Geraldine Gan, DNP
Family Nurse Practitioner · Frederick, MD
Geraldine Gan, DNP is a family nurse practitioner with a practice address in Frederick, Maryland, and NPI 1124780523, issued on Oct 13, 2021. Check the license (Maryland R215362, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Geraldine Gan
- Credential
- DNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R215362 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5255 Buckeystown Pike, Frederick, MD 21704
- Phone
- (301) 695-5678
- Enumerated
- Oct 13, 2021
- Record last updated
- Dec 27, 2024
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 5255 Buckeystown Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Saba Warraich, NPFamily Nurse Practitioner1336807874
Verify Geraldine Gan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R215362Check 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: $209.15
5 payments; by number, the most common kind was food and beverage; the largest payer was Merz North America, 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.
Geraldine Gan among 4,124 family nurse practitioner records in Maryland
Geraldine Gan, DNP 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 2021, is newer than 65% of them.
- NPI issued2021 · 65% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2024 · 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).
136 family nurse practitioner records list a practice address in Frederick
They are 136 of the 3,981 NPPES records with a practice address in Frederick, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Frederick → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Matthew AlexanderFrederick, MD 217041427715424
- Felicia Bailey, DNP, CRNP, FNP-CFrederick, MD 217041801365101
- Razel Barkley, CRNPFrederick, MD 217041437609575
- Emily Cooper, FNPFrederick, MD 217041336667021
- Kirsten Edler, NPFrederick, MD 217041073982534
- Karen Gregory, FNP-CFrederick, MD 217041265997845
- Pui HonFrederick, MD 217041841683828
- Jessica Lacayo, FNP-BCUrbana, MD 217041326460817
Common questions
What is Geraldine Gan, DNP's NPI number?
Geraldine Gan, DNP's National Provider Identifier (NPI) is 1124780523, issued on Oct 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Geraldine Gan, DNP located?
The NPPES record lists a practice address at 5255 Buckeystown Pike, Frederick, MD, 21704. Phone: (301) 695-5678. Providers update this record themselves, so call before visiting.
How can I verify Geraldine Gan, DNP's license?
NPPES lists Maryland license number R215362, 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.