Wai Man Sin, FNP-BC
Family Nurse Practitioner · Baltimore, MD
Wai Man Sin, FNP-BC is a family nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1881443364, issued on May 16, 2024. Check the license (Maryland R223917, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wai Man Sin
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R223917 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9101 Franklin Square Dr Ste 300, Baltimore, MD 21237
- Phone
- (443) 777-2000
- Enumerated
- May 16, 2024
- Record last updated
- May 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20241122003558); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 9101 Franklin Square Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Brodine, M.D.Family Medicine Physician1467987446
- Lauren Drake, M.D.Family Medicine Physician1538506779
- Jefferson LustreStudent in an Organized Health Care Education/Training Program1760293062
- Abigail Meckes, PA-CMedical Physician Assistant1124201066
- Katherine Stolarz, D.O.Family Medicine Physician1912264441
Verify Wai Man Sin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R223917Check 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 family nurse practitioner in 2024
127 Medicare Part D claims for 52 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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
- Medstar Medical Group II LLCGlen Burnie, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wai Man Sin among 4,124 family nurse practitioner records in Maryland
Wai Man Sin, FNP-BC 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 2024, is newer than 86% of them.
- NPI issued2024 · 86% of these records are older, 7% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2023 · median 2019 among the 2,370 with a school on file
- 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).
712 family nurse practitioner records list a practice address in Baltimore
They are 712 of the 35,183 NPPES records with a practice address in Baltimore, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Baltimore → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Priscilla Benewaah, CRNPRosedale, MD 212371053715508
- Bridget Donnelly, CRNPRosedale, MD 212371124414131
- Nicholas Dowell, MSN, CRNPBaltimore, MD 212371164807806
- Jennifer Gaudiello, CRNPBaltimore, MD 212371548665128
- Patricia Groncki-Meninger, MS, CPNP, CFNPRosedale, MD 212371790861771
- Lera Ison, CRNP- FBaltimore, MD 212371952787400
- Jennifer Mays, CRNPRosedale, MD 212371942209069
- Marni Miltner, ANPBaltimore, MD 212371396126371
Common questions
What is Wai Man Sin, FNP-BC's NPI number?
Wai Man Sin, FNP-BC's National Provider Identifier (NPI) is 1881443364, issued on May 16, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Wai Man Sin, FNP-BC located?
The NPPES record lists a practice address at 9101 Franklin Square Dr Ste 300, Baltimore, MD, 21237. Phone: (443) 777-2000. Providers update this record themselves, so call before visiting.
How can I verify Wai Man Sin, FNP-BC's license?
NPPES lists Maryland license number R223917, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Wai Man Sin, FNP-BC prescribe under Medicare Part D?
In 2024, Wai Man Sin, FNP-BC had 127 Medicare Part D claims for 52 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.