Sydney Mcwilliams
Sydney Mcwilliams is a School Psychologist in Annapolis, MD, registered under NPI 1003637299.
Getting there
Here is what surrounds this office in Annapolis, based on OpenStreetMap data collected Sep 21, 2026. Parking is available about 971 ft away. There is EV charging 0.22 mi from the office (Blink) — useful if you are driving in from out of town. The nearest transit stop is 0.30 mi away. If you arrive early, there is a coffee shop 516 ft away.
Getting here and what is nearby
Parking 389 ft ~2 min
Coffee Corner Cafe 516 ft ~2 min
2641 Riva Road
Mo-Sa 07:00-20:00; Su 07:00-18:00
EV charging Blink 535 ft ~3 min
Restaurant Subway 517 ft ~2 min
2641 Riva Road
Restaurant Squisito 605 ft ~3 min
2625 Riva Road, Annapolis 21401
Parking 776 ft ~3 min
Transit Annapolis Corporate Park 859 ft ~4 min
Parking 971 ft ~4 min
EV charging Blink 0.22 mi ~5 min
Hotel Hilton Garden Inn 0.28 mi ~6 min
Transit 0.29 mi ~6 min
Transit 0.30 mi ~6 min
Hotel Courtyard 0.32 mi ~7 min
Restaurant Chipotle 0.37 mi ~8 min
2557 Riva Road, Annapolis 21401
Hotel Extended Stay America 0.42 mi ~9 min
120 Admiral Cochrane Drive
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| CER166570K1K2Z4 | MD | School Psychologist primary |
This provider holds licence CER166570K1K2Z4 issued in MD. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What School covers
A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development NUCC Health Care Provider Taxonomy, code 103TS0200X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003637299 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Oct 21, 2024 |
| Last updated | Nov 7, 2024 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Practice address |
2644 RIVA RD Annapolis, MD 21401 (301) 233-7791 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 6 | 3 | 7 | 2 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 3 | 3 | 5 | 2 | 9 |
Sum = 51 · next multiple of 10 = 60 · check digit = 9 · actual last digit = 9
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.