Constance Tangham
Constance Tangham is a provider specialising in Home Health Aide in Adelphi, MD, registered under NPI 1003301334. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
Here is what surrounds this office in Adelphi, based on OpenStreetMap data collected Sep 17, 2026. Parking is available about 633 ft away. The nearest transit stop is 756 ft away, served by Metzerott Road at The Delano Apartments. A pharmacy sits 0.32 mi from the entrance (Walgreens), which helps if you leave with a prescription.
Getting here and what is nearby
Parking 208 ft ~1 min
Transit Metzerott Rd at Presidential Towers 544 ft ~3 min
Parking 575 ft ~3 min
Parking 633 ft ~3 min
Transit Metzerott Road at Presidential Towers 732 ft ~3 min
Transit Metzerott Road at The Delano Apartments 756 ft ~3 min
Convenience Wawa 0.29 mi ~6 min
9100 Riggs Road, Hyattsville 20783
Restaurant Basil 0.29 mi ~6 min
Restaurant Pizza Hut 0.30 mi ~7 min
Convenience 7-Eleven 0.31 mi ~7 min
9254 New Hampshire Avenue, Silver Spring 20903-3630
Gas station Wawa 0.31 mi ~7 min
Pharmacy Walgreens 0.32 mi ~7 min
9139 Riggs Road, Adelphi 20783
Restaurant Popeyes 0.34 mi ~7 min
9147 Riggs Road, Adelphi 20783
Mo-Th 10:00-23:00; Fr-Sa 10:00-24:00; Su 10:00-23:00
Grocery BestWay 0.34 mi ~7 min
Convenience 7-Eleven 0.37 mi ~8 min
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 |
|---|---|---|
| HHA13717 | DC | Home Health Aide primary |
This provider holds licence HHA13717 issued in DC. 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 Home Health Aide covers
A person trained to assist public health nurses, home health nurses, and other health professionals in the bedside care of patients in their homes. NUCC Health Care Provider Taxonomy, code 374U00000X
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 | 1003301334 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jun 28, 2018 |
| Last updated | Jun 28, 2018 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Female |
| Practice address |
1836 METZEROTT RD APT 1103 Adelphi, MD 20783 (240) 481-2263 |
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 | 3 | 0 | 1 | 3 | 3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 6 | 0 | 2 | 3 | 6 |
Sum = 46 · next multiple of 10 = 50 · check digit = 4 · actual last digit = 4
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.