Jun Guan, FNP
Family Nurse Practitioner · Rockville, MD
Jun Guan, FNP is a family nurse practitioner with a practice address in Rockville, Maryland, and NPI 1457004475, issued on Jan 31, 2022. Check the license (Maryland R230357, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jun Guan
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R230357 MD
Self-reported in NPPES; status is on the state search - Practice location
- 799 Rockville Pike, Rockville, MD 20852
- Phone
- (866) 389-2727
- Enumerated
- Jan 31, 2022
- Record last updated
- Jan 17, 2023
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 799 Rockville Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thecla Alexander, FNP-BCFamily Nurse Practitioner1316676976
- Anyinke Atabong, NPPsychiatric/Mental Health Nurse Practitioner1316359771
- Mohamed Barry, CRNP-FNPFamily Nurse Practitioner1073987954
- Tarina CharlestonPharmacist1639583958
- Marysa Kamleu, PHARMDPharmacist1700369972
- Grace KangPharmacist1760881478
Verify Jun Guan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R230357Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $112.69
6 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Jun Guan among 4,124 family nurse practitioner records in Maryland
Jun Guan, FNP is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 72% of them.
- NPI issued2022 · 72% of these records are older, 22% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2023 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
146 family nurse practitioner records list a practice address in Rockville
They are 146 of the 14,353 NPPES records with a practice address in Rockville, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Rockville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sarah Barfield-Early, MSN, FNP-C, IBCLCNorth Bethesda, MD 208521124443858
- Mohamed Barry, CRNP-FNPRockville, MD 208521073987954
- Dana Fleischhacker, NPNorth Bethesda, MD 208521881066843
- Paule Joseph, FNP, PHDRockville, MD 208521780980201
- Sarah Knowlton, FNPNorth Bethesda, MD 208521558716852
- Tina Mbatia, CRNP-FAMILYRockville, MD 208521619010154
- Masooda Naim, CRNP-FRockville, MD 208521730565607
- Kimberly Nieves, FNP-BCNorth Bethesda, MD 208521497799365
Common questions
What is Jun Guan, FNP's NPI number?
Jun Guan, FNP's National Provider Identifier (NPI) is 1457004475, issued on Jan 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Jun Guan, FNP located?
The NPPES record lists a practice address at 799 Rockville Pike, Rockville, MD, 20852. Phone: (866) 389-2727. Providers update this record themselves, so call before visiting.
How can I verify Jun Guan, FNP's license?
NPPES lists Maryland license number R230357, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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.