John A. Hermann, CRNP
Gerontology Nurse Practitioner · Baltimore, MD
John A. Hermann, CRNP is a gerontology nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1649327628, issued on Jan 4, 2007. Check the license (Maryland R137796, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John A. Hermann
- Credential
- CRNP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- R137796 MD
Self-reported in NPPES; status is on the state search - Practice location
- 201 E University Pkwy, Baltimore, MD 21218
- Phone
- (410) 554-2008
- Enumerated
- Jan 4, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250731003077); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 199 in Maryland → Look up another NPI →
Also registered at 201 E University Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Addis, DPTPhysical Therapist1457675381
- Kehinde Adedulu, NPFamily Nurse Practitioner1821856642
- Biplov AdhikariStudent in an Organized Health Care Education/Training Program1780256800
- Yehudah Adler, PMHNPPsychiatric/Mental Health Nurse Practitioner1750124210
- Anup AgarwalInternal Medicine Physician1366844722
- Moses Agbonavbare, PA-CSurgical Physician Assistant1578225439
Verify John A. Hermann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R137796Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
133 Medicare Part D claims for 58 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D.
Most prescribed
- Clopidogrel58 claims
- Nitroglycerin13 claims
- Pantoprazole Sodium12 claims
- Amoxicillin11 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 one group practice
- Dimensions Healthcare Associates, IncUpper Marlboro, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John A. Hermann among 199 gerontology nurse practitioner records in Maryland
John A. Hermann, CRNP is one of 199 gerontology nurse practitioner records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 74% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2000 · median 2019 among the 98 with a school on file
- Record last updated2007 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Maryland
There are 199 gerontology nurse practitioner records in Maryland.
All 199 in Maryland → Every provider in Baltimore → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Ija DeliaBaltimore, MD 212181003433285
- Kathleen Demario, CRNPBaltimore, MD 212181285654855
- Deborah Lubow, R.N. , CRNP,Baltimore, MD 212181194727370
- Barbara Resnick, PHD, CRNP, FAAN ,FAABaltimore, MD 212181942205380
- Laura CerretaBaltimore, MD 212151144061763
- Eyerusalem HagosEssex, MD 212211134662497
- Mariatu Sulaiman, GNPBaltimore, MD 212151336919513
- Stella UwalorDundalk, MD 212221326611526
Common questions
What is John A. Hermann, CRNP's NPI number?
John A. Hermann, CRNP's National Provider Identifier (NPI) is 1649327628, issued on Jan 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John A. Hermann, CRNP located?
The NPPES record lists a practice address at 201 E University Pkwy, Baltimore, MD, 21218. Phone: (410) 554-2008. Providers update this record themselves, so call before visiting.
How can I verify John A. Hermann, CRNP's license?
NPPES lists Maryland license number R137796, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does John A. Hermann, CRNP prescribe under Medicare Part D?
In 2024, John A. Hermann, CRNP had 133 Medicare Part D claims for 58 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.