Mr. John J Grandner
CRNP | Nurse Practitioner
2101 E Jefferson St, Rockville
Maryland, 20852-4908
202-898-5104
Mr. John J Grandner is a Rockville, Maryland based nurse practitioner who is specialized as Nurse Practitioner. Active license number of Mr. John J Grandner is RN47957 for Nurse Practitioner in District Of Columbia. His current practice location is 2101 E Jefferson St, Rockville. Patients can reach him at 202-898-5104 or can fax him at 202-898-5474. Mr. John J Grandner is CRNP with specialization in Nurse Practitioner and his NPI number (Unique professional ID assigned by NPPES) is 1699843094.
Mr. John J Grandner has completed additional training beyond basic nursing education and provides primary health care services in accordance with state nurse practice laws or statutes. NPs are trained to assess patient needs, order and interpret diagnostic and laboratory tests, diagnose disease, formulate and prescribe medications and treatment plans.
Complete Profile:
Mr. John J Grandner speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Mr. John J Grandner |
| Specialization: | Nurse Practitioner (NP) |
| Gender: | Male |
| Credentials: | CRNP |
| Practice Address: | 2101 E Jefferson St, Rockville,
Maryland, 20852-4908 |
| Phone: | 202-898-5104 |
| Fax: | 202-898-5474 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1699843094 |
| NPI Enumeration Date: | 01 Dec, 2006 |
| NPI Last Update On: | 05 Jan, 2012 |
Medical Licenses:
NPs can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mr. John J Grandner are as mentioned below.
| License Number | Specialization | State | Status | |
| RN47957 | Nurse Practitioner | District Of Columbia | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Mr. John J Grandner
2101 East Jefferson Street, Ppqa Medicare Compliance Unit 6 West
Rockville, Maryland |
| Zip: | 20852-4908 |
| Phone Number: | 301-816-2414 |
| Fax Number: | 301-388-1740 |
Patients can reach Mr. John J Grandner at
2101 E Jefferson St, Rockville, Maryland or can
call to book an appointment on 202-898-5104.
Comments/ Reviews:
Patients can read all the reviews posted for Mr. John J Grandner below. You may also share your own experience like the quality of treatment, behavior, and overall care provided by Mr. John J Grandner. It will help others make informed decisions.
Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 February, 2026.