David Finkel, MD
David Finkel, MD is an Endocrinology, Diabetes & Metabolism Physician in Philadelphia, PA, registered under NPI 1609803840. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
The practice address on file is 51 N 39TH STREET MOB SUITE 280, Philadelphia, PA 19104. 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 |
|---|---|---|
| MD022792E | PA | Endocrinology, Diabetes & Metabolism… primary |
| MD022792E | PA | Internal Medicine Physician |
This provider holds licence MD022792E issued in PA. 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 Endocrinology, Diabetes & Metabolism covers
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems. NUCC Health Care Provider Taxonomy, code 207RE0101X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 207RE0101X | Endocrinology, Diabetes & Metabolism Physician Endocrinology, Diabetes & Metabolism | MD022792E | PA | primary |
| 207R00000X | Internal Medicine Physician | MD022792E | PA |
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 | 1609803840 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jun 26, 2006 |
| Last updated | Nov 19, 2009 |
| Status | Active |
| Sole proprietor | Yes |
| Credential | MD |
| Practice address |
51 N 39TH STREET MOB SUITE 280 Philadelphia, PA 19104 (215) 662-8874 Fax (215) 662-8798 |
| Other identifiers |
0084915907
· Other 1000304 · Other 20023139 · Other 3Y5558 · Other 0008491590001 · Medicaid (PA) 2346641000 · Other 3300202 · Other 06626 · Other 7208707 · Medicaid (NJ) P408454 · Other 279207 · Other 4376290 · Other 2659542 · Other EI1669501 · Other |
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 | 0 | 9 | 8 | 0 | 3 | 8 | 4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 6 | 0 | 9 | 7 | 0 | 6 | 8 | 8 |
Sum = 70 · next multiple of 10 = 70 · check digit = 0 · actual last digit = 0
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.