Stephen Klotz, MD
NPI 1801995196 · Infectious Disease Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Klotz, MD is a Infectious Disease Physician provider in Tucson, AZ (NPI 1801995196).
Provider details
- NPI number
- 1801995196
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 28776 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 205 | 22 |
| Emtricitab/Rilpiviri/Tenof Alabrand: Odefsey | 116 | — |
| Dolutegravir Sodiumbrand: Tivicay | 109 | 14 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 86 | 11 |
| Elviteg/Cob/Emtri/Tenof Alafenbrand: Genvoya | 86 | — |
| Abacavir/Dolutegravir/Lamivudibrand: Triumeq | 70 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2008-01-11
Frequently asked questions
- What is Stephen Klotz's NPI number?
- Stephen Klotz's National Provider Identifier (NPI) is 1801995196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Klotz's specialty?
- Stephen Klotz is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Klotz located?
- Stephen Klotz's practice location on file with NPPES is 1501 N Campbell Ave, Tucson, AZ 85724-0001.
- What is Stephen Klotz's phone number?
- The practice phone number listed in the NPPES registry for Stephen Klotz is (520) 694-8888.
- Does Stephen Klotz accept Medicare?
- Stephen Klotz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Klotz's NPI active?
- Yes — Stephen Klotz's NPI (1801995196) is active in the NPPES registry as of the last update on 2008-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.