Christian Twiss, MD
Christian Twiss, MD is an Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician in Tucson, AZ, registered under NPI 1770505836. 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 3838 N CAMPBELL AVE BLDG 2, Tucson, AZ 85719. 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 |
|---|---|---|
| A93843 | AZ | Urology Physician |
| A93843 | AZ | Urogynecology and Reconstructive Pelvic… primary |
This provider holds licence A93843 issued in AZ. 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
- Practitioner - Urology
- PAC ID
- 0840296083
- Enrollment ID
- I20080709000571
Medicare enrolment is recorded as approved under the provider type Practitioner - Urology. 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 Urogynecology and Reconstructive Pelvic Surgery covers
A subspecialist in Urogynecology and Reconstructive Pelvic Surgery is a physician in Urology or Obstetrics and Gynecology who, by virtue of education and training, is prepared to provide consultation and comprehensive management of women with complex benign pelvic conditions, lower urinary tract disorders, and pelvic floor dysfunction. Comprehensive management includes those diagnostic and therapeutic procedures necessary for the total care of the patient with these conditions and complications resulting from them. NUCC Health Care Provider Taxonomy, code 2088F0040X
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 | |
|---|---|---|---|---|
| 208800000X | Urology Physician | A93843 | AZ | |
| 2088F0040X | Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician Urogynecology and Reconstructive Pelvic Surgery | A93843 | AZ | primary |
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 | 1770505836 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jul 24, 2006 |
| Last updated | Mar 12, 2025 |
| Status | Active |
| Sole proprietor | No |
| Gender | Male |
| Credential | MD |
| Practice address |
3838 N CAMPBELL AVE BLDG 2 Tucson, AZ 85719 (520) 694-4032 |
| Mailing address |
1501 N CAMPBELL AVE BOX 245077 Tucson, AZ 85724 |
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 | 7 | 7 | 0 | 5 | 0 | 5 | 8 | 3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 7 | 5 | 0 | 1 | 0 | 1 | 8 | 6 |
Sum = 54 · next multiple of 10 = 60 · check digit = 6 · actual last digit = 6
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.