Provider Profile
Wai M. Sin, FNP-BC
Unclaimed ProfileAbout Wai Sin
Wai M. Sin, FNP-BC is a nurse practitioner based in Baltimore, MD. Wai is also listed as specializing in nurse practitioner — family. According to Medicare claims data, Wai cared for 65 Medicare patients across 69 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (443) 777-2000
- Email not available
Practice Locations
9101 FRANKLIN SQUARE DR STE 300
Baltimore, MD 21237
Procedures Most Often Billed to Medicare
69 services · 65 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
37 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
21 |
| Automated urinalysis test | Lab test | 81003 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Baltimore 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Wai M. Sin's specialty?
Wai M. Sin is a nurse practitioner in Baltimore, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Wai M. Sin?
Wai M. Sin is listed at 9101 Franklin Square Dr Ste 300, Baltimore, MD 21237. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Wai M. Sin?
The number on file is (443) 777-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Wai M. Sin's NPI number?
Wai M. Sin's National Provider Identifier is 1881443364. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Wai M. Sin's education?
Wai M. Sin attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How long has Wai M. Sin been practicing?
Wai M. Sin has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What is Wai M. Sin known for?
According to Medicare billing data, Wai M. Sin the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Wai M. Sin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Wai M. Sin. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.