Cleveland → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Mary Armao, CNPCleveland, OH 441061457458309
- Lewis Beazlie, RN, CNP, BC, CARN-APCleveland, OH 441061124111380
- Laura Beck-Wilson, ARPNCleveland, OH 441061982717013
- Janet Briggs, MSN RNCleveland, OH 441061578673216
- Deborah Downey, RN, NPCleveland, OH 441061437264926
- Karen Farley, CNPCleveland, OH 441061356368344
- Connie Garlock, NPCleveland, OH 441061821106121
- Julie Gee, RN,MSN,CNPCleveland, OH 441061598859597
Common questions
What is Erna Hammer, CNP's NPI number?
Erna Hammer, CNP's National Provider Identifier (NPI) is 1235210139, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Erna Hammer, CNP located?
The NPPES record lists a practice address at 11100 Euclid Ave, Cleveland, OH, 44106. Phone: (216) 844-8353. Providers update this record themselves, so call before visiting.
How can I verify Erna Hammer, CNP's license?
NPPES lists Ohio license number NP-06639, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Erna Hammer, CNP prescribe under Medicare Part D?
In 2024, Erna Hammer, CNP had 45 Medicare Part D claims; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.