Mark Riggs, D.C., D.A.B.C.I
Mark Riggs, D.C., D.A.B.C.I is a provider specialising in Internist Chiropractor in Englewood, CO, registered under NPI 1245629047. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
The practice address on file is 88 INVERNESS CIR E UNIT A208, Englewood, CO 80112. 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 |
|---|---|---|
| CHR.0007240 | CO | Internist Chiropractor primary |
| CHR.0007240 | CO | Chiropractor |
This provider holds licence CHR.0007240 issued in CO. 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 Internist covers
The chiropractic internist may serve as a primary care physician or may see patients referred from other providers for evaluation and co-management. Evaluation is focused on the early detection of functional, nutritional, and pathological disorders. A chiropractic internist utilizes the diagnostic instruments necessary for proper examination. In cases where laboratory examination is necessary, a chiropractic internist utilizes a recognized reference laboratory facility. A chiropractic internist may manage his or her own cases or may refer to another specialist when prudent to do so. The chiropractic internist utilizes documented natural therapies, therapeutic lifestyle changes, patient education and other resources to promote patient health and avoidance of disease. NUCC Health Care Provider Taxonomy, code 111NI0900X
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 | |
|---|---|---|---|---|
| 111NI0900X | Internist Chiropractor Internist | CHR.0007240 | CO | primary |
| 111N00000X | Chiropractor | CHR.0007240 | CO |
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 | 1245629047 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jan 16, 2015 |
| Last updated | Jul 21, 2022 |
| Status | Active |
| Sole proprietor | No |
| Credential | D.C., D.A.B.C.I |
| Practice address |
88 INVERNESS CIR E UNIT A208 Englewood, CO 80112 (720) 722-0386 |
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 | 2 | 4 | 5 | 6 | 2 | 9 | 0 | 4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 2 | 8 | 5 | 3 | 2 | 9 | 0 | 8 |
Sum = 63 · next multiple of 10 = 70 · check digit = 7 · actual last digit = 7
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.