GRANDIFF MEDICAL SUPPLIES INC
GRANDIFF MEDICAL SUPPLIES INC is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1669428124, based in Silver Spring, MD. It is classified under Durable Medical Equipment & Medical Supplies.
Getting there
The practice address on file is 20 VITAL WAY, Silver Spring, MD 20904. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| R2253 | MD | Durable Medical Equipment & Medical… primary |
This provider holds licence R2253 issued in MD. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Dme Supplier - Medical Supply Company
- PAC ID
- 3072714864
- Enrollment ID
- O20100930073036
Medicare enrolment is recorded as approved under the provider type Dme Supplier - Medical Supply Company. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Durable Medical Equipment & Medical Supplies covers
A supplier of medical equipment such as respirators, wheelchairs, home dialysis systems, or monitoring systems, that are prescribed by a physician for a patient's use in the home and that are usable for an extended period of time. NUCC Health Care Provider Taxonomy, code 332B00000X
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-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1669428124 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | May 26, 2006 |
| Last updated | Sep 16, 2008 |
| Status | Active |
| Practice address |
20 VITAL WAY Silver Spring, MD 20904 (301) 388-0596 Fax (301) 388-0597 |
| Other identifiers |
027061500
· Medicaid (DC) 009119175 · Medicaid (VA) 414364700 · Medicaid (MD) 10079260 · Other (MD) |
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 | 6 | 6 | 9 | 4 | 2 | 8 | 1 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 6 | 3 | 9 | 8 | 2 | 7 | 1 | 4 |
Sum = 66 · next multiple of 10 = 70 · 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.